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Renita Butler, MD, is a board-certified internal medicine physician at Quality Healthcare NY, Primary Care Division, in Fishkill and Poughkeepsie , New York. She believes the provider-patient relationship should be about teamwork and that trust is essential in today’s medicine.

Dr. Butler has had a fascination with science, math, and helping others since elementary school. Her parents bought her a play doctor’s kit, and she would check family members' reflexes with a play reflex hammer and try to listen to their hearts with a play stethoscope. 

As she grew up, Dr. Butler participated in health fairs, listened to other career health professionals from elementary to high school, and shadowed some doctors in their offices during summers. Her pursuit of becoming an internal medicine physician has been lifelong.

For her undergraduate education, Dr. Butler attended Emory University, where she earned a Bachelor of Science in Biology. From there, she went to the University of South Alabama Medical Center for her Doctor of Internal Medicine and completed her residency at Meharry Medical College. 

Internal medicine follows a patient’s adult lifespan. Dr. Butler chose this specialty because she wants to provide lifelong care for individuals. She connects with patients by actually listening instead of just hearing. She works with each individual to create the best care for their condition and unique needs. 

Outside of work, Dr. Butler is very passionate about music. She even played classical piano for years. 

Dr. Hotchandani completed his residency in internal medicine at Rutgers Robert Wood Johnson Medical School in New Jersey. He holds a doctorate degree of medicine from SUNY Downstate College of Medicine in Brooklyn.

Outside of the office, Dr. Hotchandani enjoys going on walks with his wife and dogs, hiking, tennis and basketball. He is also passionate about environmental science, particularly climate change.

Dr. Rakhee Ippili is an internist at Northern Medical Group in Poughkeepsie and Fishkill, NY. She also offers virtual consultations to patients. She treats common illnesses, manages chronic diseases, provides first aid for minor injuries, and conducts preventive check-ups.

Dr. Ippili understands patients' conditions and prepares individualized treatment plans during consultations. In addition to writing prescriptions, she offers lifestyle and diet counseling for holistic recovery. She also answers questions and schedules follow-up appointments to maximize patient satisfaction and outcomes.

Dr. Ippili earned her medical degree from Andhra Medical College and completed her internal medicine residency at BronxCare Health System. She is certified by the American Board of Internal Medicine.

Dr. Hotchandani completed his residency in internal medicine at Rutgers Robert Wood Johnson Medical School in New Jersey. He holds a doctorate degree of medicine from SUNY Downstate College of Medicine in Brooklyn.

Outside of the office, Dr. Hotchandani enjoys going on walks with his wife and dogs, hiking, tennis and basketball. He is also passionate about environmental science, particularly climate change.

Gautam Ahluwalia, MD is an internal medicine and primary care physician with over 25 years of experience delivering holistic, evidence-based care focused on optimizing patient outcomes and building long-term, patient-centered relationships. He earned his medical degree and completed his internal medicine residency at the All India Institute of Medical Sciences (AIIMS), New Delhi—India’s top-ranked medical institution.

Dr. Ahluwalia previously served as Professor and Chief of Internal Medicine at a leading tertiary care medical school in North India, where he mentored thousands of medical students and residents and held senior leadership roles ensuring excellence in clinical care, education, and accreditation. An award-winning clinician, educator, and published author, he is recognized for his ethical, patient-first approach to care.

Dr. Ahluwalia now provides personalized primary care at Stoneleigh Medical Group’s Yorktown Heights and Brewster offices, where he is accepting new patients.

Gautam Ahluwalia, MD is an internal medicine and primary care physician with over 25 years of experience delivering holistic, evidence-based care focused on optimizing patient outcomes and building long-term, patient-centered relationships. He earned his medical degree and completed his internal medicine residency at the All India Institute of Medical Sciences (AIIMS), New Delhi—India’s top-ranked medical institution.

Dr. Ahluwalia previously served as Professor and Chief of Internal Medicine at a leading tertiary care medical school in North India, where he mentored thousands of medical students and residents and held senior leadership roles ensuring excellence in clinical care, education, and accreditation. An award-winning clinician, educator, and published author, he is recognized for his ethical, patient-first approach to care.

Dr. Ahluwalia now provides personalized primary care at Stoneleigh Medical Group’s Yorktown Heights and Brewster offices, where he is accepting new patients.

Deborah Seymour APRN began her medical career in London, England, where she graduated from the Royal Free School of Nursing in 1993. She is a board-certified acute adult gerontology specialist with over 30 years' experience in caring for the older adult. She attended Sacred Heart University where she obtained her Bachelor's degree, and practiced in critical care at UCONN Medical Center, St Francis Hospital in the cardiac ICU and the Emergency Room. Deborah did her graduate studies at the University of Connecticut. Following graduation, she practiced in the Cardiac ICU at Yale New Haven Hospital. She was a clinical faculty member at Yale University School of Nursing. Deborah has practiced at many of Connecticut’s hospitals, including UCONN Medical Center, St Francis Hospital, Yale New Haven Hospital, Backus Hospital, St Mary’s Hospital, Middlesex Hospital and Hospital of Central Connecticut. She now practices in internal medicine and specializes in chronic disease management.

