Perry J. Merillat, DO

Medicare activity in 2024

Official CMS public-use data for Perry J. Merillat, 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.

Most frequent services

1. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)12 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).

• Arthritis74%
• High blood pressure72%
• High cholesterol70%
• Depression32%
• Anxiety28%
• Atrial fibrillation23%

Hospitals where Perry J. Merillat works

Medicare's Facility Affiliation Data lists Perry J. Merillat 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.

• Corewell Health Ludington HospitalLudington, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230110
• Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038

Practice locations

Addresses where Perry J. Merillat is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Atkinson DrLudington, MI 49431 (231) 843‑2591
• 7 Atkinson DrLudington, MI 49431

Group practices

Medicare enrollment lists Perry J. Merillat as a member of this group (CMS data updated October 2, 2026).

• Memorial Medical Center of West Michigan62 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Michigan →

Other orthopedic surgeons in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

• Randolph J. Grierson Iii, DO
• Richard A. Baszler Ii, DO
• Christopher N. Zingas, MD
• Tarek A. Taha, MD
• Bryan J. Pack, MD
• James L. Horton Jr., DO
• Timothy E. Ekpo, DO
• Kurt A. Menapace, MD

All orthopedic surgeons in Michigan →

Other clinicians in Memorial Medical Center of West Michigan

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

• Elizabeth A. Bolzman, MD
• Zane M. Knoer, DO
• Diana E. Okuniewski, DO
• Keith D. Langlois, MD
• Madison L. Chapman
• Barbara E. Steinmacher

Clinician information

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