NPPES file of Aug 9, 2026

Catherine Stayer, M.D. PH.D.

Psychiatry Physician · Princeton, CA

Catherine Stayer, M.D. PH.D. is a psychiatry physician with a practice address in Princeton, California, and NPI 1487876025, issued on May 3, 2007. Check the license 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
1487876025
Name
Catherine Stayer
Credential
M.D. PH.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
25MA08000000 NJ
Self-reported in NPPES; status is on the state search
Practice location
36 Drakes Corner RD, Princeton, CA 08540
Phone
(609) 924-2028
Enumerated
May 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(609) 924-6704
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 Catherine Stayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

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93% fewer Medicare Part D claims than the average psychiatry physician in 2024

73 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Catherine Stayer73
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl17 claims
  2. Bupropion Hcl Sr12 claims
  3. Buspirone Hcl11 claims
  4. Risperidone11 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.

Catherine Stayer among 8,673 psychiatry physician records in California

Catherine Stayer, M.D. PH.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 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 fileNo · 38% of these records are
  • Record last updated2007 · 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. Ahmad Khedraki, MDLos Angeles, CA 900011831728724
  2. Ladan Hariri, M.D.Los Angeles, CA 900031689022477
  3. Quinton James, M.D.Los Angeles, CA 900031447371372
  4. Monica Federoff, MDLos Angeles, CA 900041912404492
  5. Lynn Lerman, M.D.Los Angeles, CA 900041861735466
  6. Cole Marta, M.D.Los Angeles, CA 900041689947251
  7. Jasmine Sawhne, M.D.Los Angeles, CA 900041467893875
  8. Mandeep Singh, MDLos Angeles, CA 900041881219145

Common questions

What is Catherine Stayer, M.D. PH.D.'s NPI number?

Catherine Stayer, M.D. PH.D.'s National Provider Identifier (NPI) is 1487876025, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Stayer, M.D. PH.D. located?

The NPPES record lists a practice address at 36 Drakes Corner RD, Princeton, CA, 08540. Phone: (609) 924-2028. Providers update this record themselves, so call before visiting.

How can I verify Catherine Stayer, M.D. PH.D.'s license?

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 Catherine Stayer, M.D. PH.D. prescribe under Medicare Part D?

In 2024, Catherine Stayer, M.D. PH.D. had 73 Medicare Part D claims; 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.