Ellis Ducdat Doan, M.D.
NPI 1124280805ActiveIndividual· Internal Medicine· Austin, TX
Internal Medicine (M.D.) in Austin, Texas, trained at University of Texas Medical Branch at Galveston (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $137,731 for 1,950 claims, against $60,947 paid for services in 2024. Supernus Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $186.35 in all, mostly food and beverage.
Overview
| NPI | 1124280805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2008 |
| Last updated in NPPES | Feb 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | N9695 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 744 across 22 procedure codes |
| Paid by Medicare | $60,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,950 · 2,092 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $137,731 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Medical groups
- Hospital Internists of Texas LLCAustin, TX · 47 clinicians
- Healthdrive Medical Services of Texas LLCFort Worth, TX · 42 clinicians
Hospital affiliations
- Ascension Seton Medical Center AustinAustin, TX
- St David's Medical CenterAustin, TX
Other facilities
- St. David's Hospice & Family CareHospice · Austin, TX
- Suncrest HospiceHospice · Austin, TX
- Vista Ridge Senior CareNursing home · Lakeway, TX
Industry payments (Open Payments)
- 2025$186.35 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Supernus Pharmaceuticals, Inc. | $120.13 | 1 |
| Collegium Pharmaceutical, Inc. | $24.70 | 1 |
| Tris Pharma Inc | $21.75 | 1 |
| Abbvie Inc. | $19.77 | 1 |
What the 2025 payments were for
- Food and Beverage$186.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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