Paul Michael Matsumoto, D.O.
Family Medicine Physician · San Diego, CA
Paul Michael Matsumoto, D.O. is a family medicine physician with a practice address in San Diego, California, and NPI 1295745602, issued on Aug 8, 2006. Check the license (California 20A6907, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Michael Matsumoto
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A6907 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Genesee Ave, San Diego, CA 92123
- Phone
- (858) 499-2600
- Enumerated
- Aug 8, 2006
- Record last updated
- Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (858) 616-8175
- Medicaid ID
- 00AX69070 CA
- Medicare enrollment
- Enrolled (PECOS I20100824001172); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2020 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul Michael Matsumoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average family medicine physician in 2024
3,931 Medicare Part D claims for 606 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 29 claims were for opioids.
Most prescribed
- Atorvastatin Calcium254 claims
- Losartan Potassium205 claims
- Amlodipine Besylate152 claims
- Levothyroxine Sodium138 claims
- Lovastatin126 claims
- Lisinopril116 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): 73.6 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
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Michael Matsumoto among 17,133 family medicine physician records in California
Paul Michael Matsumoto, 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
- Graduated1995 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 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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- Jennifer Leung, M.D.San Diego, CA 921231407866957
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- Dawn Long, M.D.San Diego, CA 921231861429813
- Aimee Lopes, M.D.San Diego, CA 921231851409593
Common questions
What is Paul Michael Matsumoto, D.O.'s NPI number?
Paul Michael Matsumoto, D.O.'s National Provider Identifier (NPI) is 1295745602, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Michael Matsumoto, D.O. located?
The NPPES record lists a practice address at 2020 Genesee Ave, San Diego, CA, 92123. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.
How can I verify Paul Michael Matsumoto, D.O.'s license?
NPPES lists California license number 20A6907, 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 Paul Michael Matsumoto, D.O. prescribe under Medicare Part D?
In 2024, Paul Michael Matsumoto, D.O. had 3,931 Medicare Part D claims for 606 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Paul Michael Matsumoto, D.O.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.