Phillip Aleksiejuk, MD
NPI 1063844579ActiveIndividual· Internal Medicine, Rheumatology· Woodland Hills, CA
Internal Medicine, Rheumatology (MD) with Nazanin Firooz MD Inc, practicing in Woodland Hills, California. 290 Medicare patients in 2024, $452,298 paid; nearly all of their 1,541 Part D prescriptions were generic (92%). Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $4,391 in all, mostly food and beverage. Lists Northridge Hospital Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1063844579 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 7, 2013 |
| Last updated in NPPES | Nov 19, 2024 |
| Certified by provider | Nov 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A141203 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA); Practitioner - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 28,035 across 65 procedure codes |
| Paid by Medicare | $452,298 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,541 · 2,754 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $415,276 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Rheumatology |
Medical group
- Nazanin Firooz MD IncWoodland Hills, CA · 2 clinicians
Hospital affiliations
- Northridge Hospital Medical CenterNorthridge, CA
- UCLA West Valley Medical CenterWest Hills, CA
Other facilities
- Rose Villa Home Health, IncHome health agency · Northridge, CA
- Stat Home Health, IncHome health agency · Northridge, CA
Industry payments (Open Payments)
- 2025$4,391 · 214 payments from 20 companies
- 2024$4,578 · 206 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $859.27 | 39 |
| Amgen Inc. | $809.84 | 42 |
| Novartis Pharmaceuticals Corporation | $430.85 | 33 |
| Ucb, Inc. | $427.60 | 19 |
| Janssen Biotech, Inc. | $407.51 | 17 |
What the 2025 payments were for
- Food and Beverage$4,391 · 214 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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