Harish K. Gagneja, MD
NPI 1235114786ActiveIndividual· Internal Medicine, Gastroenterology· Austin, TX
Internal Medicine, Gastroenterology (MD) with Austin Gastroenterology PLLC, practicing in Austin, Texas. Their prescriptions cost Medicare Part D more than their services did: $681,123 for 1,366 claims, against $125,074 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 20 companies reporting payments in 2025, $44,385 in all, mostly speaking and faculty fees. Lists St David's Medical Center as a hospital affiliation.
Overview
| NPI | 1235114786 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 7, 2005 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | L0184 | 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 | 580 |
|---|---|
| Services billed | 1,159 across 42 procedure codes |
| Paid by Medicare | $125,074 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,366 · 3,035 30-day fills |
|---|---|
| Patients | 488 |
| Total drug cost | $681,123 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Austin Gastroenterology PLLCRound Rock, TX · 76 clinicians
Hospital affiliation
- St David's Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$44,385 · 192 payments from 20 companies
- 2024$123,520 · 278 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $25,449 | 29 |
| Abbvie Inc. | $11,573 | 46 |
| Pfizer Inc. | $4,336 | 30 |
| Janssen Biotech, Inc. | $503.15 | 14 |
| Ipsen Biopharmaceuticals, Inc | $318.22 | 10 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$25,975 · 10 payments
- Food and Beverage$7,024 · 169 payments
- Travel and Lodging$5,973 · 10 payments
- Consulting Fee$5,413 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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