Shirin Heydari, PA
Physician Assistant · Fullerton, CA
Shirin Heydari, PA is a physician assistant with a practice address in Fullerton, California, and NPI 1356977607, issued on Mar 18, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shirin Heydari
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 100 E Valencia Mesa Dr Ste 310, Fullerton, CA 92835
- Phone
- (714) 734-3120
- Enumerated
- Mar 18, 2020
- Record last updated
- Nov 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200812001234); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 100 E Valencia Mesa Dr Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shirin Heydari 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
49% fewer Medicare Part D claims than the average physician assistant in 2024
426 Medicare Part D claims for 160 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 88 claims were for opioids.
Most prescribed
- Gabapentin78 claims
- Methocarbamol62 claims
- Hydrocodone-Acetaminophen57 claims
- Celecoxib54 claims
- Methylprednisolone34 claims
- Sulfamethoxazole-Trimethoprim18 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: $585.49
14 payments; by number, the most common kind was food and beverage; the largest payer was Spineart USA 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.
Bills Medicare through one group practice
- Providence Medical FoundationFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shirin Heydari among 14,451 physician assistant records in California
Shirin Heydari, 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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).
138 physician assistant records list a practice address in Fullerton
They are 138 of the 5,437 NPPES records with a practice address in Fullerton, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Fullerton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Shannon Cornwell, PAFullerton, CA 928351902961626
- Negeen Farmand, PAFullerton, CA 928351255530168
- Suzanne Freesemann, P.A.Fullerton, CA 928351285750430
- Melinda Garcia, PAFullerton, CA 928351437226263
- Erica Gomez, DMSC, MPAP, PA-CFullerton, CA 928351316044282
- Andrea Inskeep, PA-CFullerton, CA 928351578752424
- Elethea Locke-Harris, PA-CFullerton, CA 928351528196169
- Laura Lowry, PAFullerton, CA 928351841408390
Common questions
What is Shirin Heydari, PA's NPI number?
Shirin Heydari, PA's National Provider Identifier (NPI) is 1356977607, issued on Mar 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Shirin Heydari, PA located?
The NPPES record lists a practice address at 100 E Valencia Mesa Dr Ste 310, Fullerton, CA, 92835. Phone: (714) 734-3120. Providers update this record themselves, so call before visiting.
How can I verify Shirin Heydari, PA's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Shirin Heydari, PA prescribe under Medicare Part D?
In 2024, Shirin Heydari, PA had 426 Medicare Part D claims for 160 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.