Current Resident Bios


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Hannah Brooks, MD (PGY1)

Hannah was born and raised in Brooklyn, NY. She graduated from Vassar College with her bachelors degree in Psychology and her certification in Elementary Education. She taught Kindergarten in East New York, Brooklyn for five years while getting her Masters in Special Education from CUNY Hunter College. While remaining committed to community and family health and education, she decided to return to school full time to complete a post-baccalaureate program to pursue a medical career as a means of achieving these goals. She received her MD from the Albert Einstein College of Medicine and is thrilled to be a part of the Family Medicine family here at Columbia, where education the health and wellness of vulnerable populations are prioritized.


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David J. Killeen, MD (PGY1)

David was born and raised in Alexandria, Virginia. He graduated from James Madison University with a Bachelor of Science in Biology and a Bachelor of Arts in Spanish. His love for medicine was sparked during college volunteering with the Harrisonburg Rescue Squad as an EMT. While studying Spanish, David was able to study abroad in Costa Rica and Salamanca, Spain. He continued his education at the Universidad de Alcala de Henares in Madrid, Spain where he obtained a Master’s Degree in Bilingual and Multicultural Education. David shifted his focus back to medicine and worked at a Federally Qualified Health Center in his hometown. As quality improvement assistant he developed workflow and outreach to increase cancer screening rates. It was during that time when he fell in the love with family medicine. David applied and was accepted to be part of the fmSTAT program at Virginia Commonwealth University, which was designed for students who were interested and committed to Family Medicine. During medical school, David pursued many passions including healthcare policy; interning under the CMO of Medicaid Services, rotating in the Madrid public health system and a Centro de Primer Nivel in the Dominican Republic and as a visiting scholar at the Robert Graham Center in Washington D.C. David wants to be part of healthcare system transformation and that begins with strong primary care at the center of the community.

Columbia’s residency program is an ideal fit for David, where he can combine his many interests including community health, integrative medicine, and reproductive healthcare, all while learning how to treat most aliments and provide comprehensive health care for people of all ages in a bilingual setting.


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Adam S. Lustig, DO (PGY1)

Adam was born in Manhattan and raised primarily in Woodbury, New York. He attended Tulane University in New Orleans where he earned his B.S in Neuroscience. It was in New Orleans where Adam volunteered and worked within medical and educational settings of marginalized communities. He then returned home to study medicine at Touro College of Osteopathic Medicine in Harlem, NYC where he, as a medical student and volunteer, continued to examine the relationship between socioeconomic status and access to quality healthcare .

Adam at a young age experienced the benefit and versatility of integrative and hands-on medical approaches. This motivated him to become the passionate osteopathic physician he is today, incorporating osteopathic manipulative medicine into patient care whenever possible. Adam believes strongly in the value and power of integrative, nutritional, preventative, and personalized care, particularly in underserved communities.

Adam is beyond excited to have the opportunity to treat patients and their families at Farrell Community Health Center.

In his free time, Adam loves to cook healthy meals, explore NYC, and rejuvenate in nature.


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Silvina A. Om, MD (PGY1)

Silvina was born and raised in Buenos Aires, Argentina where she first developed a passion for advocating for vulnerable and medically underserved populations before moving to Los Angeles. She studied Psychology and Molecular Biology at Johns Hopkins University in Baltimore and Medicine at San Juan Bautista in Puerto Rico. Silvina is invested in providing an integrative and central approach to patient care that allows for the effectively impactful care that all patients deserve and need. She enjoys full-spectrum family medicine and values being able to foster meaningful lifelong relationships with her patients. Patients place their full trust in their family physicians and Silvina looks forward to honoring this privilege by being their most enthusiastic advocate. In her free time, she enjoys spending time with family, eating international cuisines, dancing salsa, and enjoying as many diverse experiences as she can.


