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Anesthesiology

Meghan P. Horn, MD

Works at hospitals in Ann Arbor, MI · Michigan

Summary

Dr. Meghan P. Horn, MD is an anesthesiologist at 1500 E Medical Ctr Dr, Ann Arbor, MI 48109. Phone: (734) 936-4185. Accepts Medicare assignment. In 2024, Meghan P. Horn had 56 Original Medicare patients and 127 services. NPI 1003172065. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1500 E Medical Ctr Dr, Ann Arbor, MI 48109 · Directions (4 more locations)
  • Phone: (734) 936‑4185
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Michigan Health System
  • Group practice: Regents of the University of Michigan
  • Medical school: University Of Toledo College Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Meghan P. Horn, 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 Meghan P. Horn accept Medicare assignment?
Yes. Medicare's clinician data says Meghan P. Horn 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 Meghan P. Horn see?
In 2024, CMS data shows 56 Original Medicare patients and 127 services for Meghan P. Horn. This counts Original Medicare only and measures volume, not quality.
What is Meghan P. Horn's NPI number?
1003172065. 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 Meghan P. Horn, 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 patients56
Services billed to Medicare127
Different services or procedures26
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)17 services
  2. Ultrasonic guidance for blood vessel access (76937)12 services
  3. Anesthesia for insertion of permanent heart pacemaker (00530)11 services
  4. Anesthesia for x-ray or radiation therapy (01922)11 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%
  • Heart failure73%
  • Ischemic heart disease71%
  • Atrial fibrillation61%
  • Chronic kidney disease39%

Hospitals where Meghan P. Horn works

Medicare's Facility Affiliation Data lists Meghan P. Horn 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 Meghan P. Horn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Meghan P. Horn 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 Anesthesiology doctors in Michigan →

Other anesthesiologists in Ann Arbor

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

All anesthesiologists 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 Toledo College Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003172065
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