Ramdas Nanda Kumar, M.D.
NPI 1669631248ActiveIndividual· Internal Medicine, Nephrology· Thousand Oaks, CA
Internal Medicine, Nephrology (M.D.) in Thousand Oaks, California, trained at St. Louis College of Physicians and Surgeons (class of 2005). In 2024 Medicare paid $539,819 for 1,011 patients, and Part D covered 2,176 of their prescriptions, 77% of them generic. Amgen Inc. was the largest of 20 companies reporting payments in 2025, $5,462 in all, mostly consulting fees.
Overview
| NPI | 1669631248 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2008 |
| Last updated in NPPES | Apr 10, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A115199 | CA |
| Internal Medicine | 207R00000X | A115199 | 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 - Nephrology (CA); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,011 |
|---|---|
| Services billed | 7,347 across 27 procedure codes |
| Paid by Medicare | $539,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,176 · 4,762 30-day fills |
|---|---|
| Patients | 312 |
| Total drug cost | $660,144 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | St. Louis College of Physicians and Surgeons |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Renal Consultants Medical GroupGranada Hills, CA · 9 clinicians
Hospital affiliations
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- Northridge Hospital Medical CenterNorthridge, CA
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Davita Moorpark Dialysis CenterDialysis facility · Moorpark, CA
- Fmc-Conejo Valley Renal CenterDialysis facility · Thousand Oaks, CA
- Srs-Thousand Oaks DialysisDialysis facility · Thousand Oaks, CA
- Woodland Hills DialysisDialysis facility · Woodland Hills, CA
Industry payments (Open Payments)
- 2025$5,462 · 77 payments from 20 companies
- 2024$2,549 · 75 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $3,874 | 16 |
| Astrazeneca Pharmaceuticals LP | $450.37 | 18 |
| Novartis Pharmaceuticals Corporation | $198.16 | 7 |
| Abbvie Inc. | $125.00 | 1 |
| Alexion Pharmaceuticals, Inc. | $97.85 | 3 |
What the 2025 payments were for
- Consulting Fee$3,285 · 1 payment
- Food and Beverage$2,166 · 75 payments
- Education$10.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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