Damayanthi Durairaj, M.D.
NPI 1508829714ActiveIndividual· General Practice· San Bernardino, CA
General Practice (M.D.) with San Marcos Medical Group Inc, practicing in San Bernardino, California. Their prescriptions cost Medicare Part D more than their services did: $92,169 for 1,743 claims, against $57,065 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $47.10 in all, mostly food and beverage.
Overview
| NPI | 1508829714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Oct 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 00A39805 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 245 |
|---|---|
| Services billed | 847 across 15 procedure codes |
| Paid by Medicare | $57,065 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,743 · 3,818 30-day fills |
|---|---|
| Patients | 376 |
| Total drug cost | $92,169 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1973 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- San Marcos Medical Group IncFontana, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$47.10 · 3 payments from 2 companies
- 2024$70.71 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $32.97 | 2 |
| Hologic Sales and Service, LLC | $14.13 | 1 |
What the 2025 payments were for
- Food and Beverage$47.10 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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