Mythili Nagaraj, M.D.
NPI 1225122674ActiveIndividual· Internal Medicine· Fullerton, CA
Internal Medicine (M.D.) with Amplehealth, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $25,578 for 612 claims, against $16,905 paid for services in 2024. Exact Sciences Corporation was the largest of 11 companies reporting payments in 2025, $275.27 in all, mostly food and beverage. Lists Sutter Medical Center, Sacramento as a hospital affiliation.
Overview
| NPI | 1225122674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | May 24, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | C52265 | CA |
| Internal Medicine | 207R00000X | 36300 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 243 across 14 procedure codes |
| Paid by Medicare | $16,905 |
Part D prescriptions in 2024
| Prescriptions (claims) | 612 · 1,117 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $25,578 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- AmplehealthSacramento, CA · 7 clinicians
Hospital affiliation
- Sutter Medical Center, SacramentoSacramento, CA
Industry payments (Open Payments)
- 2025$275.27 · 12 payments from 11 companies
- 2024$217.55 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $34.93 | 2 |
| Janssen Pharmaceuticals, Inc | $30.82 | 1 |
| Mayne Pharma Commercial LLC | $29.92 | 1 |
| Pfizer Inc. | $29.54 | 1 |
| Novo Nordisk Inc | $27.59 | 1 |
What the 2025 payments were for
- Food and Beverage$275.27 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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