NPPES file of Aug 9, 2026

Jason S. Fish, MD, MSHS

Internal Medicine Physician · Dallas, TX

Jason S. Fish, MD, MSHS is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1225180680, issued on Jan 17, 2007. Check the license (Texas P0382, 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
1225180680
Name
Jason S. Fish
Credential
MD, MSHS
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
P0382 TX
A90442 CA
Self-reported in NPPES; status is on the state search
Practice location
UT Southwestern Medical Ctr, Dallas, TX 75390
Phone
(214) 648-2383
Enumerated
Jan 17, 2007
Record last updated
Apr 26, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
00A904420 CA
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.
Download card Updates feed

Also registered at UT Southwestern Medical Ctr

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

  1. Amy Barton, MDPediatrics Physician1629131784
  2. Deniz Basci, M.D.Internal Medicine Physician1194084327
  3. John Cather, M.D.Psychiatry Physician1376766055
  4. Sharon ChongPhysical Medicine & Rehabilitation Physician1225321540
  5. Shaina Drummond, M.D.Anesthesiology Physician1407976459
  6. Ramin Farzaneh-Far, M.D.Cardiovascular Disease Physician1518904556

Verify Jason S. Fish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P0382
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

72 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jason Fish72
  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.

956 internal medicine physician records list a practice address in Dallas

They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  8. Obinna Abaribe, M.DMansfield, TX1457704355
  9. Enyinnaya Abarikwu, MDTyler, TX1174788178
  10. Sulaiman Abawi, D.O.Frisco, TX1780845255

Common questions

What is Jason S. Fish, MD, MSHS's NPI number?

Jason S. Fish, MD, MSHS's National Provider Identifier (NPI) is 1225180680, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jason S. Fish, MD, MSHS located?

The NPPES record lists a practice address at UT Southwestern Medical Ctr, Dallas, TX, 75390. Phone: (214) 648-2383. Providers update this record themselves, so call before visiting.

How can I verify Jason S. Fish, MD, MSHS's license?

NPPES lists Texas license number P0382, 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 Jason S. Fish, MD, MSHS prescribe under Medicare Part D?

In 2024, Jason S. Fish, MD, MSHS had 72 Medicare Part D claims for 38 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.