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Sarah N. Phillips (PGY1)

Sarah, a Connecticut native, fell in love with medicine after her summer working at Partners in Health in Boston. She returned to Colorado College and designed her own major in Global Health and founded the CC chapter of GlobeMed, an organization that partners universities with grassroots organizations addressing health disparities around the world. After college, she worked for a non-profit in Peru’s Sacred Valley for a year, training female community health workers, “promotoras de salud” to be the first lines of care in rural mountainous communities. It became clear: the promotoras were only as useful as their skillset was broad. Especially in resource-poor settings, the most valuable caregivers are competent across a range of health needs. These women and these communities inspired her to gain that breadth in her medical education. As a medical student in Camden, NJ Sarah further cultivated her interests in community focused medicine. Sarah is thrilled to be a part of the NYP/ Columbia Family Medicine Community where she can continue to pursue her interests in global health, vulnerable populations and women’s health.


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Jenny Tobat (PGY1)


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Connor L. Carmichael, MD (PGY2)

 Connor was born and raised in Lebanon, Pennsylvania, a small city about an hour and a half west of Philadelphia. He is the third of five children to a family doctor from New York and an artist from Northern Ireland. After graduating from public high school, he earned a BA in Anthropology at the University of Notre Dame.

While at Notre Dame, he discovered a passion for the Spanish language, and spent a semester abroad in Puebla, Mexico as well as a summer in Sevilla, Spain. He also began to develop an understanding of social justice and spent a summer volunteering with a refugee resettlement program in the greater Harrisburg, PA area.

After graduating from college, Connor spent a year working as a volunteer at Nuestros Pequeños Hermanos Mexico, a home for orphaned and disadvantaged children. While there, he was an assistant administrator in the clinic, where he was responsible for a series of health education lectures for students, as well as charting growth of the 500 children and a program for children who struggled with bedwetting.

After his year in Mexico, Connor matriculated to Penn State College of Medicine with an interest in primary care. There, he was a Global Health Scholar and spent ten weeks in Ecuador working on a community health project focused on nutrition and shadowing in several health care settings to learn about the public health system of the country. He was also involved in the Latino Medical Students Association, and helped establish an interpreter training program for multilingual medical students. Connor confirmed his passion for family medicine through his clinical experiences, and seeing the important role that family doctors play in coordinating care and continuity with their patients.

Connor is thrilled to be a part of Columbia’s residency program, where he will be able to continue to work with underserved Spanish-speaking populations. His clinical interests include language-concordant care, adolescent medicine, and palliative care. Outside of medicine, he enjoys playing volleyball, exploring New York, trying new foods, and spending time with friends and family.


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Chava L. Cogan, MD (PGY2)


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Liana H. Greer, MD (PGY2)

 

 

 


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Bradley Milam, MD (PGY2)

Bradley was born and raised in West Virginia; he is the child of two public school teachers and the grandchild of coal miners. He graduated from a public high school there and was educated at Yale.

While in college, Bradley discovered his passion for history as well as his passion for advocacy. As an openly gay man who remained in the closet in high school, he wanted to make a difference for those who couldn’t have a voice for themselves. He began lobbying in his free time for an employment and housing non-discrimination act that would have protected LGBTQ residents from workplace termination or housing eviction in West Virginia. For his senior essay, he wrote a history of gay and lesbian life in West Virginia, which won Yale’s LGBT Studies Department Prize that year.

After earning a Bachelor of Arts degree in history from Yale and working as a legal assistant at a small criminal defense law firm in New York City, Bradley returned to West Virginia to become the first executive director of the statewide LGBT advocacy organization there. He organized students, teachers, parents, and concerned community members around a more comprehensive anti-bullying policy. Their advocacy efforts led to the West Virginia Board of Education’s passage of Policy 4373, an anti-bullying policy that covers every public school student in the state of West Virginia. It became West Virginia’s first statewide policy or law to enumerate sexual orientation and gender identity or expression as protected classes. Also during his time as executive director, Bradley toured the state and heard from so many teens who had been bullied as he had been, workers who had been fired and residents evicted for being trans or gay, and many who felt they had no one to talk to. He saw power in being a family physician trying to heal and alleviate suffering on the front lines, and he saw what difference a compassionate doctor could be to a community grappling with discrimination, intolerance, or poverty. He decided to leave his job and become a physician. He completed the premedical post-baccalaureate program at Goucher College in Baltimore, Maryland, and graduated from the West Virginia University School of Medicine.

