Neil S. Alex, MD
Child & Adolescent Psychiatry Physician · San Diego, CA
Neil S. Alex, MD is a child & adolescent psychiatry physician with a practice address in San Diego, California, and NPI 1528139433, issued on Nov 13, 2006. Check the license (California G21389, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Neil S. Alex
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- G21389 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Nov 13, 2006
- Record last updated
- Feb 4, 2022
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Neil S. Alex in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21389Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
783 Medicare Part D claims for 340 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Lorazepam58 claims
- Trazodone Hcl57 claims
- Buspirone Hcl45 claims
- Bupropion Xl38 claims
- Clonazepam37 claims
- Lamotrigine35 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.
Neil S. Alex among 1,009 child & adolescent psychiatry physician records in California
Neil S. Alex, MD is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in San Diego → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Charles Fleischer, DOSan Diego, CA 921201720130180
- Jeanne Hong, M.D.San Diego, CA 921201568678605
- Sonali Jeste, MDSan Diego, CA 921201518015304
- Michael Juboori, MDSan Diego, CA 921201205984259
- Shahzad Khan, MDSan Diego, CA 921201164570974
- Eric Mustonen, MDSan Diego, CA 921201598813370
- Antonio Ong, MDSan Diego, CA 921201770631756
- Breda Velasquez, MDSan Diego, CA 921201750439584
Common questions
What is Neil S. Alex, MD's NPI number?
Neil S. Alex, MD's National Provider Identifier (NPI) is 1528139433, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Neil S. Alex, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Neil S. Alex, MD's license?
NPPES lists California license number G21389, 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 Neil S. Alex, MD prescribe under Medicare Part D?
In 2024, Neil S. Alex, MD had 783 Medicare Part D claims for 340 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.