John W. Thomas, M.D.
Diagnostic Radiology Physician · San Antonio, TX
John W. Thomas, M.D. is a diagnostic radiology physician with a practice address in San Antonio, Texas, and NPI 1871560193, issued on Mar 6, 2006. Check the license (Texas H6649, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John W. Thomas
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- H6649 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8401 Datapoint Dr, San Antonio, TX 78229
- Phone
- (210) 616-7700
- Enumerated
- Mar 6, 2006
- Record last updated
- Apr 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (210) 616-7709
- Medicaid IDs
- 137669110 TX
137669111 TX - Medicare enrollment
- Enrolled (PECOS I20110405001168); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 8401 Datapoint Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marie Berkenkamp, MDPediatric Emergency Medicine (Pediatrics) Physician1871572248
Verify John W. Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H6649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average diagnostic radiology physician in 2024
59 Medicare Part D claims for 18 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Methylprednisolone16 claims
- Ibuprofen13 claims
- Ciprofloxacin Hcl12 claims
- Hydrocodone-Acetaminophen11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,098.22
15 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 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
- South Texas Radiology Group PAFrederickburg, TX
- South Texas Radiology Imaging CentersBoerne, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. Thomas among 3,124 diagnostic radiology physician records in Texas
John W. Thomas, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1988 · median 2003 among the 2,277 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in San Antonio → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jose Arbona, M.D.San Antonio, TX 782291396721155
- Peter Berardo, M.D.San Antonio, TX 782291447236211
- Ernesto Blanco, M.D.San Antonio, TX 782291508843392
- F. Browne, M.D.San Antonio, TX 782291972589752
- Gilberto Cadavid, M.D.San Antonio, TX 782291417933219
- David Golden, M.D.San Antonio, TX 782291407848815
- Gerald Growcock, M.D.San Antonio, TX 782291699751404
- Diane Icenogle Leuschen, M.D.San Antonio, TX 782291508842311
Common questions
What is John W. Thomas, M.D.'s NPI number?
John W. Thomas, M.D.'s National Provider Identifier (NPI) is 1871560193, issued on Mar 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John W. Thomas, M.D. located?
The NPPES record lists a practice address at 8401 Datapoint Dr, San Antonio, TX, 78229. Phone: (210) 616-7700. Providers update this record themselves, so call before visiting.
How can I verify John W. Thomas, M.D.'s license?
NPPES lists Texas license number H6649, 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 John W. Thomas, M.D. prescribe under Medicare Part D?
In 2024, John W. Thomas, M.D. had 59 Medicare Part D claims for 18 beneficiaries; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.
What is John W. Thomas, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.