Tom Griffin, DO
NPI 1861021149 · Internal Medicine Physician · Webster, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tom Griffin, DO is a Internal Medicine Physician provider in Webster, TX (NPI 1861021149).
Provider details
- NPI number
- 1861021149
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- U4208 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
21 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
808 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 503 | $113 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 158 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 115 | $165 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $75 |
Typical Medicare-allowed amounts for these services range $75–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 26 | 26 |
| Furosemide | 24 | 24 |
| Pantoprazole Sodium | 22 | 22 |
| Prednisone | 21 | 20 |
| Amlodipine Besylate | 18 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (20)
- 2601 Holme AvePhiladelphia, PA 19152-2007Phone: (215) 335-6000
- 1500 Sunset DrFriendswood, TX 77546-4724Phone: (281) 992-4300
- 301 University BlvdGalveston, TX 77555-2007Phone: (409) 772-2222
- 6150 South Loop EHouston, TX 77087-1010Phone: (713) 643-2628
- 18300 Houston Methodist DrHouston, TX 77058-6302Phone: (281) 333-5503
- 11800 Astoria BlvdHouston, TX 77089-6041Phone: (281) 929-6485
- 10800 Flora Mae Meadows RdHouston, TX 77089-5974Phone: (832) 328-2350
- 3950 Underwood RdLa Porte, TX 77571-3900Phone: (210) 951-1900
- 411 Alabama AveLeague City, TX 77573-2615Phone: (281) 332-9588
Registry dates
- Enumerated
- 2020-04-07
- Last updated
- 2024-01-05
- Certified
- 2024-01-05
Frequently asked questions
- What is Tom Griffin's NPI number?
- Tom Griffin's National Provider Identifier (NPI) is 1861021149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tom Griffin's specialty?
- Tom Griffin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tom Griffin located?
- Tom Griffin's practice location on file with NPPES is 110 E Medical Center Blvd, Webster, TX 77598-4301.
- What is Tom Griffin's phone number?
- The practice phone number listed in the NPPES registry for Tom Griffin is (832) 224-9500.
- Does Tom Griffin accept Medicare?
- Tom Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tom Griffin's NPI active?
- Yes — Tom Griffin's NPI (1861021149) is active in the NPPES registry as of the last update on 2024-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.