Bradley is thrilled to be a resident physician in family medicine at Columbia. His special interests include care for the underserved, LGBTQ health, and reproductive health.


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Luke Powell, MD (PGY2)

Luke Powell was born in Jamaica and spent the first several years of his life not far from the beach. He moved to the United States at age 8 and grew up in Lancaster County, PA. He studied Biotechnology at Penn State and Medicine at Georgetown University. During his time at Penn State, he developed an interest in teaching. He expanded his interest during medical school to include Medical Education as well as getting involved with Community Health. He is excited to explore New York City and to serve his new community.


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Jeanette S. Qablawi, MD (PGY2)

Jeanette was born in Evanston IL and raised in Cocoa Beach Florida. She got her B.S. at The University of South Florida, and also minored in Leadership. It was during her undergraduate education that the seeds of advocacy were sowed. She volunteered at the Center for Leadership and Civic Engagement and worked with underprivileged youth. She also was very involved with AMSA in undergrad and did a month long internship at the D.C. headquarters that involved lobbying on the hill for policy change. After graduation she took a year off and worked at a catering company and as a medical scribe. The year off gave her time to reflect on what she really wanted to do. She knew she wanted to become a physician who would always be the voice for her patients and actively strive to better our healthcare system.

She attended Morsani College of Medicine and was a member of the SELECT program which prepares students to be physician leaders who can accelerate change in health care. While in medical school, Jeanette became very interested in global health and went on her first medical mission trip to the Dominican Republic. She loved her experience so much that the next year she helped coordinate the trip and went again. During her fourth year she spent a month in India on another international rotation. She found this one extremely interesting because not only did it focus on clinics but it was also a learning experience in regards to health systems. The NGO, India Institute for Mother and Child, also had branches in economics, woman’s peace council, and education.

Another passion Jeanette discovered in medical school was her interest in preventative care and nutrition and this led her to discover the branch of Integrative medicine. Jeanette chose family medicine because she felt it incorporated her desires to practice holistic medicine with a focus on lifestyle, nutrition, and mental health. She was also drawn to the long lasting connections you make with your patients.

Jeanette is so excited to be a part of Columbia’s Residency program, she loved this program for its emphasis on quality improvement projects, it’s patient population, and it’s integrative medicine track. Outside of medicine you will find Jeanette in nature, posted up with paint brushes and acrylics, or practicing yoga. She also loves to run, and is a huge foodie!


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Sujana Bhattacharyya, DO (PGY3)

Raised in the beautiful San Francisco Bay Area, Sujana has long cared
about vulnerable people, social justice, and healing. A daughter ofBengali immigrants, she was taught to be self-reflective and inquisitive about the world around her. She embraced these traits as an undergraduate at Stanford University, where she double majored in Biological Sciences and History. At Stanford, her interests in women's issues, community health, and integrative medicine took root, as did
many important lifelong friendships.

Sujana spent some years working, exploring, and growing prior to medical school. At an educational start-up in the Silicon Valley, she helped run a small business while guiding adolescents and their families through personal and academic challenges. She also worked at
Planned Parenthood in San Francisco, which gave her insight into how policy impacts women’s health. She later did community health research at UCSF, predominantly studies that examined homelessness and HIV. These experiences, along with volunteer work at an AIDS hospice,
allowed her understanding and love for vulnerable populations to blossom.

Recognizing epidemiology as an important tool in medicine, she moved to New Jersey to pursue a Masters in Biomedical Sciences and later an MPH at Rutgers University. During this time, she continued community health research in urban prenatal care and also trained in Ayurvedic medicine and yoga, striving to incorporate these healing modalities.

In medical school at Rowan SOM (formerly UMDNJ SOM), Sujana further cultivated and integrated her passions. Among her different leadership roles, being President of her school's AMWA chapter was her most significant; she teamed with others to initiate events that
facilitated women’s health advocacy and to support women in medicine. She taught yoga to her peers and at a women’s rehabilitation facility to promote wellness and volunteerism. She felt honored to receive several awards for her leadership and service, including
induction into the Gold Humanism Society.

