M J. Peters, M.D
Family Medicine Physician · San Marcos, CA
M J. Peters, M.D is a family medicine physician with a practice address in San Marcos, California, and NPI 1902006695, issued on Jul 20, 2007. Check the license (California A104059, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- M J. Peters
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A104059 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Craven RD, San Marcos, CA 92078
- Phone
- (800) 290-5000
- Enumerated
- Jul 20, 2007
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20120531000093); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 400 Craven RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Abrams, R.N.Registered Nurse1073991261
- Eric Adiarte, M.D.Obstetrics & Gynecology Physician1902038284
- Shreya Aiyar, MDPediatrics Physician1922685981
- Najlaa Al-Jibouri, PHARM DPharmacist1447438965
- Jennifer Alexander, RCP, RRTPulmonary Function Technologist Certified Respiratory Therapist1023596442
- Marisa Alunni, M.D.Obstetrics & Gynecology Physician1710298476
Verify M J. Peters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average family medicine physician in 2024
6,949 Medicare Part D claims for 661 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 458 claims were for opioids.
Most prescribed
- Atorvastatin Calcium565 claims
- Lisinopril360 claims
- Losartan Potassium291 claims
- Rosuvastatin Calcium284 claims
- Amlodipine Besylate267 claims
- Trazodone Hcl219 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
M J. Peters among 17,133 family medicine physician records in California
M J. Peters, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% 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 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 family medicine physician records list a practice address in San Marcos
They are 47 of the 1,985 NPPES records with a practice address in San Marcos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Marcos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Imran Ahmed, MDSan Marcos, CA 920781588682561
- Liliana Alvarez-Martinez, MDSan Marcos, CA 920781790833119
- Christopher Cutter, MDSan Marcos, CA 920781538274287
- Luis Esquenazi, M.D.San Marcos, CA 920781700959848
- Corinne Giesemann, MDSan Marcos, CA 920781730115601
- Alan KrystalSan Marcos, CA 920781215078399
- Ledesma Mangubat, MDSan Marcos, CA 920781730237769
- Benny Martin, DOSan Marcos, CA 920781619975232
Common questions
What is M J. Peters, M.D's NPI number?
M J. Peters, M.D's National Provider Identifier (NPI) is 1902006695, issued on Jul 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is M J. Peters, M.D located?
The NPPES record lists a practice address at 400 Craven RD, San Marcos, CA, 92078. Phone: (800) 290-5000. Providers update this record themselves, so call before visiting.
How can I verify M J. Peters, M.D's license?
NPPES lists California license number A104059, 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 M J. Peters, M.D prescribe under Medicare Part D?
In 2024, M J. Peters, M.D had 6,949 Medicare Part D claims for 661 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.