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

Pathology

Heather I. Chen-Yost, MD

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Heather I. Chen-Yost, MD (Pathology) is listed by Medicare at 1 hospital in Ann Arbor, MI. NPI 1255824744. 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 Heather I. Chen-Yost, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Western Michigan Un Homer Stryker School Of MedMedical school
FemaleGender (as listed)
Regents of the University of MichiganGroup practice

Quick answers

Which hospitals does Heather I. Chen-Yost work at?
Medicare's official clinician data lists Heather I. Chen-Yost at 1 hospital: University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Heather I. Chen-Yost see patients?
Medicare's clinician data lists 2 practice locations, including Ann Arbor, MI. Call before your visit to confirm the address.
What is Heather I. Chen-Yost's specialty?
Medicare lists Pathology as the primary specialty.
Does Heather I. Chen-Yost accept Medicare assignment?
Yes. Medicare's clinician data says Heather I. Chen-Yost 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 the phone number for Heather I. Chen-Yost?
(734) 936-4000, as listed in official Medicare / NPI Registry data.
What is Heather I. Chen-Yost's NPI number?
1255824744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Heather I. Chen-Yost works

Medicare's Facility Affiliation Data lists Heather I. Chen-Yost 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 Heather I. Chen-Yost is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Heather I. Chen-Yost as a member of this group (CMS data updated 2026-10-02).

  • Regents of the University of Michigan3,346 clinicians in the group

Specialties

Find other Pathology doctors in Michigan →

Other pathologists in Ann Arbor

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

All pathologists in Ann Arbor →

Clinician information

CredentialMD
Medical schoolWestern Michigan Un Homer Stryker School Of Med
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255824744
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