Quick answers
- Which hospitals does Tom Griffin work at?
- Medicare's official clinician data lists Tom Griffin at 3 hospitals: HCA Houston Healthcare Clear Lake, Houston Methodist Clear Lake Hospital and UTMB Health League City Campus Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tom Griffin see patients?
- Medicare's clinician data lists 7 practice locations, including Houston, TX, Webster, TX and League City, TX. Call before your visit to confirm the address.
- What is Tom Griffin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Tom Griffin accept Medicare assignment?
- Medicare's clinician data says Tom Griffin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Tom Griffin?
- (281) 332-3001, as listed in official Medicare / NPI Registry data.
- What is Tom Griffin's NPI number?
- 1861021149. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tom Griffin works
Medicare's Facility Affiliation Data lists Tom Griffin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · CCN 450617
- Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · CCN 450709
- UTMB Health League City Campus HospitalLeague City, TX · Acute Care Hospital · CCN 450018
Practice locations
Addresses where Tom Griffin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 11800 Astoria BlvdHouston, TX 77089 (281) 332‑3001
- 18300 Houston Methodist DrHouston, TX 77058 (281) 332‑3001
- 18333 Egret Bay Blvd, Suite 140Houston, TX 77058 (281) 332‑3001
- 200 Blossom StWebster, TX 77598 (281) 332‑3001
- 2240 Gulf Fwy SLeague City, TX 77573 (281) 332‑3001
Group practices
Medicare enrollment lists Tom Griffin as a member of this group (CMS data updated 2026-10-02).
- Xpertmd39 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1861021149 |
| 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