Byoung Yang, MD, is the experienced physician and wound care specialist at BY Wound Care Internal Medicine in White Plains, New York, where he provides cutting-edge medicine with old-school care. Dr. Yang understands how difficult it is for patients to make decisions about their health care, and spends the time necessary educating his patients so they can make the most informed decisions about their health and medical needs. 

After earning his medical degree at Chonbuk National University School of Medicine in Chonbuk, South Korea, where he graduated in the top 10% of his class, Dr. Yang completed his internship at the National Police Hospital in Seoul, South Korea. He then relocated to the United States to continue his residency training in Internal Medicine at Mt. Vernon Hospital, New York, while also receiving his Pathology residency training at New York Medical College. 

During his internal medicine residency, Dr. Yang was fortunate to train under renowned wound care specialist Jorge Beale, MD. He then completed his fellowship training in wound care and hyperbaric medicine at the esteemed Hospital of the University of Pennsylvania in Philadelphia. 

Dedicated to his profession and medical specialty, Dr. Yang is a frequent speaker at local and national wound care meetings. He was the second-place winner of the 2007 Undersea and Hyperbaric Medical Society President Award for research in stem cells in hyperbaric oxygen. 

Dr. Yang holds board certifications from the Undersea and Hyperbaric Medical Society and the American Board of Internal Medicine. He is an affiliated physician with White Plains Hospital.

Dr. Yang is a classical pianist and painter.

Dr. Mansourati is a board-certified internal medicine physician widely recognized for his compassionate, evidence-based, and patient-centered approach to care. He is deeply committed to building strong, lasting relationships with his patients—empowering them with knowledge and support to live healthier, more fulfilling lives. With a unique blend of clinical expertise, research experience, and holistic care philosophy, Dr. Mansourati delivers care that is both comprehensive and deeply personalized.

He earned his medical degree from the University of Kalamoon and went on to join Duke University as a Postdoctoral Researcher, where he studied cell biology and the cancer microenvironment. His passion for advancing medical science continued at the University of Southern California, where he contributed to research on innovative cancer therapeutics.

Dr. Mansourati completed his internal medicine residency at MedStar Health in Baltimore, gaining broad experience in managing complex medical conditions and delivering high-acuity urgent care. During this time, he also collaborated with Johns Hopkins University on cutting-edge research projects.

His dedication to advancing clinical care and research led to his selection for the competitive Hematology and Oncology fellowship at St. Joseph's University Medical Center. While he continues to train in this specialized field, Dr. Mansourati remains deeply connected to his roots in internal medicine and is proud to bring his diverse expertise to the patients of Greenwich Primary Clinic.

Outside of his medical career, Dr. Mansourati leads an active lifestyle and enjoys mountain biking, hiking, CrossFit, and playing basketball.

With his advanced training in primary care and urgent care, Josh Shajan, MD, is the go-to provider for patients and their families in and around Greenwich, Stamford and areas. He cares for patients at Greenwich Primary Care in the Cos Cob neighborhood of Greenwich, and serves as Medical Director of the practice. 

After attending Bergen Catholic High School, Dr. Shajan earned admission to an 8-year BS/MBA/MD program, completing his bachelor’s degree at Union College in Schenectady, New York, his Master of Business Administration through Union Graduate College, and then received his Doctor of Medicine from Albany Medical College in New York in 2012.

Dr. Shajan then completed his residency in internal medicine through the Yale University School of Medicine at Greenwich Hospital in Connecticut.

Since completing residency, Dr. Shajan has provided comprehensive primary and urgent care services continuously in Greenwich. Additionally, he has also previously served as the medical director for a network of New York City-based urgent cares, prior to joining a private practice in Greenwich in 2018. WIth the launch of Greenwich Primary Care, Dr. Shajan continues his tenure of providing high-quality care comprehensive primary and immediate care for numerous Greenwich and surrounding-area residents and their families.

When he’s not busy caring for patients, Dr. Shajan enjoys spending time with his wife Kavya, and their son at their home in Greenwich.

Melanie R. Weiner, PA-C, is a dedicated physician assistant committed to delivering top-notch, empathetic healthcare to her patients. With a wealth of experience serving diverse communities, Melanie currently practices at Greenwich Primary Care in Stamford, Connecticut. 

After earning her bachelor’s degree in allied health from the University of Connecticut in Storrs, Melanie pursued her passion for healthcare by obtaining her Master of Physician Assistant Studies (MPAS) from Pace University – Lenox Hill Hospital in New York, NY. During her tenure at Pace University, Melanie distinguished herself as a PA didactic student tutor and was honored with induction into the prestigious Pi Alpha – National Honor Society.

Driven by a desire to foster enduring connections with her patients, Melanie gravitated towards primary care. She believes in a patient-centric approach to medicine, emphasizing collaboration and support throughout every stage of life. Melanie's dedication to personalized care ensures that each patient receives a tailored treatment plan aimed at optimizing their overall well-being.

With Melanie, patients can expect compassionate care grounded in expertise and a genuine commitment to their health. Whether addressing acute concerns or providing ongoing preventive care, Melanie strives to make a meaningful difference in the lives of those she serves.