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 / PA

KEYING YAN, OD

OPTOMETRY

Medical school: STATE UNIVERSITY OF NEW YORK - STATE COLLEGE OPTOMETRY

Graduated: 2022

NPI: 1447924329

Practice Locations (2)

THE MILTON S HERSHEY MEDICAL CENTER PHYSICIANS GROUP

500 UNIVERSIDY DR

HERSHEY, PA 170332360

7175315638

SUSQUEHANNA PHYSICIAN SERVICES

1705 WARREN AVE, SUITE 303

WILLIAMSPORT, PA 177012665

5703268800

Source: CMS National Downloadable File, September 2026.