Nirupa Vignarajan, M.D.
NPI 1073514261ActiveIndividual· Internal Medicine· Glendale, CA
Internal Medicine (M.D.) in Glendale, California, licensed in CA, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $996,673 for 11,819 claims, against $125,087 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $185.08 in all, mostly food and beverage. Lists Glendale Adventist Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1073514261 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | Aug 1, 2022 |
| Certified by provider | Aug 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A54107 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 299 |
|---|---|
| Services billed | 1,897 across 20 procedure codes |
| Paid by Medicare | $125,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,819 · 18,878 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $996,673 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Glendale Mem Hospital & Hlth CenterGlendale, CA
- Providence Saint Joseph Medical CtrBurbank, CA
Other facilities
- On Time Health Care, IncHome health agency · Glendale, CA
Industry payments (Open Payments)
- 2025$185.08 · 9 payments from 2 companies
- 2024$121.81 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $150.14 | 8 |
| Ardelyx, Inc. | $34.94 | 1 |
What the 2025 payments were for
- Food and Beverage$185.08 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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