Stephanie Anderson Tassin, M.D.
NPI 1649658907ActiveIndividual· Emergency Medicine· Fort Sam Houston, TX
Emergency Medicine (M.D.) in Fort Sam Houston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2015). 449 Medicare patients in 2024, $64,597 paid; nearly all of their 422 Part D prescriptions were generic (95%). Vertex Pharmaceuticals Incorporated was the largest of 2 companies reporting payments in 2025, $62.55 in all, mostly food and beverage.
Overview
| NPI | 1649658907 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2015 |
| Last updated in NPPES | Aug 19, 2026 |
| Certified by provider | Aug 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | R3763 | TX |
| General Practice | 208D00000X | 29772 | NE |
| Emergency Medicine | 207P00000X | DR.0076855 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CO); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 449 |
|---|---|
| Services billed | 1,224 across 59 procedure codes |
| Paid by Medicare | $64,597 |
Part D prescriptions in 2024
| Prescriptions (claims) | 422 · 422 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $7,662 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Usacs Community Emergency Services of Colorado Inc.Arvada, CO · 175 clinicians
- Legacy Urgent Care PAFrisco, TX · 159 clinicians
- Usacs of Colorado IncLittleton, CO · 59 clinicians
- Premier Emergency Services IncWestminster, CO · 12 clinicians
Hospital affiliations
- Ascension ProvidenceWaco, TX
- Centura Health-St Anthony HospitalLakewood, CO
- Centura Health-St Anthony North Health CampusWestminster, CO
Industry payments (Open Payments)
- 2025$62.55 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $34.43 | 1 |
| Spr Therapeutics, Inc | $28.12 | 2 |
What the 2025 payments were for
- Food and Beverage$62.55 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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