NPPES file of Aug 9, 2026

David Michael Mathis, M.D.

Family Medicine Physician · Vacaville, CA

David Michael Mathis, M.D. is a family medicine physician with a practice address in Vacaville, California, and NPI 1285666081, issued on Jul 6, 2006. Check the license (California G87757, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285666081
Name
David Michael Mathis
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G87757 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 California Dr, Vacaville, CA 95687
Phone
(707) 448-6841
Enumerated
Jul 6, 2006
Record last updated
Mar 13, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(707) 453-7029
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1600 California Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicolas Aguilera, M.D.Internal Medicine Physician1780876508
  2. Scott Akridge, MDPsychiatry Physician1356845408
  3. Karen Alexander, PH.DPsychologist1841455003
  4. Victoria Anthony, FNPFamily Nurse Practitioner1255522140
  5. Wesley AtkinsonPharmacy Technician1174454227
  6. Bruce Barton, LCSWMental Health Counselor1689815870

Verify David Michael Mathis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G87757    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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David Michael Mathis among 17,133 family medicine physician records in California

David Michael Mathis, 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 not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2012 · 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).

56 family medicine physician records list a practice address in Vacaville

They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,133 in California → Every provider in Vacaville → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Marsha Alexander, M.D.Vacaville, CA 956871275692055
  2. Lesley Carmichael, DOVacaville, CA 956871184848863
  3. Kam Chan, D.O.Vacaville, CA 956871730304502
  4. Ana Cherry, M.D.Vacaville, CA 956871679656573
  5. Joshua Connor, M.D.Vacaville, CA 956871326402736
  6. Nnenna Ikegbu, M.D.Vacaville, CA 956871801077680
  7. Shanaz Khambatta, D.O.Vacaville, CA 956871760587570
  8. Brian Leo, M.D.Vacaville, CA 956871891970745

Common questions

What is David Michael Mathis, M.D.'s NPI number?

David Michael Mathis, M.D.'s National Provider Identifier (NPI) is 1285666081, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Michael Mathis, M.D. located?

The NPPES record lists a practice address at 1600 California Dr, Vacaville, CA, 95687. Phone: (707) 448-6841. Providers update this record themselves, so call before visiting.

How can I verify David Michael Mathis, M.D.'s license?

NPPES lists California license number G87757, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.