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Concierge
Internal Medicine

Weill Cornell Medicine Primary Care

Quick Facts

Practice TypeConcierge
DoctorsGregory Mark McWilliams M.D., Internal Medicine

About

At Weill Cornell Medicine Primary Care, Dr. Gregory Mark McWilliams delivers concierge internal medicine care on the Upper East Side of Manhattan. He trained at two of the country's most respected institutions and brings that depth of preparation to his adult primary care practice.

The practice operates through the Concierge Choice Program, a national concierge medicine support organization with roots going back to 2005. Members receive an extended annual exam with supplementary testing tailored to their needs. A registered dietitian provides a yearly nutritional consultation. Dr. McWilliams shares his private cell phone number for urgent after-hours contact. A dedicated Concierge Coordinator helps members book appointments, navigate paperwork, and get questions answered. When members travel, a national network of concierge physicians provides coverage.

Details

Address

215 East 85th Street, New York, NY 10028

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Frequently Asked Questions

Membership through the Concierge Choice Program includes an extended annual exam with supplementary testing tailored to your health needs. Members also receive an annual nutritional consultation with a registered dietitian and direct access to Dr. McWilliams via his private cell phone for urgent after-hours communication. A dedicated Concierge Coordinator handles appointment booking, paperwork, and general questions.

Members receive Dr. McWilliams's private cell phone number for urgent after-hours contact. This direct line provides peace of mind between scheduled appointments.

Yes. Dr. McWilliams provides personalized health advocacy and coordinates directly with specialists when patients need referrals or ongoing specialist care. He works to keep care connected and well-managed across providers.

Dr. McWilliams stays connected with hospital physicians if a member requires an inpatient admission. This coordination helps ensure continuity between your primary care and hospital-based care teams.

Yes. Members gain access to a national network of concierge physicians when they travel away from home. This network ensures you have access to quality primary care wherever you are.

The Concierge Choice Program (CCP) is a national concierge medicine support organization based in Rockville Centre, New York. CCP has consulted with and supported hundreds of practices across the country since 2005. Weill Cornell Medicine Primary Care participates in this program to deliver enhanced benefits to its members.

Weill Cornell Medicine Primary Care focuses on adult patients. Dr. McWilliams specializes in internal medicine and primary care for adults.

Yes. Each year, a registered dietitian meets with members as part of the annual nutritional consultation included in the Concierge Choice Program. This consultation supports overall health optimization alongside primary care.

Practice last updated April 11, 2026