Kenneth K. Ellis, M.D.
NPI 1114902228ActiveIndividual· Internal Medicine, Gastroenterology· Austin, TX
Internal Medicine, Gastroenterology (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: $905,876 for 2,078 claims, against $133,346 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $378.02 in all, mostly food and beverage.
Overview
| NPI | 1114902228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 12, 2005 |
| Last updated in NPPES | Feb 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | H9203 | 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 - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 812 |
|---|---|
| Services billed | 1,319 across 25 procedure codes |
| Paid by Medicare | $133,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,078 · 4,258 30-day fills |
|---|---|
| Patients | 672 |
| Total drug cost | $905,876 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Austin Gastroenterology PLLCRound Rock, TX · 76 clinicians
Hospital affiliations
- North Austin Medical CenterAustin, TX
- St David's Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$378.02 · 22 payments from 7 companies
- 2024$328.88 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $250.93 | 15 |
| Pfizer Inc. | $28.65 | 2 |
| Genzyme Corporation | $24.64 | 1 |
| Mauna Kea Technologies, Inc. | $21.98 | 1 |
| Ardelyx, Inc. | $21.21 | 1 |
What the 2025 payments were for
- Food and Beverage$378.02 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 gastroenterologists in Austin · All gastroenterologists in Texas