Arash Naeim, MD
Hematology & Oncology Physician · Los Angeles, CA
Arash Naeim, MD is a hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1821017658, issued on Jul 19, 2006. Check the license (California A62996, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arash Naeim
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A62996 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 825-6301
- Enumerated
- Jul 19, 2006
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00A629960 CA
- Medicare enrollment
- Enrolled (PECOS I20120326000401); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrienne Bawa, REGISTERED NURSECase Management Registered Nurse1497355366
Verify Arash Naeim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arash Naeim among 1,583 hematology & oncology physician records in California
Arash Naeim, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1995 · median 2003 among the 1,124 with a school on file
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Los Angeles → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- David Chang, MDLos Angeles, CA 900951952336737
- Grace Cherry, NPLos Angeles, CA 900951659306447
- Sven De Vos, MDLos Angeles, CA 900951528093713
- Aryeh Edelist, MDLos Angeles, CA 900951437184629
- Christos Emmanouilides, MDLos Angeles, CA 900951780600619
- Nancy Feldman, MDLos Angeles, CA 900951538184700
- Jennifer Gansert, MDLos Angeles, CA 900951811922412
- Patricia Ganz, MDLos Angeles, CA 900951871528471
Common questions
What is Arash Naeim, MD's NPI number?
Arash Naeim, MD's National Provider Identifier (NPI) is 1821017658, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arash Naeim, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 825-6301. Providers update this record themselves, so call before visiting.
How can I verify Arash Naeim, MD's license?
NPPES lists California license number A62996, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Arash Naeim, MD's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.