Ambur L. Brown, M.D.
Family Medicine Physician · San Antonio, TX
Ambur L. Brown, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1992815815, issued on Aug 30, 2006. Check the license (Texas N4963, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ambur L. Brown
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- N4963 TX
MD61337215 WA
Self-reported in NPPES; status is on the state search - Practice location
- 6487 Blanco RD, San Antonio, TX 78216
- Phone
- (210) 921-3800
- Enumerated
- Aug 30, 2006
- Record last updated
- Dec 14, 2022
- Fax
- (210) 881-9706
- Medicare enrollment
- Enrolled (PECOS I20221227002046); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 6487 Blanco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Garza, FNP-CFamily Nurse Practitioner1578819868
- Claudia PradoFamily Nurse Practitioner1780198077
- Jose Seda, M.D.Family Medicine Physician1811124993
- Douglas Valbuena Plaza, MDInternal Medicine Physician1447670898
Verify Ambur L. Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average family medicine physician in 2024
2,338 Medicare Part D claims for 714 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 124 claims were for opioids.
Most prescribed
- Atorvastatin Calcium124 claims
- Losartan Potassium90 claims
- Omeprazole87 claims
- Lisinopril86 claims
- Levothyroxine Sodium70 claims
- Amlodipine Besylate57 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ambur L. Brown among 11,119 family medicine physician records in Texas
Ambur L. Brown, 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 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 fileYes · 64% of these records are
- Graduated1998 · median 2004 among the 7,095 with a school on file
- 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
- Michelle Baka, MDSan Antonio, TX 782161548237381
- Maria Cabello-Canales, M.D.San Antonio, TX 782161750381497
- Alice Epperson, M.D.San Antonio, TX 782161407821481
- Iudit Ferenczi, M.D.San Antonio, TX 782161366427056
- Meletios Fotinos, M.D.San Antonio, TX 782161114917572
- Jack Knight, MDSan Antonio, TX 782161174590905
- Isaac Kwarteng, DOSan Antonio, TX 782161235134081
- Patricia Olivares, MDSan Antonio, TX 782161568439396
Common questions
What is Ambur L. Brown, M.D.'s NPI number?
Ambur L. Brown, M.D.'s National Provider Identifier (NPI) is 1992815815, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ambur L. Brown, M.D. located?
The NPPES record lists a practice address at 6487 Blanco RD, San Antonio, TX, 78216. Phone: (210) 921-3800. Providers update this record themselves, so call before visiting.
How can I verify Ambur L. Brown, M.D.'s license?
NPPES lists Texas license number N4963, 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 Ambur L. Brown, M.D. prescribe under Medicare Part D?
In 2024, Ambur L. Brown, M.D. had 2,338 Medicare Part D claims for 714 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.