Claire Yoon, MD
Family Medicine Physician · San Antonio, TX
Claire Yoon, MD is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1467149575, issued on Apr 19, 2023. Check the license (Texas W6812, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Claire Yoon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- W6812 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3846 Medical Dr Ste 100, San Antonio, TX 78229
- Phone
- (210) 450-9100
- Enumerated
- Apr 19, 2023
- Record last updated
- Jun 1, 2026
- Fax
- (210) 450-4962
- Medicare enrollment
- Enrolled (PECOS I20260610004036); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 3846 Medical Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bazaco, MDFamily Medicine Physician1487931770
- Chelsey Bravenec, MDInternal Medicine Physician1073178067
Verify Claire Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W6812Check 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
191 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Synthroid15 claims
- Lisinopril14 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.
Claire Yoon among 11,119 family medicine physician records in Texas
Claire Yoon, MD 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2023 · median 2004 among the 7,095 with a school on file
- Record last updated2026 · 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
- Christopher Arnold, MDSan Antonio, TX 782291255338950
- Timothy Barker, MDSan Antonio, TX 782291336126119
- Paris Brinkley, MDSan Antonio, TX 782291700867801
- Pamela Camosy, MDSan Antonio, TX 782291992702674
- Patricia Chung, M.D.San Antonio, TX 782291073503959
- Robin Eickhoff, MDSan Antonio, TX 782291962474320
- Nora Garza, MDSan Antonio, TX 782291972500684
- Carlos Jaen, M.D.San Antonio, TX 782291285625772
Common questions
What is Claire Yoon, MD's NPI number?
Claire Yoon, MD's National Provider Identifier (NPI) is 1467149575, issued on Apr 19, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Claire Yoon, MD located?
The NPPES record lists a practice address at 3846 Medical Dr Ste 100, San Antonio, TX, 78229. Phone: (210) 450-9100. Providers update this record themselves, so call before visiting.
How can I verify Claire Yoon, MD's license?
NPPES lists Texas license number W6812, 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 Claire Yoon, MD prescribe under Medicare Part D?
In 2024, Claire Yoon, MD had 191 Medicare Part D claims for 33 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.