Dennis St. Peter, M.D.
Psychiatry Physician · Santa Cruz, CA
Dennis St. Peter, M.D. is a psychiatry physician with a practice address in Santa Cruz, California, and NPI 1275608127, issued on Nov 22, 2006. Check the license (California G031432, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis St. Peter
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G031432 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 River St, Santa Cruz, CA 95060
- Phone
- (831) 423-1000
- Enumerated
- Nov 22, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (831) 432-1000
- Medicare enrollment
- Enrolled (PECOS I20051227000375); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 710 River St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pamela Shipley, MFTMarriage & Family Therapist1134337967
Verify Dennis St. Peter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G031432Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average psychiatry physician in 2024
551 Medicare Part D claims for 37 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Clonazepam75 claims
- Lorazepam71 claims
- Bupropion Xl51 claims
- Venlafaxine Hcl Er49 claims
- Aripiprazole47 claims
- Trazodone Hcl41 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.
Dennis St. Peter among 8,673 psychiatry physician records in California
Dennis St. Peter, 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 fileYes · 38% of these records are
- Graduated1973 · median 2005 among the 3,295 with a school on file
- 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.
All 8,673 in California → Every provider in Santa Cruz → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ralph Berman, M DSanta Cruz, CA 950601306889795
- Michael Christie, M.D.Santa Cruz, CA 950601659486512
- John Gillette, M.D.Santa Cruz, CA 950601598756579
- David Hoban, MDSanta Cruz, CA 950601659325892
- Brinda Krishnan, M.D.,Santa Cruz, CA 950601114970076
- Barbara Lampert, MDSanta Cruz, CA 950601841200128
- Timothy Myers, MDSanta Cruz, CA 950601124030747
- Latha Nair, M.D.Santa Cruz, CA 950601164527560
Common questions
What is Dennis St. Peter, M.D.'s NPI number?
Dennis St. Peter, M.D.'s National Provider Identifier (NPI) is 1275608127, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis St. Peter, M.D. located?
The NPPES record lists a practice address at 710 River St, Santa Cruz, CA, 95060. Phone: (831) 423-1000. Providers update this record themselves, so call before visiting.
How can I verify Dennis St. Peter, M.D.'s license?
NPPES lists California license number G031432, 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 Dennis St. Peter, M.D. prescribe under Medicare Part D?
In 2024, Dennis St. Peter, M.D. had 551 Medicare Part D claims for 37 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.