Quick answers
- Which hospitals does Michael A. McWilliams work at?
- Medicare's official clinician data lists Michael A. McWilliams at 2 hospitals: Baylor Scott & White Medical Center - Frisco and Baylor Scott and White Medical Center McKinney. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. McWilliams see patients?
- Medicare's clinician data lists 4 practice locations, including Marshfield, MO, Allen, TX and Frisco, TX. Call before your visit to confirm the address.
- What is Michael A. McWilliams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Michael A. McWilliams accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. McWilliams 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 A. McWilliams?
- (417) 630-0082, as listed in official Medicare / NPI Registry data.
- What is Michael A. McWilliams's NPI number?
- 1932125747. 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 A. McWilliams works
Medicare's Facility Affiliation Data lists Michael A. McWilliams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baylor Scott & White Medical Center - FriscoFrisco, TX · Acute Care Hospital · CCN 450853
- Baylor Scott and White Medical Center McKinneyMcKinney, TX · Acute Care Hospital · CCN 670082
Practice locations
Addresses where Michael A. McWilliams is enrolled with Medicare (CMS data updated 2026-10-02).
- 1350 Spur Dr, Suite 230Marshfield, MO 65706 (417) 630‑0082
- 325 Central Expy SAllen, TX 75013 (214) 785‑7246
- 3800 Gaylord Pkwy, Suite 140Frisco, TX 75034 (469) 800‑2100
- 5601 Warren PkwyFrisco, TX 75034 (214) 407‑5000
Group practices
Medicare enrollment lists Michael A. McWilliams as a member of these groups (CMS data updated 2026-10-02).
- Innovative Emergency Physicians of Frisco, PA9 clinicians in the group
- Fastdoc Professional Association7 clinicians in the group
- Fastdoc Urgent Care Centers of Missouri LLC5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932125747 |
| 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