Thomas John Gianis, M.D.
Vascular Surgery Physician · San Antonio, TX
Thomas John Gianis, M.D. is a vascular surgery physician with a practice address in San Antonio, Texas, and NPI 1467895375, issued on Apr 10, 2013. Check the license (Texas T2607, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas John Gianis
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- T2607 TX
Self-reported in NPPES; status is on the state search - Practice location
- 603 E Amber St Ste 101, San Antonio, TX 78221
- Phone
- (210) 610-7283
- Enumerated
- Apr 10, 2013
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (210) 812-5938
- Medicare enrollment
- Enrolled (PECOS I20210803001478); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 368 in Texas → Look up another NPI →
Also registered at 603 E Amber St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nydia Gonzalez, RN, FNPFamily Nurse Practitioner1518155134
- Monica Kincade, RN, ACNS-BC, AGPCNPFamily Nurse Practitioner1588998694
- Sherry Mullins, PA-CPhysician Assistant1013357144
- Lyssa Ochoa, MDVascular Surgery Physician1699900480
- Amber Ritenour, M.D.Vascular Surgery Physician1548289960
Verify Thomas John Gianis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average vascular surgery physician in 2024
111 Medicare Part D claims for 57 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel42 claims
- Atorvastatin Calcium22 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,500.57
13 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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 one group practice
- Medical Vein ClinicSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas John Gianis among 368 vascular surgery physician records in Texas
Thomas John Gianis, M.D. is one of 368 vascular surgery physician records with a practice address in Texas. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 69% of them.
- NPI issued2013 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 2004 among the 290 with a school on file
- Record last updated2021 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Texas
There are 368 vascular surgery physician records in Texas.
All 368 in Texas → Every provider in San Antonio → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Lyssa Ochoa, MDSan Antonio, TX 782211699900480
- Amber Ritenour, M.D.San Antonio, TX 782211548289960
- Jeffrey Martinez, M.D.San Antonio, TX 782241295731164
- Lois Fiala, MDSan Antonio, TX 782151386607596
- Gabriel Bietz, M.D.San Antonio, TX 782291194988642
- Ronald Blumoff, M.D.San Antonio, TX 782131861498982
- Reshma Brahmbhatt, M.D.San Antonio, TX 782291427291368
- Teresa Carleton, M.D.San Antonio, TX 782291770617912
Common questions
What is Thomas John Gianis, M.D.'s NPI number?
Thomas John Gianis, M.D.'s National Provider Identifier (NPI) is 1467895375, issued on Apr 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Thomas John Gianis, M.D. located?
The NPPES record lists a practice address at 603 E Amber St Ste 101, San Antonio, TX, 78221. Phone: (210) 610-7283. Providers update this record themselves, so call before visiting.
How can I verify Thomas John Gianis, M.D.'s license?
NPPES lists Texas license number T2607, 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 Thomas John Gianis, M.D. prescribe under Medicare Part D?
In 2024, Thomas John Gianis, M.D. had 111 Medicare Part D claims for 57 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Thomas John Gianis, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.