Michael Craig Maine, D.O.
Family Medicine Physician · San Diego, CA
Michael Craig Maine, D.O. is a family medicine physician with a practice address in San Diego, California, and NPI 1659351203, issued on Jan 19, 2006. Check the license (California 20A8559, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Craig Maine
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A8559 CA
OS011223 PA
0102203388 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 Palm Ave, San Diego, CA 92154
- Phone
- (619) 528-5000
- Enumerated
- Jan 19, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160808001213); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 1998
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4650 Palm Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Craig Maine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 66% of the cost of the top drugs
6,926 Medicare Part D claims for 1,973 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 209 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Azithromycin913 claims
- Typhim Vi554 claims
- Atovaquone-Proguanil Hcl395 claims
- Atorvastatin Calcium267 claims
- Havrix244 claims
- Lisinopril171 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 GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Craig Maine among 17,133 family medicine physician records in California
Michael Craig Maine, D.O. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Erica Goyal, M.D.San Diego, CA 921541144453804
- Ralph Hernandez, MDSan Diego, CA 921541285782151
- Victoria Lebron, N.P.San Diego, CA 921541477764462
- Arturo Ortuno, M.D.San Diego, CA 921541417272055
Common questions
What is Michael Craig Maine, D.O.'s NPI number?
Michael Craig Maine, D.O.'s National Provider Identifier (NPI) is 1659351203, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Craig Maine, D.O. located?
The NPPES record lists a practice address at 4650 Palm Ave, San Diego, CA, 92154. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Michael Craig Maine, D.O.'s license?
NPPES lists California license number 20A8559, 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 Michael Craig Maine, D.O. prescribe under Medicare Part D?
In 2024, Michael Craig Maine, D.O. had 6,926 Medicare Part D claims for 1,973 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.