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Orthopedic Surgery

Jeffrey K. Anhalt, DO

Works at hospitals in Muskegon, MI · Michigan

Summary

Dr. Jeffrey K. Anhalt, DO is an orthopedic surgeon at 1400 Mercy Dr, Suite 100, Muskegon, MI 49444. Phone: (231) 733-1326. Accepts Medicare assignment. In 2024, Jeffrey K. Anhalt had 180 Original Medicare patients and 743 services. NPI 1912919630. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 1400 Mercy Dr, Suite 100, Muskegon, MI 49444 · Directions (2 more locations)
  • Phone: (231) 733‑1326
  • Medicare: Accepts Medicare assignment
  • Hospital: Trinity Health Muskegon Hospital
  • Group practice: Center for Physical Rehabilitation and Therapy LP (+2 more)
  • Medical school: graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jeffrey K. Anhalt, 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 Jeffrey K. Anhalt accept Medicare assignment?
Yes. Medicare's clinician data says Jeffrey K. Anhalt 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 Jeffrey K. Anhalt see?
In 2024, CMS data shows 180 Original Medicare patients and 743 services for Jeffrey K. Anhalt. This counts Original Medicare only and measures volume, not quality.
What is Jeffrey K. Anhalt's NPI number?
1912919630. 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 Jeffrey K. Anhalt, 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 patients180
Services billed to Medicare743
Different services or procedures102
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. X-ray of foot, 2 views (73620)122 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)99 services
  3. X-ray of ankle, 2 views (73600)98 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
  5. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)52 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 cholesterol73%
  • Arthritis71%
  • Depression36%
  • Diabetes35%
  • Chronic kidney disease32%

Hospitals where Jeffrey K. Anhalt works

Medicare's Facility Affiliation Data lists Jeffrey K. Anhalt 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 Jeffrey K. Anhalt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeffrey K. Anhalt as a member of these groups (CMS data updated October 2, 2026).

  • Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
  • Center for Physical Rehabilitation Inc357 clinicians in the group
  • Orthopaedic Associates of Muskegon PC116 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Michigan →

Other orthopedic surgeons in Muskegon

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

All orthopedic surgeons in Muskegon →

Other clinicians in Center for Physical Rehabilitation and Therapy LP

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

Clinician information

CredentialDO
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912919630
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