Raj Indru Narayani, MD
NPI 1407821200ActiveIndividual· Internal Medicine, Gastroenterology· Knoxville, TN
Internal Medicine, Gastroenterology (MD) in Knoxville, Tennessee, trained at Vanderbilt University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $769,387 for 956 claims, against $173,192 paid for services in 2024. Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $50,764 in all, mostly speaking and faculty fees.
Overview
| NPI | 1407821200 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 23, 2006 |
| Last updated in NPPES | May 4, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD38896 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 531 |
|---|---|
| Services billed | 4,395 across 47 procedure codes |
| Paid by Medicare | $173,192 |
Part D prescriptions in 2024
| Prescriptions (claims) | 956 · 1,697 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $769,387 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Gastroenterology |
Medical group
- Gastrointestinal Associates PCKnoxville, TN · 33 clinicians
Hospital affiliations
- Fort Sanders Regional Medical CenterKnoxville, TN
- Parkwest Medical CenterKnoxville, TN
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$50,764 · 56 payments from 5 companies
- 2024$43,188 · 80 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $50,471 | 48 |
| Janssen Biotech, Inc. | $231.34 | 5 |
| Ferring Pharmaceuticals Inc. | $23.67 | 1 |
| Celltrion USA Inc. | $21.04 | 1 |
| Lilly USA, LLC | $16.88 | 1 |
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$48,875 · 15 payments
- Food and Beverage$686.51 · 32 payments
- Travel and Lodging$627.20 · 8 payments
- Consulting Fee$575.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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