Rishu Marwaha, MD
NPI 1457490294ActiveIndividual· Internal Medicine· Pomona, CA
Internal Medicine (MD) with Southern California Permanente Medical Group, practicing in Pomona, California. Their prescriptions cost Medicare Part D more than their services did: $757,449 for 8,585 claims, against $83,551 paid for services in 2024. Abbott Laboratories reported $44.99 in payments in 2025, mostly food and beverage. Lists Kaiser Foundation Hospital Fontana/Ontario as a hospital affiliation.
Overview
| NPI | 1457490294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 6, 2007 |
| Last updated in NPPES | May 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A91336 | 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 | 244 |
|---|---|
| Services billed | 916 across 32 procedure codes |
| Paid by Medicare | $83,551 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,585 · 19,137 30-day fills |
|---|---|
| Patients | 569 |
| Total drug cost | $757,449 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
Industry payments (Open Payments)
- 2025$44.99 · 3 payments from 1 company
- 2024$813.99 · 33 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $44.99 | 3 |
What the 2025 payments were for
- Food and Beverage$44.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 internal medicine physicians in Pomona · All internal medicine physicians in California