Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

Michael F. Harrer, MD

Works at hospitals in Stratford, NJ · Camden, NJ · Voorhees, NJ · New Jersey

Summary

Dr. Michael F. Harrer, MD is an orthopedic surgeon at 999 Route 73 N, Suite 401, Marlton, NJ 08053. Phone: (800) 321-9999. Accepts Medicare assignment. In 2024, Michael F. Harrer had 647 Original Medicare patients and 6,507 services. NPI 1194829762. 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 F. Harrer, 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 F. Harrer accept Medicare assignment?
Yes. Medicare's clinician data says Michael F. Harrer 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 F. Harrer see?
In 2024, CMS data shows 647 Original Medicare patients and 6,507 services for Michael F. Harrer. This counts Original Medicare only and measures volume, not quality.
What is Michael F. Harrer's NPI number?
1194829762. 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 F. Harrer, 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 patients647
Services billed to Medicare6,507
Different services or procedures52
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (J7329)3,200 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,264 services
  3. Aspiration and/or injection of fluid from large joint (20610)395 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)316 services
  5. X-ray of knee, 3 views (73562)230 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%
  • Ischemic heart disease30%
  • Diabetes28%
  • Anxiety28%

Hospitals where Michael F. Harrer works

Medicare's Facility Affiliation Data lists Michael F. Harrer 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.

  • Jefferson Stratford HospitalStratford, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310086
  • Virtua Our Lady of Lourdes HospitalCamden, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310029
  • West Jersey HospitalVoorhees, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310022

Practice locations

Addresses where Michael F. Harrer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael F. Harrer as a member of this group (CMS data updated October 2, 2026).

  • Rothman Orthopaedics of New Jersey, LLC176 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in New Jersey →

Other orthopedic surgeons in Marlton

Clinicians with the same Medicare primary specialty in Marlton, NJ — not a recommendation.

All orthopedic surgeons in Marlton →

Other clinicians in Rothman Orthopaedics of New Jersey, LLC

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

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194829762
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