NPPES file of Aug 9, 2026

Claudia Y. Santos, M.D.

Hospitalist Physician · San Antonio, TX

Claudia Y. Santos, M.D. is a hospitalist physician with a practice address in San Antonio, Texas, and NPI 1013192970, issued on Jan 9, 2008. Check the license (Texas N3289, 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
1013192970
Name
Claudia Y. Santos
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
N3289 TX
Self-reported in NPPES; status is on the state search
Practice location
530 San Pedro Ave, San Antonio, TX 78212
Phone
(210) 225-4511
Enumerated
Jan 9, 2008
Record last updated
Mar 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(210) 225-4514
Medicare enrollment
Enrolled (PECOS I20090916000437); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 530 San Pedro Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lacey Anderson, LPCProfessional Counselor1912153727
  2. Benito Enriquez, PA-CPhysician Assistant1619954369
  3. Diane Frei, LPCMental Health Counselor1760615892
  4. Swapna Ghattamaneni, MDHospitalist Physician1063648277
  5. Matthew Gibbs, M.D.Family Medicine Physician1568554756
  6. Andrine Grant, M.D.Family Medicine Physician1356310908

Verify Claudia Y. Santos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N3289
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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36% more Medicare Part D claims than the average hospitalist physician in 2024

707 Medicare Part D claims for 233 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Claudia Santos707
  2. Specialty average521

Most prescribed

  1. Clopidogrel38 claims
  2. Eliquis35 claims
  3. Furosemide34 claims
  4. Atorvastatin Calcium33 claims
  5. Potassium Chloride26 claims
  6. Amoxicillin-Clavulanate Potass23 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

  1. Physician Primecare, IncSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Claudia Y. Santos among 1,587 hospitalist physician records in Texas

Claudia Y. Santos, M.D. is one of 1,587 hospitalist physician records with a practice address in Texas. 90% 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 19% of them.

  • NPI issued2008 · 19% of these records are older, 76% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2006 · median 2013 among the 1,298 with a school on file
  • Record last updated2019 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Texas

There are 1,587 hospitalist physician records in Texas.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Swapna Ghattamaneni, MDSan Antonio, TX 782121063648277
  2. Lisa Leffler, MDSan Antonio, TX 782121295980274
  3. Edwin Otero Rivera, MD, MPHSan Antonio, TX 782121740704303
  4. Gregory Page, MDSan Antonio, TX 782121598731960
  5. Igor Legostaev, M.D.San Antonio, TX 782091982634648
  6. Samuel Neeley, M.D.San Antonio, TX 782161265431415
  7. Bishal Sinha, MDSan Antonio, TX 782161083881932
  8. Angelica Chavez, MDSan Antonio, TX 782071306852405

Common questions

What is Claudia Y. Santos, M.D.'s NPI number?

Claudia Y. Santos, M.D.'s National Provider Identifier (NPI) is 1013192970, issued on Jan 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Claudia Y. Santos, M.D. located?

The NPPES record lists a practice address at 530 San Pedro Ave, San Antonio, TX, 78212. Phone: (210) 225-4511. Providers update this record themselves, so call before visiting.

How can I verify Claudia Y. Santos, M.D.'s license?

NPPES lists Texas license number N3289, 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 Claudia Y. Santos, M.D. prescribe under Medicare Part D?

In 2024, Claudia Y. Santos, M.D. had 707 Medicare Part D claims for 233 beneficiaries; the average among hospitalist physician prescribers was 521. 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.