Quick answers
- Does Zachary C. Leonard accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary C. Leonard 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 Zachary C. Leonard see?
- In 2024, CMS data shows 676 Original Medicare patients and 6,609 services for Zachary C. Leonard. This counts Original Medicare only and measures volume, not quality.
- What is Zachary C. Leonard's NPI number?
- 1477769891. 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 Zachary C. Leonard, 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 patients | 676 |
|---|---|
| Services billed to Medicare | 6,609 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)952 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)823 services
- Therapy procedure using functional activities (97530)314 services
- Therapy procedure using manual technique, each 15 minutes (97140)230 services
- Injection, ketorolac tromethamine, per 15 mg (J1885)222 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%
- Arthritis75%
- High cholesterol72%
- Anxiety27%
- Diabetes25%
- Ischemic heart disease22%
Hospitals where Zachary C. Leonard works
Medicare's Facility Affiliation Data lists Zachary C. Leonard 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.
- Baraga County Memorial HospitalL' Anse, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231307
- Bell HospitalIshpeming, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231321
- Schoolcraft Memorial HospitalManistique, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231303
- Up Health System PortageHancock, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230108
- Uphs Marquette DLP HospitalMarquette, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230054
Practice locations
Addresses where Zachary C. Leonard is enrolled with Medicare (CMS data updated October 2, 2026).
- 1414 W Fair AveMarquette, MI 49855 (906) 225‑1321
- 18341 US Hwy 41Lanse, MI 49946 (906) 225‑1321
- 580 W College AveMarquette, MI 49855 (906) 228‑9440
- 901 Lakeshore DrIshpeming, MI 49849 (906) 225‑1321
Group practices
Medicare enrollment lists Zachary C. Leonard as a member of this group (CMS data updated October 2, 2026).
- Orthopaedic Surgery Associates of Marquette PC26 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Marquette
Clinicians with the same Medicare primary specialty in Marquette, MI — not a recommendation.
Other clinicians in Orthopaedic Surgery Associates of Marquette PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477769891 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians