Quick answers
- Which hospitals does Gregory P. Hayes work at?
- Medicare's official clinician data lists Gregory P. Hayes at 3 hospitals: Methodist Mansfield Medical Center, Methodist Midlothian Medical Center and Swedish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory P. Hayes see patients?
- Medicare's clinician data lists 1 practice location in Mansfield, TX. Call before your visit to confirm the address.
- What is Gregory P. Hayes's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Gregory P. Hayes accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory P. 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 Gregory P. Hayes?
- (682) 242-6440, as listed in official Medicare / NPI Registry data.
- What is Gregory P. Hayes's NPI number?
- 1730390980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory P. Hayes works
Medicare's Facility Affiliation Data lists Gregory P. Hayes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist Mansfield Medical CenterMansfield, TX · Acute Care Hospital · CCN 670023
- Methodist Midlothian Medical CenterMidlothian, TX · Acute Care Hospital · CCN 670300
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · CCN 500027
Practice locations
Addresses where Gregory P. Hayes is enrolled with Medicare (CMS data updated 2026-10-02).
- 2700 E Broad St, Greater Houston AnesthesiologyMansfield, TX 76063 (682) 242‑6440
Group practices
Medicare enrollment lists Gregory P. Hayes as a member of this group (CMS data updated 2026-10-02).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Mansfield
Clinicians with the same Medicare primary specialty in Mansfield, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730390980 |
| 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