Narayanaiyengar Ramanna Devaraj, MD
NPI 1639133960ActiveIndividual· Internal Medicine, Cardiovascular Disease· Anaheim, CA
Internal Medicine, Cardiovascular Disease (MD) in Anaheim, California, licensed in CA, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $943,546 for 4,295 claims, against $226,328 paid for services in 2024. Bridgebio Pharma, Inc. was the largest of 7 companies reporting payments in 2025, $340.25 in all, mostly food and beverage. Lists Ahmc Anaheim Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639133960 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 13, 2006 |
| Last updated in NPPES | Oct 8, 2020 |
| Certified by provider | Oct 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A34201 | 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 | 664 |
|---|---|
| Services billed | 2,927 across 38 procedure codes |
| Paid by Medicare | $226,328 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,295 · 10,274 30-day fills |
|---|---|
| Patients | 304 |
| Total drug cost | $943,546 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Hospital affiliations
- Ahmc Anaheim Regional Medical CenterAnaheim, CA
- Anaheim Global Medical CenterAnaheim, CA
- Garden Grove Hospital & Medical CenterGarden Grove, CA
- Providence St. Jude Medical CenterFullerton, CA
- West Anaheim Medical CenterAnaheim, CA
Other facilities
- Prolife Home Health CorporationHome health agency · Pomona, CA
Industry payments (Open Payments)
- 2025$340.25 · 12 payments from 7 companies
- 2024$336.01 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bridgebio Pharma, Inc. | $119.48 | 1 |
| Astrazeneca Pharmaceuticals LP | $90.34 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $46.63 | 2 |
| Merck Sharp & Dohme LLC | $37.96 | 2 |
| Edwards Lifesciences Corporation | $16.60 | 1 |
What the 2025 payments were for
- Food and Beverage$340.25 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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