Ana Maria Calderon, M.D.
Internal Medicine Physician · San Antonio, TX
Ana Maria Calderon, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1578845574, issued on Sep 15, 2011. Check the license (Texas P0354, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ana Maria Calderon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P0354 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8542 Wurzbach RD, San Antonio, TX 78240
- Phone
- (210) 616-7300
- Enumerated
- Sep 15, 2011
- Record last updated
- Mar 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (210) 616-7359
- Medicare enrollment
- Enrolled (PECOS I20111219000863); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 8542 Wurzbach RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristi Clark, M.D.Internal Medicine Physician1912973769
- Stephanie GarzaFamily Nurse Practitioner1518583186
- Nagalakshmi KoduriHospitalist Physician1457510869
- Timothy Kosmatka, M.D.Family Medicine Physician1225022015
- Sergio Rivas, FNP, MPHFamily Nurse Practitioner1326385311
- Mae Anne Sepulveda, MDFamily Medicine Physician1881825719
Verify Ana Maria Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P0354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,158 Medicare Part D claims for 715 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 212 claims were for opioids.
Most prescribed
- Atorvastatin Calcium569 claims
- Levothyroxine Sodium393 claims
- Losartan Potassium336 claims
- Lisinopril302 claims
- Rosuvastatin Calcium275 claims
- Amlodipine Besylate258 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
- Physician Primecare, IncSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Maria Calderon among 9,175 internal medicine physician records in Texas
Ana Maria Calderon, 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2003 · median 2004 among the 6,088 with a school on file
- Record last updated2018 · 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
- Nourdjihane Adams, M.D.San Antonio, TX 782401740383314
- Monica Anz-Cavazos, M.D.San Antonio, TX 782401114972080
- Robert Bass, M.D.San Antonio, TX 782401477553857
- Kristi Clark, M.D.San Antonio, TX 782401912973769
- Arvind Kumar, MDSan Antonio, TX 782401316041791
- Dennis Oliver, MDSan Antonio, TX 782401265439541
- Hoan Pho, MDSan Antonio, TX 782401598766172
- George Rapier, MDSan Antonio, TX 782401801893581
Common questions
What is Ana Maria Calderon, M.D.'s NPI number?
Ana Maria Calderon, M.D.'s National Provider Identifier (NPI) is 1578845574, issued on Sep 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ana Maria Calderon, M.D. located?
The NPPES record lists a practice address at 8542 Wurzbach RD, San Antonio, TX, 78240. Phone: (210) 616-7300. Providers update this record themselves, so call before visiting.
How can I verify Ana Maria Calderon, M.D.'s license?
NPPES lists Texas license number P0354, 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 Ana Maria Calderon, M.D. prescribe under Medicare Part D?
In 2024, Ana Maria Calderon, M.D. had 9,158 Medicare Part D claims for 715 beneficiaries; 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.