Tannaz Zahirpour, D.O.
Family Medicine Physician · Simi Valley, CA
Tannaz Zahirpour, D.O. is a family medicine physician with a practice address in Simi Valley, California, and NPI 1114178076, issued on Oct 8, 2008. Check the license (California 20A10846, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tannaz Zahirpour
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A10846 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2925 Sycamore Dr., Simi Valley, CA 93065
- Phone
- (805) 578-9620
- Enumerated
- Oct 8, 2008
- Record last updated
- Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (805) 583-0414
- Medicare enrollment
- Enrolled (PECOS I20110211000913); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Tannaz Zahirpour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,238 Medicare Part D claims for 189 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium101 claims
- Levothyroxine Sodium61 claims
- Amlodipine Besylate59 claims
- Omeprazole50 claims
- Lisinopril37 claims
- Losartan Potassium36 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
- The Regents OF The University OF CaliforniaMarina Del Rey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tannaz Zahirpour among 17,133 family medicine physician records in California
Tannaz Zahirpour, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2007 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 family medicine physician records list a practice address in Simi Valley
They are 60 of the 1,397 NPPES records with a practice address in Simi Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Simi Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ingrid Antall, MDSimi Valley, CA 930651629061700
- George Carbone, M.D.Simi Valley, CA 930651437124849
- Jerry Davidson, M.D.Simi Valley, CA 930651922073998
- Donald Downs, MD.Simi Valley, CA 930651568451979
- Harry Drummond, MDSimi Valley, CA 930651164416517
- Daniel Ghiyam, MDSimi Valley, CA 930651750378188
- Shayla Kasel, M.D.Simi Valley, CA 930651649241837
- Jonathan Kurohara, M.DSimi Valley, CA 930651427023407
Common questions
What is Tannaz Zahirpour, D.O.'s NPI number?
Tannaz Zahirpour, D.O.'s National Provider Identifier (NPI) is 1114178076, issued on Oct 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tannaz Zahirpour, D.O. located?
The NPPES record lists a practice address at 2925 Sycamore Dr., Simi Valley, CA, 93065. Phone: (805) 578-9620. Providers update this record themselves, so call before visiting.
How can I verify Tannaz Zahirpour, D.O.'s license?
NPPES lists California license number 20A10846, 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 Tannaz Zahirpour, D.O. prescribe under Medicare Part D?
In 2024, Tannaz Zahirpour, D.O. had 1,238 Medicare Part D claims for 189 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.