Hasnain J. Sadiq, MD
Psychiatry Physician · Rialto, CA
Hasnain J. Sadiq, MD is a psychiatry physician with a practice address in Rialto, California, and NPI 1184641193, issued on Jul 16, 2006. Check the license (California C171803, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hasnain J. Sadiq
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C171803 CA
23284 NE
Self-reported in NPPES; status is on the state search - Practice location
- 850 E Foothill Blvd, Rialto, CA 92376
- Phone
- (909) 421-9495
- Enumerated
- Jul 16, 2006
- Record last updated
- Oct 4, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 850 E Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Adams, MFTMental Health Counselor1871633586
- Daniela AguilarCounselor1649617432
- Rebecca AguilarMental Health Counselor1912373549
- Robert AguilarDay Training/Habilitation Specialist1700446614
- Beverly Aguirre, MASTER SOCIAL WORKRehabilitation Practitioner1992153647
- Angela Alari, ALPCCMental Health Counselor1699462390
Verify Hasnain J. Sadiq in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C171803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average psychiatry physician in 2024
560 Medicare Part D claims for 119 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Quetiapine Fumarate62 claims
- Sertraline Hcl36 claims
- Lorazepam35 claims
- Duloxetine Hcl34 claims
- Venlafaxine Hcl Er28 claims
- Alprazolam27 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.
Hasnain J. Sadiq among 8,673 psychiatry physician records in California
Hasnain J. Sadiq, MD 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 fileNo · 38% of these records are
- Record last updated2024 · 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 Rialto → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sandeep Gill, M.D.Rialto, CA 923761972910016
- Marissa Mariano-Mejia, M.D.Rialto, CA 923761750426862
- Jared Nelson, D.O.Rialto, CA 923761295091791
- Ghulam Noorani, MDRialto, CA 923761417900069
- Jorge Beber, MDVisaliea, CA 923771750451068
- David Desai, M.D.Redlands, CA 923741740451566
- Andrew Nam, DORedlands, CA 923741952980732
- Mina YoussefRedlands, CA 923741609168897
Common questions
What is Hasnain J. Sadiq, MD's NPI number?
Hasnain J. Sadiq, MD's National Provider Identifier (NPI) is 1184641193, issued on Jul 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hasnain J. Sadiq, MD located?
The NPPES record lists a practice address at 850 E Foothill Blvd, Rialto, CA, 92376. Phone: (909) 421-9495. Providers update this record themselves, so call before visiting.
How can I verify Hasnain J. Sadiq, MD's license?
NPPES lists California license number C171803, 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 Hasnain J. Sadiq, MD prescribe under Medicare Part D?
In 2024, Hasnain J. Sadiq, MD had 560 Medicare Part D claims for 119 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.