NPPES file of Aug 9, 2026

John Louis Perry, MD

Psychiatry Physician · San Pedro, CA

John Louis Perry, MD is a psychiatry physician with a practice address in San Pedro, California, and NPI 1427101187, issued on Jan 18, 2007. Check the license (California A64394, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427101187
Name
John Louis Perry
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A64394 CA
Self-reported in NPPES; status is on the state search
Practice location
150 W 7TH St, San Pedro, CA 90731
Phone
(310) 519-6100
Enumerated
Jan 18, 2007
Record last updated
Jul 24, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20031113000836); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 150 W 7TH St

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

  1. Jacinta Aernan, DNPPsychiatric/Mental Health Nurse Practitioner1730351610
  2. Gina Alba, R.N.Registered Nurse1992186571
  3. Rosario Aliviado, LCSWClinical Social Worker1700083193
  4. Janet AnguloCase Manager/Care Coordinator1376239251
  5. Pablo Ayala, MSWClinical Social Worker1497511596
  6. Akhirah BeyClinical Social Worker1235763780

Verify John Louis Perry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64394
    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.

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36% more Medicare Part D claims than the average psychiatry physician in 2024

1,357 Medicare Part D claims for 72 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. John Perry1,357
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl82 claims
  2. Risperidone69 claims
  3. Lurasidone Hcl67 claims
  4. Aripiprazole66 claims
  5. Quetiapine Fumarate64 claims
  6. Lamotrigine60 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

  1. Los Angeles County Department OF Mental HealthSan Pedro, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Louis Perry among 8,673 psychiatry physician records in California

John Louis Perry, 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 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 48% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1996 · median 2005 among the 3,295 with a school on file
  • Record last updated2012 · 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).

13 psychiatry physician records list a practice address in San Pedro

They are 13 of the 1,072 NPPES records with a practice address in San Pedro, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mahmoud Ajang, MDSan Pedro, CA 907311922182682
  2. Dennis Coffee, M.D.San Pedro, CA 907311700987021
  3. Robert Davies, M.D.San Pedro, CA 907311962562363
  4. Jack Downhill, MDSan Pedro, CA 907311467522813
  5. Roger Engelbert, MDSan Pedro, CA 907311447338488
  6. Shawki Haffar, M.D.San Pedro, CA 907311477601979
  7. Mark Honig, M.D.San Pedro, CA 907311285703769
  8. Amber Kondor, MDSan Pedro, CA 907311225200710

Common questions

What is John Louis Perry, MD's NPI number?

John Louis Perry, MD's National Provider Identifier (NPI) is 1427101187, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Louis Perry, MD located?

The NPPES record lists a practice address at 150 W 7TH St, San Pedro, CA, 90731. Phone: (310) 519-6100. Providers update this record themselves, so call before visiting.

How can I verify John Louis Perry, MD's license?

NPPES lists California license number A64394, 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 Louis Perry, MD prescribe under Medicare Part D?

In 2024, John Louis Perry, MD had 1,357 Medicare Part D claims for 72 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.