Raul M. Montemayor, M.D.
Internal Medicine Physician · San Antonio, TX
Raul M. Montemayor, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1013998178, issued on Nov 7, 2005. Check the license (Texas F8582, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Raul M. Montemayor
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- F8582 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2829 Babcock RD, San Antonio, TX 78229
- Phone
- (210) 614-5855
- Enumerated
- Nov 7, 2005
- Record last updated
- Dec 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (210) 614-6240
- Medicaid ID
- 117263701 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 2829 Babcock RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Raul M. Montemayor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F8582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Donepezil Hcl12 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.
Raul M. Montemayor among 9,175 internal medicine physician records in Texas
Raul M. Montemayor, M.D. is one of 9,175 internal 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2009 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeremias Abueme, M.D.San Antonio, TX 782291891790960
- Richard Clemons, MDSan Antonio, TX 782291740282664
- Serina Flores, M.D.San Antonio, TX 782291528058203
- John Galan, MDSan Antonio, TX 782291528069440
- Juan Gonzalez, MDSan Antonio, TX 782291659370963
- Bradley Kayser, MDSan Antonio, TX 782291285635110
- Michelle Medellin, M.D.San Antonio, TX 782291770571614
- Thomas Mieras, MDSan Antonio, TX 782291578564787
Common questions
What is Raul M. Montemayor, M.D.'s NPI number?
Raul M. Montemayor, M.D.'s National Provider Identifier (NPI) is 1013998178, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Raul M. Montemayor, M.D. located?
The NPPES record lists a practice address at 2829 Babcock RD, San Antonio, TX, 78229. Phone: (210) 614-5855. Providers update this record themselves, so call before visiting.
How can I verify Raul M. Montemayor, M.D.'s license?
NPPES lists Texas license number F8582, 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 Raul M. Montemayor, M.D. prescribe under Medicare Part D?
In 2024, Raul M. Montemayor, M.D. had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.