Megan Jean Walker, M.D.
NPI 1124384326ActiveIndividual· Internal Medicine, Gastroenterology· Indianapolis, IN
Internal Medicine, Gastroenterology (M.D.) with Iu Health Medical Group LLC, practicing in Indianapolis, Indiana. Their prescriptions cost Medicare Part D more than their services did: $792,500 for 434 claims, against $16,899 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $134.71 in all, mostly food and beverage. Lists Indiana University Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1124384326 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 2, 2012 |
| Last updated in NPPES | Mar 14, 2025 |
| Certified by provider | Mar 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 01076578A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 156 across 24 procedure codes |
| Paid by Medicare | $16,899 |
Part D prescriptions in 2024
| Prescriptions (claims) | 434 · 717 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $792,500 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health Arnett HospitalLafayette, IN
Industry payments (Open Payments)
- 2025$134.71 · 7 payments from 3 companies
- 2024$401.07 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $71.02 | 4 |
| Lilly USA, LLC | $47.68 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $16.01 | 1 |
What the 2025 payments were for
- Food and Beverage$134.71 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 140 gastroenterologists in Indianapolis · All gastroenterologists in Indiana