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Internal Medicine

Zeinab Mohammadi, DO

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

Summary

Dr. Zeinab Mohammadi, DO is an internal medicine doctor at 1500 E Medical Ctr, Suite 0331, Ann Arbor, MI 48109. Phone: (734) 936-5738. Accepts Medicare assignment. In 2024, Zeinab Mohammadi had 227 Original Medicare patients and 581 services. NPI 1689051906. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1500 E Medical Ctr, Suite 0331, Ann Arbor, MI 48109 · Directions (11 more locations)
  • Phone: (734) 936‑5738
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chelsea Hospital, University of Michigan Health System
  • Group practice: Regents of the University of Michigan
  • Medical school: University Of North Texas Hsc, College Of Osteopathic Med · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Zeinab Mohammadi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zeinab Mohammadi accept Medicare assignment?
Yes. Medicare's clinician data says Zeinab Mohammadi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Zeinab Mohammadi see?
In 2024, CMS data shows 227 Original Medicare patients and 581 services for Zeinab Mohammadi. This counts Original Medicare only and measures volume, not quality.
What is Zeinab Mohammadi's NPI number?
1689051906. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Zeinab Mohammadi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients227
Services billed to Medicare581
Different services or procedures11
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)214 services
  2. Hospital discharge day management, more than 30 minutes (99239)132 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)94 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)63 services
  5. Hospital discharge day management, 30 minutes or less (99238)43 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis67%
  • Ischemic heart disease57%
  • Diabetes48%
  • Atrial fibrillation41%

Hospitals where Zeinab Mohammadi works

Medicare's Facility Affiliation Data lists Zeinab Mohammadi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Zeinab Mohammadi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.

Group practices

Medicare enrollment lists Zeinab Mohammadi as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of Michigan3,346 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 →

Other clinicians in Regents of the University of Michigan

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689051906
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians