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

MARIANNE E ST JOHN, NP

NURSE PRACTITIONER

Medical school: STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE

Graduated: 2011

NPI: 1053699041

Practice Locations (1)

8207 MAIN ST, SUITE 5

WILLIAMSVILLE, NY 142216060

7162454431

Source: CMS National Downloadable File, September 2026.