Nazanin Firooz, M.D.
NPI 1447437967 · Rheumatology Physician · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nazanin Firooz, M.D. is a Rheumatology Physician provider in Woodland Hills, CA (NPI 1447437967).
Provider details
- NPI number
- 1447437967
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A96204 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
16,583 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Unclassified DrugsJ3490 | 10,600 | $0 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,006 | $139 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 636 | $17 |
| Infusion Into a Vein for Hydration, 31-60 Minutes96360 | 586 | $37 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 478 | $68 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 384 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 131 | 50 |
| Prednisone | 102 | 46 |
| Methotrexate Sodiumbrand: Methotrexate | 86 | 26 |
| Romosozumab-Aqqgbrand: Evenity (2 Syringes) | 74 | 13 |
| Abatacept/Maltosebrand: Orencia | 69 | — |
| Tocilizumabbrand: Actemra | 68 | — |
| Denosumabbrand: Prolia |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,640 across 158 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-28
- Last updated
- 2023-05-22
- Certified
- 2023-05-22
Frequently asked questions
- What is Nazanin Firooz's NPI number?
- Nazanin Firooz's National Provider Identifier (NPI) is 1447437967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nazanin Firooz's specialty?
- Nazanin Firooz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nazanin Firooz located?
- Nazanin Firooz's practice location on file with NPPES is 23067 Ventura Blvd Ste 200, Woodland Hills, CA 91364-1113.
- What is Nazanin Firooz's phone number?
- The practice phone number listed in the NPPES registry for Nazanin Firooz is (818) 598-0000.
- Does Nazanin Firooz accept Medicare?
- Nazanin Firooz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nazanin Firooz's NPI active?
- Yes — Nazanin Firooz's NPI (1447437967) is active in the NPPES registry as of the last update on 2023-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.