Clinicians affiliated with Bertrand Chaffee Hospital

Acute Care Hospitals · Voluntary non-profit - Private · 224 East Main Street, Springville, NY 14141 · Buffalo-Cheektowaga, NY · CCN 330111

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

88 clinicians affiliated with Bertrand Chaffee Hospital are in the 2024 Medicare Part B data (103 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Family Practice (17) · Physician Assistant (16) · Internal Medicine (11) · Nurse Practitioner (10) · Urology (5) · Certified Registered Nurse Anesthetist (CRNA) (4) · Orthopedic Surgery (4) · Hematology-Oncology (3) · Cardiology (2) · Emergency Medicine (2) · Gastroenterology (2) · Neurosurgery (2) · Obstetrics & Gynecology (2) · Diagnostic Radiology (1) · Endocrinology (1) · General Surgery (1) · Infectious Disease (1) · Nephrology (1) · Ophthalmology (1) · Pulmonary Disease (1) · Rheumatology (1)

Nephrology affiliated with Bertrand Chaffee Hospital, 2024

Alphabetical by last name; 1.

NameCity
James E Ryan, MDAmherst, NY

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built