NPPES file of Aug 9, 2026

Phillip Thomas Cohen, M.D.

Psychiatry Physician · Laguna Hills, CA

Phillip Thomas Cohen, M.D. is a psychiatry physician with a practice address in Laguna Hills, California, and NPI 1144231986, issued on Aug 10, 2006. Check the license (California G31990, 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
1144231986
Name
Phillip Thomas Cohen
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G31990 CA
Self-reported in NPPES; status is on the state search
Practice location
25401 Cabot RD Ste 102, Laguna Hills, CA 92653
Phone
(949) 951-3003
Enumerated
Aug 10, 2006
Record last updated
Feb 10, 2025
Fax
(949) 951-8586
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.
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Verify Phillip Thomas Cohen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G31990
    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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58% fewer Medicare Part D claims than the average psychiatry physician in 2024

423 Medicare Part D claims for 26 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Phillip Cohen423
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl80 claims
  2. Escitalopram Oxalate41 claims
  3. Fluoxetine Hcl40 claims
  4. Aripiprazole33 claims
  5. Lamotrigine30 claims
  6. Bupropion Xl26 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.

Phillip Thomas Cohen among 8,673 psychiatry physician records in California

Phillip Thomas Cohen, M.D. 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 updated2025 · 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.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Thomas Backus, M.D.Laguna Hills, CA 926531831288828
  2. Dennis De Pry, D.O.Laguna Hills, CA 926531386731909
  3. Tatyana Ellison, M.D.Laguna Hills, CA 926531477868578
  4. Chona Green, MDLaguna Hills, CA 926531437219441
  5. Jason Guthridge, BCABALaguna Hills, CA 926531679868194
  6. Debra Hill, M.D.Laguna Hills, CA 926531376825638
  7. Steven Keys, M.D.Laguna Hills, CA 926531962575332
  8. Robert Lee, DOLaguna Hills, CA 926531679839385

Common questions

What is Phillip Thomas Cohen, M.D.'s NPI number?

Phillip Thomas Cohen, M.D.'s National Provider Identifier (NPI) is 1144231986, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Phillip Thomas Cohen, M.D. located?

The NPPES record lists a practice address at 25401 Cabot RD Ste 102, Laguna Hills, CA, 92653. Phone: (949) 951-3003. Providers update this record themselves, so call before visiting.

How can I verify Phillip Thomas Cohen, M.D.'s license?

NPPES lists California license number G31990, 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 Phillip Thomas Cohen, M.D. prescribe under Medicare Part D?

In 2024, Phillip Thomas Cohen, M.D. had 423 Medicare Part D claims for 26 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.