Kamyar Kalantar-Zadeh, M.D.
NPI 1457314684ActiveIndividual· Internal Medicine, Nephrology· Orange, CA
Internal Medicine, Nephrology (M.D.) with Prohealth Partners, A Medical Group, practicing in Orange, California. Enrolled in Medicare as practitioner - nephrology. Fresenius Kabi USA, LLC was the largest of 4 companies reporting payments in 2025, $32,972 in all, mostly speaking and faculty fees. Lists Lac/Harbor-Ucla Med Center as a hospital affiliation.
Overview
| NPI | 1457314684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Feb 21, 2023 |
| Certified by provider | Feb 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A61298 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine, Pediatric Medicine |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Hospital affiliation
- Lac/Harbor-Ucla Med CenterTorrance, CA
Other facilities
- Davita Harbor UCLADialysis facility · Torrance, CA
Industry payments (Open Payments)
- 2025$32,972 · 16 payments from 4 companies
- 2024$3,028 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius Kabi USA, LLC | $18,305 | 4 |
| Csl Behring | $11,919 | 9 |
| Calliditas Therapeutics US Inc. | $2,723 | 2 |
| Otsuka America Pharmaceutical, Inc. | $25.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$27,056 · 12 payments
- Consulting Fee$5,793 · 2 payments
- Food and Beverage$123.35 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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