Hassan A. Riaz, MD
Family Medicine Physician · Paramount, CA
Hassan A. Riaz, MD is a family medicine physician with a practice address in Paramount, California, and NPI 1336170075, issued on Jul 5, 2006. Check the license (California A91582, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hassan A. Riaz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A91582 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16444 Paramount Blvd, Paramount, CA 90723
- Phone
- (562) 531-7790
- Enumerated
- Jul 5, 2006
- Record last updated
- Oct 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 531-6877
- Medicaid ID
- 00A915820 CA
- Medicare enrollment
- Enrolled (PECOS I20060223000825); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 16444 Paramount Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mya AndrewsCommunity Health Worker1609653500
- Arlene ArevaloDay Training/Habilitation Specialist1780418384
- Cynthia BarcenasCommunity Health Worker1801420302
- Lorena De La CruzCase Manager/Care Coordinator1467225508
- Itzel GarciaCommunity Health Worker1629726914
- Regina GuerreroDay Training/Habilitation Specialist1811675531
Verify Hassan A. Riaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91582Check 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% more Medicare Part D claims than the average family medicine physician in 2024
6,445 Medicare Part D claims for 408 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium655 claims
- Metformin Hcl393 claims
- Lisinopril285 claims
- Amlodipine Besylate259 claims
- Omeprazole189 claims
- Hydrochlorothiazide175 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
- Mohammad Riaz MD IncorporatedParamount, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hassan A. Riaz among 17,133 family medicine physician records in California
Hassan A. Riaz, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 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).
12 family medicine physician records list a practice address in Paramount
They are 12 of the 286 NPPES records with a practice address in Paramount, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Paramount → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kristoffer Chin, DOParamount, CA 907231790342764
- Carla Gonzalez-Guzman, MDParamount, CA 907231548036312
- Maribel Khoury, M.D.Paramount, CA 907231184659609
- Roya Masoud, D.O.Paramount, CA 907231295926087
- Nehzat Nikakhtar, MDParamount, CA 907231427062348
- Mohammad Riaz, MDParamount, CA 907231396770103
- Chander Sharma, M.DParamount, CA 907231588778930
- Khai Tran, DOParamount, CA 907231497802003
Common questions
What is Hassan A. Riaz, MD's NPI number?
Hassan A. Riaz, MD's National Provider Identifier (NPI) is 1336170075, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hassan A. Riaz, MD located?
The NPPES record lists a practice address at 16444 Paramount Blvd, Paramount, CA, 90723. Phone: (562) 531-7790. Providers update this record themselves, so call before visiting.
How can I verify Hassan A. Riaz, MD's license?
NPPES lists California license number A91582, 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 Hassan A. Riaz, MD prescribe under Medicare Part D?
In 2024, Hassan A. Riaz, MD had 6,445 Medicare Part D claims for 408 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.