Kamyar Kamjoo, MD
NPI 1558465708ActiveIndividual· Internal Medicine, Nephrology· Tarzana, CA
Internal Medicine, Nephrology (MD) in Tarzana, California, trained at University of California, Irvine, California College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,315,168 for 9,912 claims, against $402,218 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $1,070 in all, mostly food and beverage.
Overview
| NPI | 1558465708 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 9, 2006 |
| Last updated in NPPES | Sep 30, 2020 |
| Certified by provider | Sep 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A77563 | CA |
| Internal Medicine | 207R00000X | A77563 | 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 | 439 |
|---|---|
| Services billed | 12,386 across 53 procedure codes |
| Paid by Medicare | $402,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,912 · 18,155 30-day fills |
|---|---|
| Patients | 471 |
| Total drug cost | $1,315,168 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Northridge Hospital Medical CenterNorthridge, CA
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
- Providence Saint Joseph Medical CtrBurbank, CA
Other facilities
- Beverly Hills H H Care, IncHome health agency · Beverly Hills, CA
- Bls Home Care, IncHome health agency · Encino, CA
- Number 1 Home Health Care, IncHome health agency · Chatsworth, CA
- Carelink Hospice, IncHospice · Thousand Oaks, CA
- Daily Support Hospice, Inc.Hospice · Chatsworth, CA
- Gamma Hospice Care, IncHospice · Los Angeles, CA
- La Best Hospice CareHospice · Van Nuys, CA
- United Health Hospice, IncHospice · Los Angeles, CA
Industry payments (Open Payments)
- 2025$1,070 · 53 payments from 15 companies
- 2024$1,453 · 76 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $271.57 | 17 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $151.12 | 6 |
| Astrazeneca Pharmaceuticals LP | $140.64 | 9 |
| Novo Nordisk Inc | $119.66 | 5 |
| Pfizer Inc. | $80.80 | 3 |
What the 2025 payments were for
- Food and Beverage$1,070 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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