Quick answers
- Which hospitals does Michael J. Walker work at?
- Medicare's official clinician data lists Michael J. Walker at 4 hospitals: Bryn Mawr Hospital, Main Line Hospital Lankenau, Paoli Hospital and Riddle Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Walker see patients?
- Medicare's clinician data lists 7 practice locations, including Media, PA, Bryn Mawr, PA and Paoli, PA. Call before your visit to confirm the address.
- What is Michael J. Walker's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also General Surgery.
- Does Michael J. Walker accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Walker 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 Michael J. Walker?
- (610) 566-9400, as listed in official Medicare / NPI Registry data.
- What is Michael J. Walker's NPI number?
- 1871538611. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Walker works
Medicare's Facility Affiliation Data lists Michael J. Walker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · CCN 390139
- Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · CCN 390195
- Paoli HospitalPaoli, PA · Acute Care Hospital · CCN 390153
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · CCN 390222
Practice locations
Addresses where Michael J. Walker is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1068 W Baltimore PikeMedia, PA 19063 (610) 566‑9400
- 1068 W Baltimore Pike, Rmh House Phys GroupMedia, PA 19063 (610) 627‑4216
- 130 S Bryn Mawr AveBryn Mawr, PA 19010
- 130 S Bryn Mawr Ave H, 321 Gvh Hospital Medical Services BrynBryn Mawr, PA 19010 (484) 337‑4097
- 255 W Lancaster AvePaoli, PA 19301
Group practices
Medicare enrollment lists Michael J. Walker as a member of this group (CMS data updated 2026-10-02).
- Main Line Healthcare1,184 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- General Surgeryalso
Other thoracic surgeons in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871538611 |
| 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