Matthew J. Fagan, D.O.
Family Medicine Physician · Vallejo, CA
Matthew J. Fagan, D.O. is a family medicine physician with a practice address in Vallejo, California, and NPI 1740488543, issued on Jul 3, 2007. Check the license (California 13007, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew J. Fagan
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 13007 CA
DO034331 DC
0116019758 VA
Self-reported in NPPES; status is on the state search - Practice location
- 365 Tuolumne St, Vallejo, CA 94590
- Phone
- (707) 553-5509
- Enumerated
- Jul 3, 2007
- Record last updated
- Dec 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 365 Tuolumne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Georgia Allen, DOInternal Medicine Physician1508844796
- Karla BaileyFamily Nurse Practitioner1700433604
- Gabriel Bascara, PA-CPhysician Assistant1467294934
- Michael Clearfield, D.O.Internal Medicine Physician1689638561
- Laurena Dongmo FotsingAdult Medicine Physician1003433699
- Jennifer Elton, FNPFamily Nurse Practitioner1720462468
Verify Matthew J. Fagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 13007Check 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% fewer Medicare Part D claims than the average family medicine physician in 2024
158 Medicare Part D claims for 127 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass22 claims
- Azithromycin21 claims
- Prednisone17 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.
Matthew J. Fagan among 17,133 family medicine physician records in California
Matthew J. Fagan, 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 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 fileNo · 62% of these records are
- 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).
66 family medicine physician records list a practice address in Vallejo
They are 66 of the 2,836 NPPES records with a practice address in Vallejo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vallejo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Zoe Cappe, M.DVallejo, CA 945901326421108
- Wasfa Jahangiri, MDVallejo, CA 945901215021175
- Francis Ko, M.D.Vallejo, CA 945901912102179
- James Lessenger, MDVallejo, CA 945901427206796
- Steve Lim, MDVallejo, CA 945901174548481
- Moneesha Mukherjee, MDVallejo, CA 945901386374700
- Kyra Ray, MDVallejo, CA 945901154948925
- Jay Shubrook, DOVallejo, CA 945901336179704
Common questions
What is Matthew J. Fagan, D.O.'s NPI number?
Matthew J. Fagan, D.O.'s National Provider Identifier (NPI) is 1740488543, issued on Jul 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. Fagan, D.O. located?
The NPPES record lists a practice address at 365 Tuolumne St, Vallejo, CA, 94590. Phone: (707) 553-5509. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. Fagan, D.O.'s license?
NPPES lists California license number 13007, 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 Matthew J. Fagan, D.O. prescribe under Medicare Part D?
In 2024, Matthew J. Fagan, D.O. had 158 Medicare Part D claims for 127 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.