As a Family Medicine physician-in-training, Sujana believes in the value of providing humanistic, holistic primary care by truly listening to the needs of her patients and community. Clinically and academically, her interests continue to lie in women's health, nutrition and integrative medicine, palliative care, communityresearch, and humanism in medicine.

At Columbia-NYP, Sujana is delighted to be part of a socially-conscious community of compassionate physicians, especially at a strong academic institution amidst vibrant New York City. In her spare time, she enjoys teaching yoga, working out, dancing, writing, traveling, exploring cities, watching shows like Law and Order SVU, serving the community, reflecting on bettering herself and the world around her, and creating meaningful connections - accompanied by hearty laughs and delicious chai - with friends and family.


Allie (Alexandra) Brown, MD (PGY3)

Alexandra Brown was born and raised in New York City. She graduated from Johns Hopkins University with Bachelor degrees in Biology and in French and completed a Master's of Arts in French Cultural Studies at Columbia University's Reid Hall campus in Paris, where she wrote her thesis on the role of rap in French culture. Prior to attending medical school at the University of Vermont, she worked for the Global Polio Eradication Initiative at the World Health Organization, in Switzerland.

She has always been focused on working with medically underserved populations and has worked at Planned Parenthood of Baltimore, as a counselor for surgical patients, for AmeriCorps in Baton Rouge as a Breast and Cervical Cancer Outreach coordinator, and now is thrilled to work at Farrell Community Health Center.

She is fluent in French and learning Spanish, in order to better serve her patients. She enjoys full-spectrum family medicine, treating patients from birth through delivery and end-of-life care. 


Rebecca Halvorsen, MD (PGY3)

Rebecca was born in Dunfermline, Scotland and raised in Phoenixville, Pennsylvania. When she matriculated at The College of William and Mary, she had not yet uncovered the path that would lead her to medicine. She spent a semester abroad in Kenya and Tanzania studying wildlife management and conservation. While there, she began to understand the complex relationship between culture, politics, conservation, and health care and her priorities shifted. After graduation, she returned to East Africa and spent eight months volunteering with underserved populations and studying public health in rural Kenya, where she presented her original research on the effect of community health workers to the local council and key stakeholders in the local health system.

As a medical student at Eastern Virginia Medical School, Rebecca was committed to serving her peers and her local community. Her enthusiasm for helping others succeed was apparent in her work as a writer for the school’s medical note taking service, as well as in the hand-drawn study guides she created for her classmates, which continue to be passed down to subsequent classes. Outside the classroom, Rebecca volunteered with HOPES, the EVMS student-run free clinic, working directly with uninsured patients as a student clinician, as well as analyzing and working to improve HOPES’ delivery of care through quality improvement projects.

Rebecca is excited to join the Columbia CFCM team and continue to pursue her interests in full spectrum family medicine, global health, and working with underserved populations. She is particularly excited about the opportunity to learn Spanish and get to know the Washington Heights and Inwood communities.

In her free time, Rebecca enjoys rock climbing, hiking, tasting new foods, and exploring her new home in NYC with her partner, who is a pediatrics resident at Montefiore.


Elizabeth Han, DO (PGY3)

As a child of international scholars, Elizabeth had already travelled to five continents and lived in two countries by the age of eight.  Her parents emphasized the virtue of serving their local community and further reaching out to underserved areas through volunteering.  Over the years, Elizabeth accompanied her parents on their service trips and grew up to identify as a global citizen. At the age of 13, after graduating from elementary school in Seoul, Korea, she decided to move on her own to Seattle.  With the support of her parents, she made a cross-continental move to live with a host family that they had found on the Internet. As a young immigrant in the U.S. living on her own, she began to cultivate her interests in global health, community medicine, and immigrant health through volunteering and participating in community service.

