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Dr. Harkisoon is board certified in family medicine. During the years since her own residency, she has dedicated much of her career to teaching physicians and caring for the underserved. She is joined by a team of core faculty, including a behavioral scientist, who are dedicated to making the Phelps Family Medicine Residency Program one of the nation’s leading family medicine residency programs.

Shantie Harkisoon, MD
Program Director

Dr. Shantie Harkisoon’s career in family medicine began as a provider at North Hudson Community Action Corporation, a not-for-profit organization based in northern New Jersey.  A year later, she became faculty and later assistant program director at the NYMC Family Medicine Residency Program in Jamaica, Queens. In 2006, Dr. Harkisoon joined the Wyckoff Heights Medical Center Family Medicine Residency Program in Brooklyn, New York, as the assistant program director where she was recruited to start a new program.

As the Program Director of the Phelps Family Medicine Residency, Dr. Harkisoon has been responsible for overseeing design and implementation.  She successfully led the program to its formal accreditation by the ACGME, the recruitment of residents and faculty, including over 100 volunteer physicians, the acquisition of over 5 million dollars in grants and private donations, the building of the residency office, the design of the new teaching family medical center and most recently, the successful launching of the program’s first graduates.

Dr. Harkisoon earned her medical degree at the University of Kentucky College of Medicine, she completed residency at the University of Medicine and Dentistry of New Jersey, a faculty development fellowship at the Institute for Urban Family Health in Manhattan and a Program Director Development Fellowship with the Association of Family Medicine Residency Directors. She is a member of the Society of Teachers of Family Medicine and Fellow of the American Academy of Family Physicians.  She lives with her husband and two daughters in Briarcliff Manor, NY.

Kimberly Andron, LCSW-R, MSW
Director of Behavioral Medicine

Ms. Kimberly Andron, Director of Behavioral Medicine, was appointed Assistant Professor of Family and Community Medicine at New York Medical College in 2009.  Ms. Andron has a degree in Child Development, earned an accelerated Master’s Degree from New York University and an advanced Post Graduate Certificate in Family Therapy from The Ackerman Institute in New York City.

In addition to her clinical credentials, Ms. Andron is a licensed teacher with over 20 years of experience ranging from young children with varied chronic and acute special needs to field instruction for graduate programs of Fordham University, New York University, Hunter College, Columbia University, Undergraduate Medical Education and Longitudinal Post Graduate Medical Education Training.  Additionally, she continues to teach Family and Community Medicine at New York Medical College. Prior to her current position, Ms. Andron has directed the behavioral medicine curriculum for two other residencies; managed a community based prevention program for St. Luke’s – Roosevelt Hospital, collaborated within the outpatient neuromuscular pediatric clinics of NYU’s Hospital for Joint Disease, and worked within the Trauma Consortium of Westchester treating children and families.  Ms. Andron maintains a private practice in NYC where she practices what she teaches; assisting individuals, couples, and families navigating addiction, trauma, life cycle transitions, and/or adaptation to medical/mental illness.

Ms. Andron enjoys long distance cycling, hiking, travel, water sports, puttering the city, and spending time with family and friends.

London Muse, MD
Medical Director

Dr. London Muse originally from Des Moines, Iowa, completed her undergraduate degree at the University of Notre Dame in Indiana in 2008, her medical education at New York Medical College in Valhalla, NY in 2012, and her Family Medicine residency training at Phelps Family Medicine Residency Program in 2015.  She was one of the Chief Residents of the first graduating class from this residency program and has long had a passion in teaching. She was a two time recipient of the Society of Teachers of Family Medicine Resident Teacher Award during her residency.  After learning Spanish during her residency and experiencing the exceptional care of the underserved in our patient centered medical home of Open Door Family Medical Centers, she elected to join the practice as a full time faculty physician in August 2015.  She now resides in Ossining, NY with a lovely view of the Hudson River as her back yard!

Mary Rose Puthiyamadam, MD

Dr. Mary Rose Puthiyamadam earned her medical degree from the State University of New York at Buffalo after earning her BS in Health Sciences and a BA in Child Development from the same institution.  She completed her residency at the Penn State Hershey Medical Center.  She has worked internationally in Africa and India and demonstrates commitment to serve the underserved.

