Ratnaja Katneni, MD
NPI 1790887610ActiveIndividual· Internal Medicine, Nephrology· Newport Beach, CA
Internal Medicine, Nephrology (MD) in Newport Beach, California, licensed in CA, with an NPI issued in September 2006. 257 Medicare patients in 2024, $223,759 paid; nearly all of their 652 Part D prescriptions were generic (90%). Ardelyx, Inc. reported $20.22 in payments in 2025, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790887610 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 1, 2006 |
| Last updated in NPPES | Mar 19, 2024 |
| Certified by provider | Mar 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C134129 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 2,400 across 28 procedure codes |
| Paid by Medicare | $223,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 652 · 1,179 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $124,105 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Davita Newport Irvine DialysisDialysis facility · Newport Beach, CA
- Fmc-Newport Superior DialysisDialysis facility · Newport Beach, CA
- Fresenius Medical Care Santa Ana DialysisDialysis facility · Santa Ana, CA
- Rai-East First-TustinDialysis facility · Tustin, CA
Industry payments (Open Payments)
- 2025$20.22 · 1 payment from 1 company
- 2024$34.48 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $20.22 | 1 |
What the 2025 payments were for
- Food and Beverage$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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