Parthassarathy Chetlur Raguram, MD,MRCPI,FASN
NPI 1629056460ActiveIndividual· Internal Medicine, Nephrology· Roseville, CA
Internal Medicine, Nephrology (MD,MRCPI,FASN) in Roseville, California, licensed in CA, WA, SC and OR, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $346,465 for 1,496 claims, against $52,428 paid for services in 2024. Genentech USA, Inc. was the largest of 4 companies reporting payments in 2025, $5,153 in all, mostly consulting fees.
Overview
| NPI | 1629056460 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD,MRCPI,FASN |
| Sole proprietor | No |
| NPI issued | Jan 3, 2006 |
| Last updated in NPPES | Aug 6, 2025 |
| Certified by provider | Aug 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C198750 | CA |
| Internal Medicine | 207R00000X | MD00046042 | WA |
| Internal Medicine, Nephrology | 207RN0300X | MD00046042 | WA |
| Internal Medicine, Nephrology | 207RN0300X | 35551 | SC |
| Internal Medicine, Nephrology | 207RN0300X | MD22973 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA); Practitioner - Nephrology (OR); Practitioner - Nephrology (SC); Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 407 across 17 procedure codes |
| Paid by Medicare | $52,428 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,496 · 2,866 30-day fills |
|---|---|
| Patients | 253 |
| Total drug cost | $346,465 |
| Generic share | 74% of claims |
Industry payments (Open Payments)
- 2025$5,153 · 10 payments from 4 companies
- 2024$141.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $5,055 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $45.75 | 2 |
| Calliditas Therapeutics US Inc. | $35.82 | 1 |
| Amgen Inc. | $16.30 | 1 |
What the 2025 payments were for
- Consulting Fee$4,950 · 1 payment
- Food and Beverage$155.00 · 6 payments
- Travel and Lodging$47.87 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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