Esther A. Rivera Gambaro, M.D.
Family Medicine Physician · San Antonio, TX
Esther A. Rivera Gambaro, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1144471053, issued on Oct 9, 2008. Check the license (Texas R6268, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Esther A. Rivera Gambaro
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- R6268 TX
18356 PR
27,906R PR
27383R PR
Self-reported in NPPES; status is on the state search - Practice location
- 7400 Merton Minter Blvd, San Antonio, TX 78229
- Phone
- (210) 337-4316
- Enumerated
- Oct 9, 2008
- Record last updated
- May 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20180403002558); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 7400 Merton Minter Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Esther A. Rivera Gambaro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R6268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
87 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Choctaw Nation OF OklahomaMcAlester, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther A. Rivera Gambaro among 11,119 family medicine physician records in Texas
Esther A. Rivera Gambaro, M.D. 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 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2008 · median 2004 among the 7,095 with a school on file
- Record last updated2023 · 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
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- 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 Esther A. Rivera Gambaro, M.D.'s NPI number?
Esther A. Rivera Gambaro, M.D.'s National Provider Identifier (NPI) is 1144471053, issued on Oct 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Esther A. Rivera Gambaro, M.D. located?
The NPPES record lists a practice address at 7400 Merton Minter Blvd, San Antonio, TX, 78229. Phone: (210) 337-4316. Providers update this record themselves, so call before visiting.
How can I verify Esther A. Rivera Gambaro, M.D.'s license?
NPPES lists Texas license number R6268, 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 Esther A. Rivera Gambaro, M.D. prescribe under Medicare Part D?
In 2024, Esther A. Rivera Gambaro, M.D. had 87 Medicare Part D claims for 66 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.