Quick answers
- Which hospitals does John J. Wallbillich work at?
- Medicare's official clinician data lists John J. Wallbillich at 3 hospitals: Harper University Hospital, Karmanos Cancer Center and McLaren Flint. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Wallbillich see patients?
- Medicare's clinician data lists 1 practice location in Detroit, MI. Call before your visit to confirm the address.
- What is John J. Wallbillich's specialty?
- Medicare lists Gynecological Oncology as the primary specialty, and also Obstetrics/Gynecology.
- Does John J. Wallbillich accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Wallbillich 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 John J. Wallbillich offer telehealth?
- Medicare's clinician data says John J. Wallbillich offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John J. Wallbillich?
- (800) 527-6266, as listed in official Medicare / NPI Registry data.
- What is John J. Wallbillich's NPI number?
- 1396094744. 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 J. Wallbillich works
Medicare's Facility Affiliation Data lists John J. Wallbillich at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Harper University HospitalDetroit, MI · Acute Care Hospital · CCN 230104
- Karmanos Cancer CenterDetroit, MI · Acute Care Hospital · CCN 230297
- McLaren FlintFlint, MI · Acute Care Hospital · CCN 230141
Practice locations
Addresses where John J. Wallbillich is enrolled with Medicare (CMS data updated 2026-10-02).
- 4100 John R StDetroit, MI 48201 (800) 527‑6266
Group practices
Medicare enrollment lists John J. Wallbillich as a member of this group (CMS data updated 2026-10-02).
- University Physician Group403 clinicians in the group
Specialties
- Gynecological Oncologyprimary
- Obstetrics/Gynecologyalso
Other gynecologic oncologists 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 | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396094744 |
| 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