Jon R. Maust, M.D.
Psychiatry Physician · Fairfield, CA
Jon R. Maust, M.D. is a psychiatry physician with a practice address in Fairfield, California, and NPI 1356676464, issued on Oct 7, 2009. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jon R. Maust
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 04-35230 KS
TRAINING CERT# PEND OH
Self-reported in NPPES; status is on the state search - Practice location
- 101 Bodin Cir, Fairfield, CA 94535
- Phone
- (707) 423-3000
- Enumerated
- Oct 7, 2009
- Record last updated
- Jun 18, 2026
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 101 Bodin Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Aguayo, MSWSocial Worker1225504897
- Artemio Alanis, PHARMDOncology Pharmacist1396513982
- Traci Allen, RNCase Management Registered Nurse1669292132
- Rachel Anderson, MDAnesthesiology Physician1942730072
- Eugene Asabor, DDSDentist1568300242
- Savannah Bahls, DOMilitary Health Care Provider1619764008
Verify Jon R. Maust in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jon R. Maust among 8,673 psychiatry physician records in California
Jon R. Maust, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Fairfield → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nataliya Ables, D.O.Travis Afb, CA 945351205102431
- Riyadh Al-Jammaly, MDTravis Afb, CA 945351770998775
- Nicole Baker, M.D.Travis Afb, CA 945351689011462
- Philip Bowers, MDTravis Afb, CA 945351326500356
- April Lourdes Garing, MDTravis Afb, CA 945351861725988
- Richard Horton, MDTravis Afb, CA 945351629028873
- David Jiang, MDTravis Afb, CA 945351467984435
- Jeffrey Lewis, MD PHDTravis Afb, CA 945351710037106
Common questions
What is Jon R. Maust, M.D.'s NPI number?
Jon R. Maust, M.D.'s National Provider Identifier (NPI) is 1356676464, issued on Oct 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jon R. Maust, M.D. located?
The NPPES record lists a practice address at 101 Bodin Cir, Fairfield, CA, 94535. Phone: (707) 423-3000. Providers update this record themselves, so call before visiting.
How can I verify Jon R. Maust, M.D.'s license?
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.
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.