Shawn Ray Williams, D.O
Family Medicine Physician · San Antonio, TX
Shawn Ray Williams, D.O is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1336167600, issued on Jul 17, 2006. Check the license (Texas T3902, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Shawn Ray Williams
- Credential
- D.O
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- T3902 TX
066841 GA
Self-reported in NPPES; status is on the state search - Practice location
- 7031 Marbach RD, San Antonio, TX 78227
- Phone
- (210) 761-3393
- Enumerated
- Jul 17, 2006
- Record last updated
- Dec 16, 2022
- Fax
- (210) 761-3397
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 7031 Marbach RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Frank Marcano Obregon, MDFamily Medicine Physician1750744470
Verify Shawn Ray Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T3902Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
185 Medicare Part D claims for 80 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Lisinopril14 claims
- Amlodipine Besylate11 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.
Shawn Ray Williams among 11,119 family medicine physician records in Texas
Shawn Ray Williams, D.O is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
809 family medicine physician records list a practice address in San Antonio
They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in San Antonio → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Linzi Jones, FNP-BCSan Antonio, TX 782271669249678
- Daniel Kellum, DOSan Antonio, TX 782271174518625
- Frank Marcano Obregon, MDSan Antonio, TX 782271750744470
- Hormazd Sanjana, MDSan Antonio, TX 782271093706293
- Salvador Vazquez, MDSan Antonio, TX 782271588641377
- Fozia Ali, M.D.San Antonio, TX 782261225295975
- Javier Bocanegra, MDSan Antonio, TX 782281003837758
- Michael Dominguez, MDSan Antonio, TX 782281689674509
Common questions
What is Shawn Ray Williams, D.O's NPI number?
Shawn Ray Williams, D.O's National Provider Identifier (NPI) is 1336167600, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shawn Ray Williams, D.O located?
The NPPES record lists a practice address at 7031 Marbach RD, San Antonio, TX, 78227. Phone: (210) 761-3393. Providers update this record themselves, so call before visiting.
How can I verify Shawn Ray Williams, D.O's license?
NPPES lists Texas license number T3902, 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 Shawn Ray Williams, D.O prescribe under Medicare Part D?
In 2024, Shawn Ray Williams, D.O had 185 Medicare Part D claims for 80 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.