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

GRETCHEN K MATHEWSON

NURSE PRACTITIONER

Graduated: 2009

Offers telehealth

NPI: 1639494685

Practice Locations (2)

RIVERDALE MENTAL HEALTH ASSOCIATION INC

5676 RIVERDALE AVE, SUITE 202

BRONX, NY 104712100

7187965300

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

5 E 98TH ST 7TH FL, DOCTOR'S OFFICE NEUROLOGY

NEW YORK, NY 100296501

2122414572

Source: CMS National Downloadable File, September 2026.