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Orthopedic Surgery

Michael Merkley, MD

Works at hospitals in Peoria, IL · Pekin, IL · Galesburg, IL · Illinois

Summary

Dr. Michael Merkley, MD is an orthopedic surgeon at 300 Tenney St, Kewanee, IL 61443. Phone: (309) 853-5500. Accepts Medicare assignment. In 2024, Michael Merkley had 413 Original Medicare patients and 2,568 services. NPI 1114928942. 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 Michael Merkley, 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 Michael Merkley accept Medicare assignment?
Yes. Medicare's clinician data says Michael Merkley 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 Michael Merkley see?
In 2024, CMS data shows 413 Original Medicare patients and 2,568 services for Michael Merkley. This counts Original Medicare only and measures volume, not quality.
What is Michael Merkley's NPI number?
1114928942. 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 Michael Merkley, 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 patients413
Services billed to Medicare2,568
Different services or procedures64
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)832 services
  2. X-ray of shoulder, minimum of 2 views (73030)308 services
  3. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)262 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)177 services
  5. Aspiration and/or injection of fluid from large joint (20610)118 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%
  • Arthritis75%
  • Anxiety25%
  • Depression22%
  • Diabetes21%

Hospitals where Michael Merkley works

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

Group practices

Medicare enrollment lists Michael Merkley as a member of these groups (CMS data updated October 2, 2026).

  • Advanced Physical Therapy Services, Ltd.223 clinicians in the group
  • Midwest Orthopaedic Center S C45 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Illinois →

Other orthopedic surgeons in Kewanee

Clinicians with the same Medicare primary specialty in Kewanee, IL — not a recommendation.

All orthopedic surgeons in Kewanee →

Other clinicians in Advanced Physical Therapy Services, Ltd.

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

Clinician information

CredentialMD
Medical schoolIllinois Medical College
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114928942
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