
Our Physicians
Affiliated Physicians' board certified clinical team is dedicated to patient care. Their personal approach and clinical expertise embodies the mission and values of our organization.

Avram Nemetz
MD | Medical DirectorDr. Nemetz graduated from Cornell University, and earned his Medical Doctorate degree from the Albert Einstein College of Medicine.
Dr. Nemetz completed his residency in Internal Medicine at the Bronx Municipal Hospital Center (now Jacobi Medical Center), and prior to joining Affiliated Physicians was an emergency physician at St. Vincent’s Hospital. He has been an integral member of Affiliated Physicians since joining their staff in 1991 He is board certified in Internal Medicine.

Richard Hernandez
MDDr. Richard Hernandez has been with Affiliated Physicians since 2002. He graduated from New York University and received his Medical Doctorate degree from New Jersey Medical School.
Prior to joining Affiliated Physicians Dr. Hernandez worked as an emergency room physician at Lenox Hill Hospital where he held several teaching appointments responsible for training medical students and multispecialty residents and fellows.

Galit Sacajiu
MDDr. Sacajiu graduated from New York University’s College of Arts and Sciences, and then continued at the NYU School of Medicine.
She completed an Internal Medicine Residency at NYU/ Bellevue Hospital and Preventative Medicine training at the NYC Department of Health and the Columbia School of Public Health, where she also earned a Master’s in Public Health.

Jasbir Matharu
MDDr. Matharu graduated from Manchester University, England and trained in General Practice /Family Medicine working as a primary care specialist for the NHS for over 15 years qualifying with a Membership of the Royal College of General Practice (UK) and Boarded in Family Medicine (US).
In New York she was residency trained in Occupational and Environmental Medicine and General Preventive Medicine at Mount Sinai. Post-graduate qualifications include a Masters in Community Medicine, Diploma in Practical Dermatology and A Women’s Fellowship in Women’s Health with work experience for both the State in primary care and privately in dermatology.

Katherine R. Van Oss
MD, MSDr. Van Oss is a board-certified Public Health and General Preventive Medicine physician with a focus on Lifestyle Medicine.
She received her Doctor of Medicine degree from the Medical College of Wisconsin and completed residency training at New York-Presbyterian/Weill Cornell Medical Center where she also earned a Master's degree in Clinical and Translational Investigation. Prior to joining Affiliated Physicians, Dr. Van Oss held roles at New York-Presbyterian/Weill Cornell Medical Center as well as the NYC Department of Health and Mental Hygiene.

Lyne Geneste
DODr. Geneste graduated from Pennsylvania State University and earned her Medical Doctorate from Touro College of Osteopathic Medicine.
Dr. Geneste completed her residency in Family Medicine at East Liverpool City Hospital in Ohio. Dr. Geneste is an integral member of Affiliated Physicians since 2021 and is board certified in Family Medicine.