After graduating from the College of William and Mary, she worked as a professional dog trainer as well as a data coordinator for quality improvement projects at Brigham and Women’s hospital in Boston.  She continued to volunteer at shelters and taught at adult schools for immigrant adult students. These years of eclectic experiences along with the values her parents imparted from childhood ultimately led Elizabeth to her goal of pursuing family medicine with emphasis on public health and community medicine for the underserved. She is thrilled to join the family medicine program at Columbia University, where she will have the privilege to train with other dedicated and passionate residents and faculty.


Danielle Isenburg, DO (PGY3)

Danielle was born and raised in Northern New Jersey.  She received her B.S. in Neuroscience and minor in Geography from Bucknell University.  During her junior year, Danielle studied abroad which fostered a love of cultures and people’s stories.    Additionally, Danielle volunteered multiple times in a health clinic in Nueva Vida, Nicaragua, and it is here that her passion for community medicine and desire to be a family physician was born.

In 2013, Danielle returned to the Garden State and began medical school at Rowan University School of Osteopathic Medicine (formerly UMDNJ-SOM).  Here, Danielle had the privilege to provide free health care with the student-run Camden Community Health Center and serve as Executive Director.  During her third year, Danielle was inducted into the Gold Humanism Honor Society and was the recipient of the 2017 Leonard Tow Humanism in Medicine Award.  Additionally she received recognition for academic achievement and commitment to the community by being awarded the 2017 Outstanding Achievement in Family Medicine and the 2017 Community Service Award.

Danielle is honored to be training in family medicine and admires the empathy and solidarity of the family physicians she has had the privilege to learn from.  Danielle desires to practice medicine in an underserved, socioeconomically and ethnically diverse community.  She has a strong interest in integrative and preventative medicine as well as hospice and palliative care.  Danielle is thrilled to have matched at Columbia CFCM where the faculty and residents are truly the real deal. 

The COPC curriculum and emphasis on developing a deeper understanding of the Washington Heights community is what drew her in.  The opportunity to combine both an opposed and unopposed education model through training at The Allen, Morgan Stanley Children’s Hospital and New York Presbyterian/Columbia University Medical Center allows for a community hospital experience while having access to the resources of a large academic institution.  Lastly and most importantly, every person that she met from CFCM was genuine, passionate, and driven to be their best for the community they serve—this humbled and inspired Danielle, and makes her grateful to complete residency training at Columbia. 

In her free time, Danielle enjoys running and hiking, experimenting with new recipes, traveling to new cities and exploring coffee shops with her husband Ray.  She is thrilled to be living in Bergen County, NJ again close to family and friends.  Danielle tries to live by her favorite quote from Mother Teresa-- “It is not how much we do, but how much love we put in the doing.  It is not how much we give, but how much love is put in the giving.”  She hopes to carry this reminder with her through residency training at Columbia and her future career as a family physician. 


Molly (Mary) Warren, MD (PGY3)

Molly Warren was born and raised in the small town of Homer in Upstate, New York. It was in this small town that she began to appreciate the need for and impact primary care can have on communities, particularly through volunteering at her local community hospital. During her undergraduate time at Cornell University, Molly worked as a primary school teacher trainer in Rwanda, further exposing her to working in underserved communities. In the Ithaca area, Molly volunteered with local immigrant farmworkers by teaching ESL. She completed a degree in Human Biology, Health, and Society at Cornell with a minor in Global Health.

After college, Molly worked for two years at the National Institutes of Health conducting clinical research in diabetes and obesity. She went to medical school at Georgetown University with the goal to pursue family medicine and became intimately involved in the Washington, D.C. community. Molly worked as a coordinator for the HOYA Clinic, a student-run free clinic located in the largest emergency family homeless shelter in D.C during her time at Georgetown.  As a National Health Service Corps scholarship recipient in medical school, Molly was devoted to pursuing primary care in underserved communities from the beginning. Her family medicine rotation on an Indian Health Service site in New Mexico solidified her interest in going into Family Medicine.

After spending a month in Ecuador during her fourth year of medical school, Molly is devoted to providing health care to Spanish-speaking communities in the United States. She is excited to begin her career in Family Medicine at NYP / Columbia Community and Family Medicine, where she can continue to pursue her interests in integrative medicine, advocacy, and policy work in New York City.