Registry data as of Aug 27, 2026

John Aliapoulios, M.D.

Psychiatry Physician · Palm Desert, CA

John Aliapoulios, M.D. is a psychiatry physician with a practice address in Palm Desert, California, and NPI 1538369772, issued on Jul 24, 2007. Check the license (California G073675, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538369772
Name
John Aliapoulios
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G073675 CA
Self-reported in NPPES; status is on the state search
Practice location
41865 Boardwalk, Palm Desert, CA 92211
Phone
(760) 776-1277
Enumerated
Jul 24, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 41865 Boardwalk

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Leslie Alhadeff, M.D., M.P.H.Psychologist1073633103
  2. Carol Bayer, MFTMarriage & Family Therapist1578639068
  3. Jana Johnson, PHDClinical Psychologist1114097946
  4. Susan Rigney, MA, LMFTMarriage & Family Therapist1225214067
  5. Tisha Salary-Mitchell, MDInternal Medicine Physician1194742999
  6. Natalie Whang, DDSDentist1164586368

Verify John Aliapoulios in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G073675
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

41% fewer Medicare Part D claims than the average psychiatry physician in 2024

597 Medicare Part D claims for 36 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. John Aliapoulios597
  2. Specialty average1,010

Most prescribed

  1. Quetiapine Fumarate70 claims
  2. Lamotrigine36 claims
  3. Clonazepam35 claims
  4. Tiagabine Hcl34 claims
  5. Loxapine33 claims
  6. Olanzapine29 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 7,890 psychiatry physician records in California.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Kafia Abbasi, M.D.French Camp, CA1215114897
  5. Michele Abbasi, M.D.Westlake Village, CA1093940330
  6. Zohaib AbbasiMartinez, CA1013392224
  7. Chester Abbott, M.D.Pasadena, CA1053442186
  8. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  9. Ezzat Abdelmalek, M.DDana Point, CA1992828826
  10. Ahmed AbdelrazekSacramento, CA1669092128

Common questions

What is John Aliapoulios, M.D.'s NPI number?

John Aliapoulios, M.D.'s National Provider Identifier (NPI) is 1538369772, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Aliapoulios, M.D. located?

The NPPES record lists a practice address at 41865 Boardwalk, Palm Desert, CA, 92211. Phone: (760) 776-1277. Providers update this record themselves, so call before visiting.

How can I verify John Aliapoulios, M.D.'s license?

NPPES lists California license number G073675, 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 John Aliapoulios, M.D. prescribe under Medicare Part D?

In 2024, John Aliapoulios, M.D. had 597 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.