Lisa C. Ellis, M.D.
NPI 1497774020ActiveIndividual· Internal Medicine, Infectious Disease· Austin, TX
Internal Medicine, Infectious Disease (M.D.) in Austin, Texas, trained at Baylor College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $2,432,013 for 1,100 claims, against $175,706 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 8 companies reporting payments in 2025, $389.71 in all, mostly food and beverage.
Overview
| NPI | 1497774020 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jul 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | H9204 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 7,146 across 24 procedure codes |
| Paid by Medicare | $175,706 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,100 · 1,223 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $2,432,013 |
| Generic share | 38% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Austin Infectious Disease Consultants, PA 080191Austin, TX · 11 clinicians
Industry payments (Open Payments)
- 2025$389.71 · 17 payments from 8 companies
- 2024$304.06 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $120.21 | 4 |
| Gilead Sciences, Inc. | $70.76 | 3 |
| Octapharma USA, Inc. | $51.27 | 3 |
| Hospira, Inc. | $43.62 | 2 |
| Insmed, Inc. | $40.88 | 2 |
What the 2025 payments were for
- Food and Beverage$389.71 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Infectious Disease providers in Austin
- 1205947710
- 1780813899
- 1013397066
- 1881250488
- 1407874027
- 1710373428
- 1538129481
- 1073675401
- 1972666949
- 1396769543
- 1205715372
- 1639331226
All Internal Medicine, Infectious Disease providers in Texas →