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Pathology

Paul W. Harms, MD

Works at hospitals in Owosso, MI · Midland, MI · Ann Arbor, MI · Michigan

Summary

Dr. Paul W. Harms, MD is a pathologist at 1500 E Medical Ctr Dr, Ann Arbor, MI 48109. Phone: (734) 936-4000. Accepts Medicare assignment. In 2024, Paul W. Harms had 656 Original Medicare patients and 1,814 services. NPI 1952550311. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Paul W. Harms, 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 Paul W. Harms accept Medicare assignment?
Yes. Medicare's clinician data says Paul W. Harms 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 Paul W. Harms see?
In 2024, CMS data shows 656 Original Medicare patients and 1,814 services for Paul W. Harms. This counts Original Medicare only and measures volume, not quality.
What is Paul W. Harms's NPI number?
1952550311. 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 Paul W. Harms, 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 patients656
Services billed to Medicare1,814
Different services or procedures15
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)610 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)486 services
  3. Special stained specimen slides to examine tissue, initial procedure (88342)223 services
  4. Surgical pathology consultation and report on referred slides prepared elsewhere (88321)187 services
  5. Special stained specimen slides to identify organisms including interpretation and report (88312)98 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 pressure71%
  • High cholesterol67%
  • Arthritis40%
  • Ischemic heart disease29%
  • Diabetes26%
  • Chronic kidney disease23%

Hospitals where Paul W. Harms works

Medicare's Facility Affiliation Data lists Paul W. Harms 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 Paul W. Harms is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Paul W. Harms 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 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 →

Other clinicians in Regents of the University of Michigan

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

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952550311
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