Quick answers
- Which hospitals does Walker D. Flannery work at?
- Medicare's official clinician data lists Walker D. Flannery at 5 hospitals: Aurora Medical Center Bay Area, Bellin Memorial Hospital, Door County Medical Center, OSF St Francis Hospital and Medical Group and St Marys Hospital Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Walker D. Flannery see patients?
- Medicare's clinician data lists 1 practice location in Green Bay, WI. Call before your visit to confirm the address.
- What is Walker D. Flannery's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Walker D. Flannery accept Medicare assignment?
- Yes. Medicare's clinician data says Walker D. Flannery 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 Walker D. Flannery?
- (920) 430-8113, as listed in official Medicare / NPI Registry data.
- What is Walker D. Flannery's NPI number?
- 1891051538. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Walker D. Flannery works
Medicare's Facility Affiliation Data lists Walker D. Flannery at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical Center Bay AreaMarinette, WI · Acute Care Hospital · CCN 520113
- Bellin Memorial HospitalGreen Bay, WI · Acute Care Hospital · CCN 520049
- Door County Medical CenterSturgeon Bay, WI · Critical Access Hospital · CCN 521358
- OSF St Francis Hospital and Medical GroupEscanaba, MI · Critical Access Hospital · CCN 231337
- St Marys Hospital Medical CtrGreen Bay, WI · Acute Care Hospital · CCN 520097
Practice locations
Addresses where Walker D. Flannery is enrolled with Medicare (CMS data updated 2026-10-02).
- 2223 Lime Kiln Rd, Suite 1Green Bay, WI 54311 (920) 430‑8113
Group practices
Medicare enrollment lists Walker D. Flannery as a member of this group (CMS data updated 2026-10-02).
- Orthopedic and Sports Medicine Specialists of Green Bay, SC50 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891051538 |
| 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