NPPES file of Aug 9, 2026

Maria Del Rosario Najera, M.D.

Internal Medicine Physician · San Antonio, TX

Maria Del Rosario Najera, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1568722429, issued on May 24, 2012. Check the license (Texas Q6545, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568722429
Name
Maria Del Rosario Najera
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
Q6545 TX
Self-reported in NPPES; status is on the state search
Practice location
6827 Camp Bullis RD Ste 103, San Antonio, TX 78256
Phone
(210) 860-1260
Enumerated
May 24, 2012
Record last updated
Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Verify Maria Del Rosario Najera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q6545    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Maria Najera18
  2. Specialty average3,176

Most prescribed

  1. Verapamil 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.

Maria Del Rosario Najera among 9,175 internal medicine physician records in Texas

Maria Del Rosario Najera, 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 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2020 · 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

  1. Sahar Avestimehr, M.D.San Antonio, TX 782561508138900
  2. James Goral, M.D.San Antonio, TX 782561437428026
  3. Randy Panther, M.D.San Antonio, TX 782561285694455
  4. James Thomas, MDSan Antonio, TX 782561629062229
  5. Marilyn Galindo, MDSan Antonio, TX 782571740690098
  6. Norman JacobsonSan Antonio, TX 782571144356387
  7. Chrissy Navejar, DOSan Antonio, TX 782571316143985
  8. William Atlas, M.D.San Antonio, TX 782581902881535

Common questions

What is Maria Del Rosario Najera, M.D.'s NPI number?

Maria Del Rosario Najera, M.D.'s National Provider Identifier (NPI) is 1568722429, issued on May 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maria Del Rosario Najera, M.D. located?

The NPPES record lists a practice address at 6827 Camp Bullis RD Ste 103, San Antonio, TX, 78256. Phone: (210) 860-1260. Providers update this record themselves, so call before visiting.

How can I verify Maria Del Rosario Najera, M.D.'s license?

NPPES lists Texas license number Q6545, 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 Maria Del Rosario Najera, M.D. prescribe under Medicare Part D?

In 2024, Maria Del Rosario Najera, M.D. had 18 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.