Pirooz Hassanzadeh, MD, MPH, MSF, MSC
Student in an Organized Health Care Education/Training Program · Ontario, CA
Pirooz Hassanzadeh, MD, MPH, MSF, MSC is a student in an organized health care education/training program with a practice address in Ontario, California, and NPI 1295476554, issued on Apr 1, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Pirooz Hassanzadeh
- Credential
- MD, MPH, MSF, MSC
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 950 N Duesenberg Dr Apt 4213, Ontario, CA 91764
- Phone
- (949) 466-2949
- Enumerated
- Apr 1, 2022
- Record last updated
- Apr 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20251017002739); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Verify Pirooz Hassanzadeh 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
50% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
277 Medicare Part D claims for 93 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Amlodipine Besylate16 claims
- Atorvastatin Calcium16 claims
- Losartan Potassium16 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: $417.91
7 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,278 providers of this specialty with any payment received $608.08 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
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pirooz Hassanzadeh among 40,652 student in an organized health care education/training program records in California
Pirooz Hassanzadeh, MD, MPH, MSF, MSC is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% 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 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2021 · median 2017 among the 2,409 with a school on file
- Record last updated2022 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
183 student in an organized health care education/training program records list a practice address in Ontario
They are 183 of the 5,375 NPPES records with a practice address in Ontario, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Ontario → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Niki BahriOntario, CA 917641538859475
- Jalen ChangOntario, CA 917641942186002
- Jessica Cheng, MA-SLPOntario, CA 917641184176703
- Kim-Chau Dang, DMDOntario, CA 917641144107269
- Tyler FyfeOntario, CA 917641285323022
- Hallary MoralesOntario, CA 917641811508302
- Rocio PradoOntario, CA 917641184110363
- Dalila AcostaMontclair, CA 917631386318723
Common questions
What is Pirooz Hassanzadeh, MD, MPH, MSF, MSC's NPI number?
Pirooz Hassanzadeh, MD, MPH, MSF, MSC's National Provider Identifier (NPI) is 1295476554, issued on Apr 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Pirooz Hassanzadeh, MD, MPH, MSF, MSC located?
The NPPES record lists a practice address at 950 N Duesenberg Dr Apt 4213, Ontario, CA, 91764. Phone: (949) 466-2949. Providers update this record themselves, so call before visiting.
How can I verify Pirooz Hassanzadeh, MD, MPH, MSF, MSC's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Pirooz Hassanzadeh, MD, MPH, MSF, MSC prescribe under Medicare Part D?
In 2024, Pirooz Hassanzadeh, MD, MPH, MSF, MSC had 277 Medicare Part D claims for 93 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.