Sima A. Nekoui, MD
Neurology Physician · Downey, CA
Sima A. Nekoui, MD is a neurology physician with a practice address in Downey, California, and NPI 1619044567, issued on Nov 29, 2006. Check the license (California A62607, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sima A. Nekoui
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A62607 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9449 Imperial Hwy # C281, Downey, CA 90242
- Phone
- (562) 657-2281
- Enumerated
- Nov 29, 2006
- Record last updated
- Jan 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20251102000072); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1992
- Entity
- Type 1 · individual
Verify Sima A. Nekoui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average neurology physician in 2024
136 Medicare Part D claims for 37 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Primidone16 claims
- Levetiracetam14 claims
- Carbidopa-Levodopa13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Shannon ClinicSan Angelo, TX
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Diana Abdulrahman, M.D.Pomona, CA1518276880
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Saheil AboutalibLong Beach, CA1548551112
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
Common questions
What is Sima A. Nekoui, MD's NPI number?
Sima A. Nekoui, MD's National Provider Identifier (NPI) is 1619044567, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sima A. Nekoui, MD located?
The NPPES record lists a practice address at 9449 Imperial Hwy # C281, Downey, CA, 90242. Phone: (562) 657-2281. Providers update this record themselves, so call before visiting.
How can I verify Sima A. Nekoui, MD's license?
NPPES lists California license number A62607, 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.
How much does Sima A. Nekoui, MD prescribe under Medicare Part D?
In 2024, Sima A. Nekoui, MD had 136 Medicare Part D claims for 37 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.