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Internal Medicine

Hongyan Yang, MD

Works at hospitals in Chelsea, MI · Ann Arbor, MI · Michigan

Summary

Hongyan Yang, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Chelsea, MI and Ann Arbor, MI. NPI 1780996199. 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 Hongyan 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
FemaleGender (as listed)
Iha Health Services CorporationGroup practice

Quick answers

Which hospitals does Hongyan Yang work at?
Medicare's official clinician data lists Hongyan Yang at 3 hospitals: Chelsea Hospital, Trinity Health Ann Arbor Hospital and University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hongyan Yang see patients?
Medicare's clinician data lists 1 practice location in Ann Arbor, MI. Call before your visit to confirm the address.
What is Hongyan Yang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Hongyan Yang accept Medicare assignment?
Yes. Medicare's clinician data says Hongyan 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.
Does Hongyan Yang offer telehealth?
Medicare's clinician data says Hongyan Yang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Hongyan Yang?
(734) 761-2581, as listed in official Medicare / NPI Registry data.
What is Hongyan Yang's NPI number?
1780996199. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hongyan Yang works

Medicare's Facility Affiliation Data lists Hongyan 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 Hongyan Yang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Iha Health Services Corporation1,168 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All internal medicine doctors in Ann Arbor →

Clinician information

CredentialMD
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780996199
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