NPPES file of Aug 9, 2026

Stephanie Anderson Tassin, M.D.

Emergency Medicine Physician · Fort Sam Houston, TX

Stephanie Anderson Tassin, M.D. is an emergency medicine physician with a practice address in Fort Sam Houston, Texas, and NPI 1649658907, issued on May 7, 2015. Check the license (Texas R3763, 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
1649658907
Name
Stephanie Anderson Tassin
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
R3763 TX
29772 NE
Self-reported in NPPES; status is on the state search
Practice location
3551 Roger Brooke Drive, Fort Sam Houston, TX 78234
Phone
(210) 916-0808
Enumerated
May 7, 2015
Record last updated
Aug 28, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190808002918); may accept Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2015
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 emergency medicine physician records → All 4,885 in Texas → Look up another NPI →

Also registered at 3551 Roger Brooke Drive

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

  1. Alexandra Adams, MDSurgery Physician1457849853
  2. James Albright, MD, SCMGeneral Practice Physician1356183149
  3. Katherine Baker, DOOphthalmology Physician1588041503
  4. Deanna Denman, PHDPsychologist1275018558
  5. David Ediger, MDEmergency Medicine Physician1669003026
  6. Cayla Fappiano, MDEmergency Medicine Physician1821682584

Verify Stephanie Anderson Tassin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R3763    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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87% more Medicare Part D claims than the average emergency medicine physician in 2024

422 Medicare Part D claims for 279 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 47 claims were for opioids.

  1. Stephanie Tassin422
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt55 claims
  2. Cefuroxime44 claims
  3. Hydrocodone-Acetaminophen41 claims
  4. Prednisone25 claims
  5. Azithromycin23 claims
  6. Levofloxacin16 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. Legacy Urgent Care PATemple, TX

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

Stephanie Anderson Tassin among 4,885 emergency medicine physician records in Texas

Stephanie Anderson Tassin, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 67% of them.

  • NPI issued2015 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2015 · median 2013 among the 2,779 with a school on file
  • Record last updated2019 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 emergency medicine physician records list a practice address in Fort Sam Houston

They are 84 of the 2,124 NPPES records with a practice address in Fort Sam Houston, and 4,885 emergency medicine physician records in Texas.

All 4,885 in Texas → Every provider in Fort Sam Houston → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Eric Chin, M.D.Fort Sam Houston, TX 782341447240411
  2. Marc Daymude, M.D.Fort Sam Houston, TX 782341821089806
  3. Gary Dufresne, DOFort Sam Houston, TX 782341689664930
  4. David Foss, MDSan Antonio, TX 782341669454880
  5. Guyon Hill, M.D.Fort Sam Houston, TX 782341629059316
  6. Michael Hilliard, MDFort Sam Houston, TX 782341538140397
  7. Curtis Hunter, M.D.Fort Sam Houston, TX 782341447241427
  8. Sean Meadows, M.D.Fort Sam Houston, TX 782341770560039

Common questions

What is Stephanie Anderson Tassin, M.D.'s NPI number?

Stephanie Anderson Tassin, M.D.'s National Provider Identifier (NPI) is 1649658907, issued on May 7, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Anderson Tassin, M.D. located?

The NPPES record lists a practice address at 3551 Roger Brooke Drive, Fort Sam Houston, TX, 78234. Phone: (210) 916-0808. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Anderson Tassin, M.D.'s license?

NPPES lists Texas license number R3763, 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 Stephanie Anderson Tassin, M.D. prescribe under Medicare Part D?

In 2024, Stephanie Anderson Tassin, M.D. had 422 Medicare Part D claims for 279 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

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.