Arash Naeim, MD
NPI 1821017658 · Hematology & Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arash Naeim, MD is a Hematology & Oncology Physician provider in Los Angeles, CA (NPI 1821017658).
Provider details
- NPI number
- 1821017658
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A62996 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2010-07-13
Frequently asked questions
- What is Arash Naeim's NPI number?
- Arash Naeim's National Provider Identifier (NPI) is 1821017658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arash Naeim's specialty?
- Arash Naeim is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arash Naeim located?
- Arash Naeim's practice location on file with NPPES is 200 Medical Plaza, Los Angeles, CA 90095.
- What is Arash Naeim's phone number?
- The practice phone number listed in the NPPES registry for Arash Naeim is (310) 825-6301.
- Does Arash Naeim accept Medicare?
- Arash Naeim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arash Naeim's NPI active?
- Yes — Arash Naeim's NPI (1821017658) is active in the NPPES registry as of the last update on 2010-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.