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

Obstetrics/Gynecology

Michael S. Mersol-Barg

Sees patients in Ann Arbor, MI · Michigan

Summary

Michael S. Mersol-Barg (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Ann Arbor, MI. NPI 1275545634. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael S. Mersol-Barg, 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

Obstetrics/GynecologyPrimary specialty
May acceptAccepts Medicare assignment
42Years since medical school (graduated 1984)
Ohio State University College Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Michael S. Mersol-Barg see patients?
Medicare's clinician data lists 1 practice location in Ann Arbor, MI. Call before your visit to confirm the address.
What is Michael S. Mersol-Barg's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty, and also Endocrinology.
Does Michael S. Mersol-Barg accept Medicare assignment?
Medicare's clinician data says Michael S. Mersol-Barg may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Michael S. Mersol-Barg's NPI number?
1275545634. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Michael S. Mersol-Barg is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Ann Arbor

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

All OB-GYNs in Ann Arbor →

Clinician information

Medical schoolOhio State University College Of Medicine
Graduation year1984
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1275545634
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians