NPPES file of Aug 9, 2026

Alvin Michael Shih, D.O.

Internal Medicine Physician · San Antonio, TX

Alvin Michael Shih, D.O. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1689052037, issued on May 18, 2015. Check the license (Texas R7327, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689052037
Name
Alvin Michael Shih
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R7327 TX
Self-reported in NPPES; status is on the state search
Practice location
1139 E Sonterra Blvd, San Antonio, TX 78258
Phone
(210) 638-2000
Enumerated
May 18, 2015
Record last updated
Apr 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181203001681); accepts Medicare assignment
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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8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Also registered at 1139 E Sonterra Blvd

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

  1. Mina Agaaybi, PHARMACISTPharmacist1851185078
  2. James Aleman, OTR, C/NDTOccupational Therapist1801456520
  3. Maria Janette Baking, PT, DPT, GCSGeriatric Physical Therapist1487134615
  4. Connie Barker, F.N.P.Family Nurse Practitioner1184628638
  5. Vernon Benson, M.D.Internal Medicine Physician1487638011
  6. Jennifer Brody, MDPulmonary Disease Physician1609862127

Verify Alvin Michael Shih in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R7327    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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Bills Medicare through one group practice

  1. Hospital Medicine Services OF TX, PLLCSan Antonio, TX

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

Alvin Michael Shih among 9,175 internal medicine physician records in Texas

Alvin Michael Shih, D.O. 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 2015, is newer than 71% of them.

  • NPI issued2015 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2015 · median 2004 among the 6,088 with a school on file
  • Record last updated2019 · 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. William Atlas, M.D.San Antonio, TX 782581902881535
  2. Vernon Benson, M.D.San Antonio, TX 782581487638011
  3. David Bird, M.D.San Antonio, TX 782581346468246
  4. John Dickson, M.D.San Antonio, TX 782581154467116
  5. George Ford III, M.D.F.A.C.P.San Antonio, TX 782581841275443
  6. Timothy Hernandez, MDSan Antonio, TX 782581851495584
  7. Kevin Horton, M.D.San Antonio, TX 782581710962972
  8. Yolanda Marcos, MDSan Antonio, TX 782581104845445

Common questions

What is Alvin Michael Shih, D.O.'s NPI number?

Alvin Michael Shih, D.O.'s National Provider Identifier (NPI) is 1689052037, issued on May 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alvin Michael Shih, D.O. located?

The NPPES record lists a practice address at 1139 E Sonterra Blvd, San Antonio, TX, 78258. Phone: (210) 638-2000. Providers update this record themselves, so call before visiting.

How can I verify Alvin Michael Shih, D.O.'s license?

NPPES lists Texas license number R7327, 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.

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.