Samantha Rai, MD

Dr. Samantha Rai earned her undergraduate degree from Brown University and her medical degree from Tufts University School of Medicine. She completed her residency training and served as a chief resident at the Santa Rosa Family Medicine Residency Program, an affiliate of the University of California, San Francisco. She worked at a community health center in Northern California and taught at the Santa Rosa residency program before returning to New York. In 2005, she joined the Open Door Family Medical Center, seeing patients at the Mount Kisco site and later serving as the Medical Director for Clinical Quality for the entire organization as well. Committed to the diverse and underserved patient population she cares for, Dr. Rai believes strongly in the importance of the doctor-patient relationship and in the ability of family physicians to provide high quality, affordable care that is based on up-to-date clinical evidence and guidelines. Inspired to share her passion for family medicine, Dr. Rai joined the Phelps Family Medicine Residency Program faculty in 2014. She lives in Tarrytown, NY with her husband (who is also a family physician) and two daughters.

Batel Isenstein, MD

Dr. Batel Isenstein is following her desire for teaching and community medicine by joining the Phelps Family Medicine Residency Program as faculty. She is excited to work with residents and continue to serve the wonderful patient population!

Rebecca McAteer, MD

Dr. McAteer is a graduate of the College of William and Mary, and received her doctorate from New York Medical College (MD). She completed residency training in family medicine at Lancaster General Hospital in Pennsylvania with an area of concentration in palliative care/ hospice. She went on to do a faculty development fellowship at Georgetown University, where she focused on bioethics and medical humanities. In addition to working for several years as an attending hospitalist, Dr. McAteer also served as a full-spectrum family physician at Tansen Mission Hospital in rural Nepal from 2013-15, before accepting her present faculty position with the Phelps Family Medicine Residency Program.

As a family physician, Dr. McAteer is committed to providing excellent, compassionate care to underserved patient populations in our local Westchester community. She is also involved in global health initiatives through the Family Medicine Education Consortium to extend that quality of care to vulnerable populations in the developing world. Dr. McAteer is passionate about cultivating interest in the vocation of medicine among students and residents, as well as fostering resilience and reflective practice through the use of the arts and literature alongside colleagues and staff.

Sara Paul, MD
Faculty & Coordinator of Women's Health Education

Dr. Sara Paul is originally from Phoenix, Arizona and completed her undergraduate degree at the University of California, San Diego. She lived in England for one year prior to attending medical school at Ross University in Dominica, West Indies.

Dr. Paul is dedicated to serving the underserved and has volunteered on numerous community outreach programs during her clinical rotations, in addition to having an active involvement in Global Health initiatives. She has attended multiple international medical trips and worked alongside Dr. Rebecca McAteer in establishing the program’s Global Health rotation in the Dominican Republic. She has always possessed a keen passion and special interest in Obstetrics and Woman’s Health, and completed a Fellowship in Obstetrics at Lincoln Medical and Mental Health Center in the Bronx, NY. In addition to being the Women’s Health Coordinator for our program, she is the lead coordinator for the Northwell Department of Family Medicine Women’s Health Track for the Northwell Family Medicine Residency Programs. She is currently working on becoming an HIV specialist to provide care for those in need at Sleepy Hollow Open Door.

An alumni of Phelps Family Medicine Residency Program, Dr. Paul graduated with our first class and served as one of the program’s first chief residents. She had such an exceptional experience as a resident at Phelps that she decided to return to join our faculty after graduating fellowship.

Cheryl Aguilar
Training Program Administrator

Ms. Cheryl Aguilar began her career upon successful completion of her studies in business at the Berkeley Business School in White Plains, NY.  Her first position was as a receptionist for an english confection importer.  After only 2 years on the job, she was promoted to the position of customer service representative where she enjoyed interacting with customers and assisting whenever needed.  Ms. Aguilar held the title of lead customer service representative for the department for the next 10 years.  After 10 years of service, she was promoted to the position of logistics coordinator where she continued to increase her skill set on many different aspects of business. She remained with the company for a total of 15 years at which point she took a “break” to raise her family.  Ms. Aguilar gradually returned to the work force as a customer service representative for the world’s leading cutlery manufacturer.  After a few years, she was promoted to executive assistant for both the CEO and the president and remained in that position for five years.  Ms. Aguilar joined our program in January 2012 as our administrative assistant and was promoted to office coordinator in June 2017 and to Training Program Administrator in April 2018.

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