Quick answers
- Which hospitals does John W. Mesko work at?
- Medicare's official clinician data lists John W. Mesko at 5 hospitals: Eaton Rapids Medical Center, Edward W Sparrow Hospital, McLaren Greater Lansing, University of Michigan Health - Sparrow Eaton and University of Michigan Health- Sparrow Clinton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Mesko see patients?
- Medicare's clinician data lists 1 practice location in Lansing, MI. Call before your visit to confirm the address.
- What is John W. Mesko's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John W. Mesko accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Mesko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John W. Mesko?
- (517) 267-0200, as listed in official Medicare / NPI Registry data.
- What is John W. Mesko's NPI number?
- 1043200306. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John W. Mesko works
Medicare's Facility Affiliation Data lists John W. Mesko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eaton Rapids Medical CenterEaton Rapids, MI · Critical Access Hospital · CCN 231324
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- McLaren Greater LansingLansing, MI · Acute Care Hospital · CCN 230167
- University of Michigan Health - Sparrow EatonCharlotte, MI · Critical Access Hospital · CCN 231327
- University of Michigan Health- Sparrow ClintonSaint Johns, MI · Critical Access Hospital · CCN 231326
Practice locations
Addresses where John W. Mesko is enrolled with Medicare (CMS data updated 2026-10-02).
- 3404 Patient Care DrLansing, MI 48911 (517) 267‑0200
Group practices
Medicare enrollment lists John W. Mesko as a member of this group (CMS data updated 2026-10-02).
- Michigan Orthopedic Center P C31 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043200306 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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