Quick answers
- Which hospitals does William Hayes work at?
- Medicare's official clinician data lists William Hayes at 4 hospitals: Glen Rose Medical Center, Mercy Medical Center - Cedar Rapids, St Joseph Hospital and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Hayes see patients?
- Medicare's clinician data lists 5 practice locations, including Glen Rose, TX, Bangor, ME and Plano, TX. Call before your visit to confirm the address.
- What is William Hayes's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does William Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says William Hayes 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 William Hayes?
- (254) 897-2215, as listed in official Medicare / NPI Registry data.
- What is William Hayes's NPI number?
- 1760433098. 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 Hayes works
Medicare's Facility Affiliation Data lists William Hayes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Glen Rose Medical CenterGlen Rose, TX · Acute Care Hospital · CCN 450451
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · CCN 160079
- St Joseph HospitalBangor, ME · Acute Care Hospital · CCN 200001
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · CCN 520098
Practice locations
Addresses where William Hayes is enrolled with Medicare (CMS data updated 2026-10-02).
- 1021 Holden StGlen Rose, TX 76043 (254) 897‑2215
- 360 BroadwayBangor, ME 04401
- 3901 W 15th StPlano, TX 75075 (972) 596‑6800
- 701 10th St SECedar Rapids, IA 52403
- 701 10th St SE J Edward Lundy, Mercy Pediatric ClinicCedar Rapids, IA 52403 (319) 832‑2328
Group practices
Medicare enrollment lists William Hayes as a member of these groups (CMS data updated 2026-10-02).
- Orthomed Staffing LLC416 clinicians in the group
- Mercy Medical Center305 clinicians in the group
- St Joseph Hospital199 clinicians in the group
- Anesthesiology Consultants of North Texas PA12 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Glen Rose
Clinicians with the same Medicare primary specialty in Glen Rose, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760433098 |
| 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