HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / NY

CASSANDRA WILLIAMS, MD

INTERNAL MEDICINE

Graduated: 2005

NPI: 1558546820

Practice Locations (2)

MAINE MEDICAL CONSULTANTS PC

BUFFALO, NY 14209

2075188869

COGENT MEDICAL CARE PC

565 ABBOTT RD, RM 8 632

BUFFALO, NY 142202039

7168282434

Source: CMS National Downloadable File, September 2026.