NPPES file of Aug 9, 2026

Jonathan Tepper, M.D., PH.D.

Psychiatry Physician · Watsonville, CA

Jonathan Tepper, M.D., PH.D. is a psychiatry physician with a practice address in Watsonville, California, and NPI 1649482019, issued on May 5, 2007. Check the license (California G52668, 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
1649482019
Name
Jonathan Tepper
Credential
M.D., PH.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G52668 CA
Self-reported in NPPES; status is on the state search
Practice location
240 Westgate Dr Ste 122, Watsonville, CA 95076
Phone
(831) 728-3939
Enumerated
May 5, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 Jonathan Tepper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G52668
    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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92% fewer Medicare Part D claims than the average psychiatry physician in 2024

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

  1. Jonathan Tepper84
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl23 claims
  2. Sertraline Hcl21 claims
  3. Doxepin Hcl16 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.

Jonathan Tepper among 8,673 psychiatry physician records in California

Jonathan Tepper, 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. Nathan Cohen, MDWatsonville, CA 950761366526436
  2. Hassan Dinakar, MDWatsonville, CA 950761922016294
  3. Robert Edmund, M.D.Watsonville, CA 950761689618183
  4. Martha Gonzalez, MDWatsonville, CA 950761104928662
  5. Jonathan Tallman, M.D.Watsonville, CA 950761417982646
  6. Katherine Valdivia, CCMA/CPT1Watsonville, CA 950761164031530
  7. Jennifer Davis, M.D.Soquel, CA 950731750584181
  8. Shamala Kanchan, MDSaratoga, CA 950701245331495

Common questions

What is Jonathan Tepper, M.D., PH.D.'s NPI number?

Jonathan Tepper, M.D., PH.D.'s National Provider Identifier (NPI) is 1649482019, issued on May 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Tepper, M.D., PH.D. located?

The NPPES record lists a practice address at 240 Westgate Dr Ste 122, Watsonville, CA, 95076. Phone: (831) 728-3939. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Tepper, M.D., PH.D.'s license?

NPPES lists California license number G52668, 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 Jonathan Tepper, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Jonathan Tepper, M.D., PH.D. had 84 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.