Geetha Narayan, MD
NPI 1386625754ActiveIndividual· Internal Medicine, Nephrology· Napa, CA
Internal Medicine, Nephrology (MD) with Nagarathna G Manjappa M D Inc, practicing in Napa, California. Mostly services rather than prescriptions: Medicare paid $7,893 for 52 patients in 2024, with only 17 Part D claims. Amgen Inc. reported $274.40 in payments in 2025, mostly food and beverage. Lists Providence Queen of the Valley Medical Center as a hospital affiliation.
Overview
| NPI | 1386625754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 10, 2005 |
| Last updated in NPPES | Jan 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 43466 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 75 across 3 procedure codes |
| Paid by Medicare | $7,893 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 47 30-day fills |
|---|---|
| Total drug cost | $75.48 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nagarathna G Manjappa M D IncNapa, CA · 4 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$274.40 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $274.40 | 2 |
What the 2025 payments were for
- Food and Beverage$274.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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