Brenda Ester Siman, PA
Physician Assistant · Los Angeles, CA
Brenda Ester Siman, PA is a physician assistant with a practice address in Los Angeles, California, and NPI 1598474686, issued on Nov 17, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brenda Ester Siman
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 2243 Kelton Ave, Los Angeles, CA 90064
- Phone
- (310) 498-8166
- Enumerated
- Nov 17, 2022
- Record last updated
- Nov 17, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2243 Kelton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda SimanPhysician Assistant1497423552
Verify Brenda Ester Siman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average physician assistant in 2024
179 Medicare Part D claims for 59 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium20 claims
- Metformin Hcl16 claims
- Amlodipine Besylate12 claims
- Lisinopril11 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.
Industry payments in 2024: $933.99
43 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brenda Ester Siman among 14,451 physician assistant records in California
Brenda Ester Siman, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
935 physician assistant records list a practice address in Los Angeles
They are 935 of the 69,537 NPPES records with a practice address in Los Angeles, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Los Angeles → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Kelly Santoro, PALos Angeles, CA 900641982960340
- Amanda SimanLos Angeles, CA 900641497423552
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Common questions
What is Brenda Ester Siman, PA's NPI number?
Brenda Ester Siman, PA's National Provider Identifier (NPI) is 1598474686, issued on Nov 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brenda Ester Siman, PA located?
The NPPES record lists a practice address at 2243 Kelton Ave, Los Angeles, CA, 90064. Phone: (310) 498-8166. Providers update this record themselves, so call before visiting.
How can I verify Brenda Ester Siman, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Brenda Ester Siman, PA prescribe under Medicare Part D?
In 2024, Brenda Ester Siman, PA had 179 Medicare Part D claims for 59 beneficiaries; the average among physician assistant prescribers was 830. 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.