Anthony Rajasingham, MD
NPI 1619400777ActiveIndividual· Internal Medicine· Colton, CA
Internal Medicine (MD) with Southern California Permanente Medical Group, practicing in Colton, California. Their prescriptions cost Medicare Part D more than their services did: $47,714 for 691 claims, against $5,213 paid for services in 2024. Lists Kaiser Foundation Hospital Fontana/Ontario as a hospital affiliation.
Overview
| NPI | 1619400777 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 6, 2017 |
| Last updated in NPPES | Dec 23, 2021 |
| Certified by provider | Dec 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A165844 | 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 | 27 |
|---|---|
| Services billed | 72 across 5 procedure codes |
| Paid by Medicare | $5,213 |
Part D prescriptions in 2024
| Prescriptions (claims) | 691 · 1,460 30-day fills |
|---|---|
| Patients | 170 |
| Total drug cost | $47,714 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Colton
- 1144256900
- 1174861876
- 1205396231
- 1265703847
- 1285165076
- 1295189850
- 1306309273
- 1336202266
- 1396784740
- 1407395197
- 1437103322
- 1518595123
All 71 internal medicine physicians in Colton · All internal medicine physicians in California