William Curtis Griffin, D.O.
Family Medicine Physician · Sonora, TX
William Curtis Griffin, D.O. is a family medicine physician with a practice address in Sonora, Texas, and NPI 1871970962, issued on Apr 28, 2015. Check the license (Texas R5400, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Curtis Griffin
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R5400 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 Hudspeth St Ste B, Sonora, TX 76950
- Phone
- (325) 387-1317
- Enumerated
- Apr 28, 2015
- Record last updated
- Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (325) 387-7912
- Medicare enrollment
- Enrolled (PECOS I20180814001482); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2015
- Entity
- Type 1 · individual
Also registered at 301 Hudspeth St Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Hall, M.D.Family Medicine Physician1356357362
- Sarah SanchezPhysician Assistant1609607977
- Rebecca Simmons-Rios, FNPFamily Nurse Practitioner1588658728
Verify William Curtis Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,875 Medicare Part D claims for 213 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium202 claims
- Lisinopril139 claims
- Amlodipine Besylate89 claims
- Furosemide84 claims
- Levothyroxine Sodium81 claims
- Gabapentin79 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.88
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Sutton County Hospital DistrictSonora, TX
- The West Texas Rehabilitation CenterAbilene, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 family medicine physician records list a practice address in Sonora
They are 3 of the 15 NPPES records with a practice address in Sonora, and 11,119 family medicine physician records in Texas.
All 3 in Sonora → All 11,119 in Texas → Every provider in Sonora →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Ahmad Abazid, M.DRichardson, TX1013238401
- Syed Abbas, M.D.Houston, TX1821267477
Common questions
What is William Curtis Griffin, D.O.'s NPI number?
William Curtis Griffin, D.O.'s National Provider Identifier (NPI) is 1871970962, issued on Apr 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is William Curtis Griffin, D.O. located?
The NPPES record lists a practice address at 301 Hudspeth St Ste B, Sonora, TX, 76950. Phone: (325) 387-1317. Providers update this record themselves, so call before visiting.
How can I verify William Curtis Griffin, D.O.'s license?
NPPES lists Texas license number R5400, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Curtis Griffin, D.O. prescribe under Medicare Part D?
In 2024, William Curtis Griffin, D.O. had 2,875 Medicare Part D claims for 213 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.