Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JON R MAUST M.D.
NPI 1356676464
Psychiatry & Neurology - Psychiatry in Fairfield, CA

Q: What is Jon Maust's NPI number?

The NPI number for Jon Maust is 1356676464. It was assigned to this individual provider in the NPPES registry on October 7, 2009.

Q: What is Jon Maust's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Jon Maust was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 07, 2009

101 BODIN CIR, FAIRFIELD, CA 94535(707) 423-3000 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2024, Sep 30, 2019, Jul 11, 2017 (3 updates tracked since 2017).

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About Jon R Maust M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JON R MAUST M.D. (NPI 1356676464) is an individual psychiatry provider in Fairfield, California, licensed in Kansas (04-35230) and active in the NPI registry since October 2009.

NPPES Registry Identity

NPI1356676464

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJON R MAUSTCredential: M.D.

Location Address101 BODIN CIRFairfield, CA 94535-1809

Mailing Address101 Bodin Cir, Attn: GmeFairfield, CA 94535-1809 · (707) 423-7612

Phone(707) 423-3000

Sole ProprietorYes

Enumeration DateOctober 7, 2009

Last NPPES UpdateJune 18, 20263 updates tracked since enumeration

NPPES CertifiedJune 18, 2026

✔ NPI 1356676464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in KS · 04-35230✔ Licensed in OH · TRAINING CERT# PEND

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

101 BODIN CIR, Fairfield, CA 94535

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EDWARD SEAN RODRIGUEZ I.D.M.T

Military Health Care Provider (Independent Duty Medical Technicians)

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (707) 423-5478

KENDRA MONICA HILL PT

Physical Therapist

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (707) 423-3000

TIMOTHY GUENTHER MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (707) 423-3000

ANGELA GIESE MD

Surgery (Vascular Surgery)

101 BODIN CIR
FAIRFIELD, CA 94535

Solano County (707) 423-3000

DR. JOSCELYN D. A. C. AQUININGOC PHARMD

Pharmacist

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (626) 297-8649

CATHERINE CELINE BRANSTETTER

Dentist (General Practice)

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (707) 423-7085

MEGAN ELIZABETH LEE MD

Student in an Organized Health Care Education/Training Program

101 BODIN CIR
FAIRFIELD, CA 94535

Solano County (707) 423-3000

DR. STEVEN DANIEL DEMARTINI M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

101 BODIN CIR
TRAVIS AFB, CA 94535

Solano County (707) 423-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jon Maust's NPI number?

The NPI number for Jon Maust is 1356676464. It was assigned to this individual provider in the NPPES registry on October 7, 2009.

Where is Jon Maust located?

Jon Maust practices at 101 Bodin Cir, Fairfield, CA 94535. The listed phone number is (707) 423-3000.

What is Jon Maust's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Jon Maust was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.