Quick answers
- Which hospitals does Thomas S. Griggs work at?
- Medicare's official clinician data lists Thomas S. Griggs at 5 hospitals: Community Hospital, LLC, Duncan Regional Hospital, Inc, Memorial Health, Oklahoma Spine Hospital and Paris Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas S. Griggs see patients?
- Medicare's clinician data lists 27 practice locations, including Crockett, TX, Frisco, TX and Austin, TX. Call before your visit to confirm the address.
- What is Thomas S. Griggs's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Thomas S. Griggs accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas S. Griggs 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 Thomas S. Griggs?
- (936) 546-3891, as listed in official Medicare / NPI Registry data.
- What is Thomas S. Griggs's NPI number?
- 1891743373. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas S. Griggs works
Medicare's Facility Affiliation Data lists Thomas S. Griggs at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Hospital, LLCOklahoma City, OK · Acute Care Hospital · CCN 370203
- Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospital · CCN 370023
- Memorial HealthLawton, OK · Acute Care Hospital · CCN 370056
- Oklahoma Spine HospitalOklahoma City, OK · Acute Care Hospital · CCN 370206
- Paris Regional Medical CenterParis, TX · Acute Care Hospital · CCN 450196
Practice locations
Addresses where Thomas S. Griggs is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 27; the Medicare profile lists all.
- 1100 E Loop, Suite 304Crockett, TX 75835 (936) 546‑3891
- 1122 E Loop, Suite 304Crockett, TX 75835 (936) 544‑2157
- 12052 Toscana WayFrisco, TX 75035 (972) 492‑3846
- 12801 Hacienda RdgAustin, TX 78738 (713) 461‑3573
- 13301 N Meridian Ave, Suite 600aOklahoma City, OK 73120 (855) 504‑4544
Group practices
Medicare enrollment lists Thomas S. Griggs as a member of these groups (CMS data updated 2026-10-02).
- Singleton Associates PA838 clinicians in the group
- Eagle Partners, PLLC171 clinicians in the group
- North Star MCD LLC80 clinicians in the group
- North Star Mri of Frisco LP75 clinicians in the group
- North Star Diagnostic Imaging LLC69 clinicians in the group
- North Star Mri LP57 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891743373 |
| 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