John Louis Peterson, MD
Dermatology Physician · Monterey, CA
John Louis Peterson, MD is a dermatology physician with a practice address in Monterey, California, and NPI 1891729109, issued on Jul 10, 2006. Check the license (California G58431, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Louis Peterson
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- G58431 CA
1862071205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 9781 Blue Larkspur LN Ste 100, Monterey, CA 93940
- Phone
- (831) 333-9008
- Enumerated
- Jul 10, 2006
- Record last updated
- Jan 14, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (831) 333-9010
- Medicare enrollment
- Enrolled (PECOS I20040920000785); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 9781 Blue Larkspur LN Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Bolante, M.D.Dermatology Physician1144429085
- Madeline Johnson, PA-CPhysician Assistant1124945191
- Joanna PhamPhysician Assistant1417743261
Verify John Louis Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G58431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average dermatology physician in 2024
868 Medicare Part D claims for 332 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Triamcinolone Acetonide135 claims
- Clotrimazole-Betamethasone125 claims
- Prednisone98 claims
- Imiquimod50 claims
- Clobetasol Propionate42 claims
- Ketoconazole42 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Golden State Dermatology Associates, Inc.Brentwood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Louis Peterson among 2,083 dermatology physician records in California
John Louis Peterson, MD is one of 2,083 dermatology physician records with a practice address in California. 83% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2006 among the 1,450 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Monterey → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Christina Bolante, M.D.Monterey, CA 939401144429085
- Monika ChockMonterey, CA 939401356668735
- Mary Dahl, MDMonterey, CA 939401255414991
- Christopher DannakerMonterey, CA 939401558408195
- Melvin Gorelick, MDMonterey, CA 939401053399535
- Roya Javid, M.D.Monterey, CA 939401922189414
- Julie Kenner, M.D., PH.DMonterey, CA 939401366454423
- Stephen Lee, M.D.Monterey, CA 939401205902855
Common questions
What is John Louis Peterson, MD's NPI number?
John Louis Peterson, MD's National Provider Identifier (NPI) is 1891729109, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Louis Peterson, MD located?
The NPPES record lists a practice address at 9781 Blue Larkspur LN Ste 100, Monterey, CA, 93940. Phone: (831) 333-9008. Providers update this record themselves, so call before visiting.
How can I verify John Louis Peterson, MD's license?
NPPES lists California license number G58431, 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 Louis Peterson, MD prescribe under Medicare Part D?
In 2024, John Louis Peterson, MD had 868 Medicare Part D claims for 332 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is John Louis Peterson, MD's MIPS final score?
The 2023 MIPS final score is 98.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.