Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

John Yang, MD

Works at hospitals in Rochester, NY · Boston, MA · New York, Massachusetts

Summary

John Yang, MD (Hospitalist) is listed by Medicare at 3 hospitals in Rochester, NY and Boston, MA. NPI 1639569882. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Yang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)
Highland Hospital of RochesterGroup practice

Quick answers

Which hospitals does John Yang work at?
Medicare's official clinician data lists John Yang at 3 hospitals: Highland Hospital, Massachusetts General Hospital and Strong Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Yang see patients?
Medicare's clinician data lists 1 practice location in Rochester, NY. Call before your visit to confirm the address.
What is John Yang's specialty?
Medicare lists Hospitalist as the primary specialty.
Does John Yang accept Medicare assignment?
Yes. Medicare's clinician data says John Yang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is John Yang's NPI number?
1639569882. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Yang works

Medicare's Facility Affiliation Data lists John Yang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John Yang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Yang as a member of this group (CMS data updated 2026-10-02).

  • Highland Hospital of Rochester411 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Rochester

Clinicians with the same Medicare primary specialty in Rochester, NY — not a recommendation.

All hospitalists in Rochester →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639569882
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians