Nima Naimi, D.O.
NPI 1740424712ActiveIndividual· Internal Medicine, Nephrology· Upland, CA
Internal Medicine, Nephrology (D.O.) with Nephrology Associates of Upland and Pomona, practicing in Upland, California. Their prescriptions cost Medicare Part D more than their services did: $897,569 for 3,126 claims, against $297,694 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $39.14 in all, mostly food and beverage. Lists Chino Valley Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1740424712 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 22, 2009 |
| Last updated in NPPES | Aug 2, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A11485 | 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 | 444 |
|---|---|
| Services billed | 4,551 across 20 procedure codes |
| Paid by Medicare | $297,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,126 · 6,861 30-day fills |
|---|---|
| Patients | 474 |
| Total drug cost | $897,569 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates of Upland and PomonaUpland, CA · 6 clinicians
Hospital affiliations
- Chino Valley Medical CenterChino, CA
- Montclair Hospital Medical CenterMontclair, CA
- Pomona Valley Hospital Medical CenterPomona, CA
- San Antonio Regional HospitalUpland, CA
Other facilities
- Davita Colton Ranch DialysisDialysis facility · Colton, CA
- Davita Fontana DialysisDialysis facility · Fontana, CA
- Davita Glendora Foothills DialysisDialysis facility · Glendora, CA
- Davita Rancho Cucamonga Home TrainingDialysis facility · Rancho Cucamonga, CA
Industry payments (Open Payments)
- 2025$39.14 · 3 payments from 2 companies
- 2024$561.64 · 22 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.14 | 2 |
| Novo Nordisk Inc | $19.00 | 1 |
What the 2025 payments were for
- Food and Beverage$39.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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