NPPES file of Aug 9, 2026

Sherwin Stephen Hsu, M.D.

Internal Medicine Physician · San Antonio, TX

Sherwin Stephen Hsu, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1366679763, issued on Jun 12, 2009. Check the license (Texas P5081, 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
1366679763
Name
Sherwin Stephen Hsu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
P5081 TX
Self-reported in NPPES; status is on the state search
Practice location
7703 Floyd Curl Dr # MC7982, San Antonio, TX 78229
Phone
(210) 567-4815
Enumerated
Jun 12, 2009
Record last updated
Dec 20, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
323275301 TX
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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Also registered at 7703 Floyd Curl Dr # MC7982

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

  1. Joshua Hanson, M.D.Hospitalist Physician1992948681
  2. Monzerrat Luevano, NPAcute Care Nurse Practitioner1356949325

Verify Sherwin Stephen Hsu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P5081
    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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

48 Medicare Part D claims for 16 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Sherwin Hsu48
  2. Specialty average3,176

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.

Sherwin Stephen Hsu among 9,175 internal medicine physician records in Texas

Sherwin Stephen Hsu, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2013 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jeremias Abueme, M.D.San Antonio, TX 782291891790960
  2. Richard Clemons, MDSan Antonio, TX 782291740282664
  3. Serina Flores, M.D.San Antonio, TX 782291528058203
  4. John Galan, MDSan Antonio, TX 782291528069440
  5. Juan Gonzalez, MDSan Antonio, TX 782291659370963
  6. Bradley Kayser, MDSan Antonio, TX 782291285635110
  7. Michelle Medellin, M.D.San Antonio, TX 782291770571614
  8. Thomas Mieras, MDSan Antonio, TX 782291578564787

Common questions

What is Sherwin Stephen Hsu, M.D.'s NPI number?

Sherwin Stephen Hsu, M.D.'s National Provider Identifier (NPI) is 1366679763, issued on Jun 12, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Sherwin Stephen Hsu, M.D. located?

The NPPES record lists a practice address at 7703 Floyd Curl Dr # MC7982, San Antonio, TX, 78229. Phone: (210) 567-4815. Providers update this record themselves, so call before visiting.

How can I verify Sherwin Stephen Hsu, M.D.'s license?

NPPES lists Texas license number P5081, 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 Sherwin Stephen Hsu, M.D. prescribe under Medicare Part D?

In 2024, Sherwin Stephen Hsu, M.D. had 48 Medicare Part D claims for 16 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.