John Lewis Peake, M.D.
Psychiatry Physician · Los Osos, CA
John Lewis Peake, M.D. is a psychiatry physician with a practice address in Los Osos, California, and NPI 1730324674, issued on Dec 5, 2008. Check the license (California G83792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Lewis Peake
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G83792 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2728 Rodman Dr, Los Osos, CA 93402
- Phone
- (805) 534-0152
- Enumerated
- Dec 5, 2008
- Record last updated
- Dec 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify John Lewis Peake in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
24 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.
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.
John Lewis Peake among 8,673 psychiatry physician records in California
John Lewis Peake, 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2008 · 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).
3 psychiatry physician records list a practice address in Los Osos
They are 3 of the 129 NPPES records with a practice address in Los Osos, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Osos → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Leo Ingle, M.D.Los Osos, CA 934021831333590
- Kathryn Unkel, M.D.Los Osos, CA 934021891710877
- Louise Buck, M.D.San Luis Obispo, CA 934011912280520
- Christina Calabrese, MDSan Luis Obispo, CA 934011154466530
- Sorina Carabeth, MDSan Luis Obispo, CA 934011912039496
- Allen Doran, M.D.San Luis Obispo, CA 934011588838247
- Rose Drago, MDSan Luis Obispo, CA 934011306904982
- Erol GiraySan Luis Obispo, CA 934011982721999
Common questions
What is John Lewis Peake, M.D.'s NPI number?
John Lewis Peake, M.D.'s National Provider Identifier (NPI) is 1730324674, issued on Dec 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Lewis Peake, M.D. located?
The NPPES record lists a practice address at 2728 Rodman Dr, Los Osos, CA, 93402. Phone: (805) 534-0152. Providers update this record themselves, so call before visiting.
How can I verify John Lewis Peake, M.D.'s license?
NPPES lists California license number G83792, 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 Lewis Peake, M.D. prescribe under Medicare Part D?
In 2024, John Lewis Peake, M.D. had 24 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.