Arshia Shirzadi, D.O.
Psychiatry Physician · Santa Ana, CA
Arshia Shirzadi, D.O. is a psychiatry physician with a practice address in Santa Ana, California, and NPI 1689786550, issued on Aug 31, 2006. Check the license (California 20A9293, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arshia Shirzadi
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A9293 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Civic Center Dr Ste 800, Santa Ana, CA 92701
- Phone
- (714) 480-6767
- Enumerated
- Aug 31, 2006
- Record last updated
- Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080212000730); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 2005
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 401 W Civic Center Dr Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth GracianoMarriage & Family Therapist1235541996
- Cynthia RabeMarriage & Family Therapist1326485822
- Neeta Sampat, LCSWClinical Social Worker1932793411
Verify Arshia Shirzadi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average psychiatry physician in 2024
175 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Aristada13 claims
- Perphenazine13 claims
- Hydroxyzine Pamoate11 claims
- Mirtazapine11 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 one group practice
- County OF OrangeMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arshia Shirzadi among 8,673 psychiatry physician records in California
Arshia Shirzadi, D.O. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2005 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Santa Ana → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Maria Castillo Flores, MDSanta Ana, CA 927011922055987
- Sara Chiu, M.D.Santa Ana, CA 927011639496730
- Weiming Chu, M.D.Santa Ana, CA 927011114189529
- Patricia De Marco Centeno, MDSanta Ana, CA 927011164676169
- Lester Goldstein, M.D.Santa Ana, CA 927011326001900
- Christopher Heitland, M.D.Santa Ana, CA 927011619089349
- Andrew Inglis, M.D.Santa Ana, CA 927011902860778
- Phillip Jun, M.D.Santa Ana, CA 927011346203668
Common questions
What is Arshia Shirzadi, D.O.'s NPI number?
Arshia Shirzadi, D.O.'s National Provider Identifier (NPI) is 1689786550, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arshia Shirzadi, D.O. located?
The NPPES record lists a practice address at 401 W Civic Center Dr Ste 800, Santa Ana, CA, 92701. Phone: (714) 480-6767. Providers update this record themselves, so call before visiting.
How can I verify Arshia Shirzadi, D.O.'s license?
NPPES lists California license number 20A9293, 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 Arshia Shirzadi, D.O. prescribe under Medicare Part D?
In 2024, Arshia Shirzadi, D.O. had 175 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.