Quick answers
- Which hospitals does William B. Zimmerman work at?
- Medicare's official clinician data lists William B. Zimmerman at 5 hospitals: Edward W Sparrow Hospital, Henry Ford Allegiance Health, Henry Ford Health Hospital, McLaren Greater Lansing and University of Michigan Health - Sparrow Eaton. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William B. Zimmerman see patients?
- Medicare's clinician data lists 3 practice locations, including Lansing, MI and East Lansing, MI. Call before your visit to confirm the address.
- What is William B. Zimmerman's specialty?
- Medicare lists Urology as the primary specialty.
- Does William B. Zimmerman accept Medicare assignment?
- Yes. Medicare's clinician data says William B. Zimmerman 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.
- Does William B. Zimmerman offer telehealth?
- Medicare's clinician data says William B. Zimmerman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is William B. Zimmerman's NPI number?
- 1285803627. 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 B. Zimmerman works
Medicare's Facility Affiliation Data lists William B. Zimmerman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- Henry Ford Allegiance HealthJackson, MI · Acute Care Hospital · CCN 230092
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
- McLaren Greater LansingLansing, MI · Acute Care Hospital · CCN 230167
- University of Michigan Health - Sparrow EatonCharlotte, MI · Critical Access Hospital · CCN 231327
Practice locations
Addresses where William B. Zimmerman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 E Michigan AveLansing, MI 48912
- 4660 S Hagadorn RdEast Lansing, MI 48823
- 4660 S Hagadorn Rd, Suite 500East Lansing, MI 48823
Group practices
Medicare enrollment lists William B. Zimmerman as a member of this group (CMS data updated 2026-10-02).
- MSU Health Care Inc.198 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285803627 |
| 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