Alexander Nguyen Ali Malekzadeh, D.O.
Psychiatry Physician · Pleasant Hill, CA
Alexander Nguyen Ali Malekzadeh, D.O. is a psychiatry physician with a practice address in Pleasant Hill, California, and NPI 1669799680, issued on Apr 29, 2010. Check the license (California 20A13830, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Nguyen Ali Malekzadeh
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 20A13830 CA
13830 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2120 Contra Costa Blvd # 1164, Pleasant Hill, CA 94523
- Phone
- (925) 233-6931
- Enumerated
- Apr 29, 2010
- Record last updated
- Nov 5, 2024
- Entity
- Type 1 · individual
Verify Alexander Nguyen Ali Malekzadeh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average psychiatry physician in 2024
389 Medicare Part D claims for 48 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Alprazolam29 claims
- Sertraline Hcl26 claims
- Clonazepam22 claims
- Mirtazapine22 claims
- Trazodone Hcl21 claims
- Aripiprazole20 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.
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Alexander Nguyen Ali Malekzadeh, D.O.'s NPI number?
Alexander Nguyen Ali Malekzadeh, D.O.'s National Provider Identifier (NPI) is 1669799680, issued on Apr 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Nguyen Ali Malekzadeh, D.O. located?
The NPPES record lists a practice address at 2120 Contra Costa Blvd # 1164, Pleasant Hill, CA, 94523. Phone: (925) 233-6931. Providers update this record themselves, so call before visiting.
How can I verify Alexander Nguyen Ali Malekzadeh, D.O.'s license?
NPPES lists California license number 20A13830, 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 Alexander Nguyen Ali Malekzadeh, D.O. prescribe under Medicare Part D?
In 2024, Alexander Nguyen Ali Malekzadeh, D.O. had 389 Medicare Part D claims for 48 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.