Quick answers
- Which hospitals does William R. Ranger work at?
- Medicare's official clinician data lists William R. Ranger at 1 hospital: Borgess Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William R. Ranger see patients?
- Medicare's clinician data lists 5 practice locations, including Petoskey, MI, Kalamazoo, MI and Taylor, MI. Call before your visit to confirm the address.
- What is William R. Ranger's specialty?
- Medicare lists Vascular Surgery as the primary specialty, and also General Surgery and Peripheral Vascular Disease.
- Does William R. Ranger accept Medicare assignment?
- Yes. Medicare's clinician data says William R. Ranger 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 William R. Ranger?
- (888) 408-7008, as listed in official Medicare / NPI Registry data.
- What is William R. Ranger's NPI number?
- 1235121989. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William R. Ranger works
Medicare's Facility Affiliation Data lists William R. Ranger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Borgess Medical CenterKalamazoo, MI · Acute Care Hospital · CCN 230117
Practice locations
Addresses where William R. Ranger is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Spring StPetoskey, MI 49770 (888) 408‑7008
- 1521 Gull RdKalamazoo, MI 49048 (269) 226‑5165
- 1815 Henson AveKalamazoo, MI 49048 (269) 492‑6502
- 23600 Northline RdTaylor, MI 48180 (888) 408‑7008
- 3865 W Front St, Suite 4and5Traverse City, MI 49684 (231) 252‑0414
Group practices
Medicare enrollment lists William R. Ranger as a member of these groups (CMS data updated 2026-10-02).
- Post Acute Medical PLLC439 clinicians in the group
- Paragon Health PC53 clinicians in the group
- Ascension Borgess Hospital37 clinicians in the group
- Acv Traverse City PLLC3 clinicians in the group
Specialties
- Vascular Surgeryprimary
- General Surgeryalso
- Peripheral Vascular Diseasealso
Other vascular surgeons in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235121989 |
| 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