Nagendra V. Myneni, MD
NPI 1649238643ActiveIndividual· Internal Medicine, Gastroenterology· Clive, IA
Internal Medicine, Gastroenterology (MD) with Wellmont Medical Associates Inc and 2 other groups, practicing in Clive, Iowa. Their prescriptions cost Medicare Part D more than their services did: $248,954 for 921 claims, against $88,674 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 16 companies reporting payments in 2025, $14,944 in all, mostly speaking and faculty fees. Lists Clarke County Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1649238643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Nov 4, 2024 |
| Certified by provider | Nov 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35292 | IA |
| Internal Medicine, Gastroenterology | 207RG0100X | 72285 | 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 (IA); Practitioner - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 326 |
|---|---|
| Services billed | 2,389 across 55 procedure codes |
| Paid by Medicare | $88,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 921 · 1,571 30-day fills |
|---|---|
| Patients | 319 |
| Total drug cost | $248,954 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Wellmont Medical Associates IncKingsport, TN · 433 clinicians
- Clarke County Public HospitalOsceola, IA · 43 clinicians
- Iowa Digestive Disease Center PCClive, IA · 24 clinicians
Hospital affiliations
- Clarke County HospitalOsceola, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
- Wellmont Holston Valley Medical CenterKingsport, TN
Industry payments (Open Payments)
- 2025$14,944 · 88 payments from 16 companies
- 2024$23,058 · 104 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $13,271 | 18 |
| Janssen Biotech, Inc. | $357.81 | 14 |
| Madrigal Pharmaceuticals | $324.39 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $182.75 | 14 |
| Abbvie Inc. | $157.82 | 14 |
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$12,470 · 7 payments
- Food and Beverage$2,397 · 79 payments
- Travel and Lodging$77.28 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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