JOHN KEITH WEIXLER NP
NPI 1699438820
Nurse Practitioner - Psychiatric/Mental Health in Fairfield, CA

Q: What is John Weixler's NPI number?

The NPI number for John Weixler is 1699438820. It was assigned to this individual provider in the NPPES registry on October 14, 2021.

Q: What is John Weixler's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for John Weixler was last updated on September 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 14, 2021PECOS Enrolled

470 CHADBOURNE RD STE A, FAIRFIELD, CA 94534(707) 419-8989 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 4, 2025, Oct 14, 2021 (2 updates tracked since 2021).

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About John Keith Weixler Np NPPES

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

JOHN KEITH WEIXLER NP (NPI 1699438820) is an individual psychiatric/mental health provider in Fairfield, California, licensed in California (95018841) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699438820

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameJOHN KEITH WEIXLERCredential: NP

Location Address470 CHADBOURNE RD STE AFairfield, CA 94534-9620

Mailing Address1141 Pear Tree LnNapa, CA 94558-6484 · (707) 254-1770

Phone(707) 419-8989

Sole ProprietorNo

Enumeration DateOctober 14, 2021

Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1699438820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in CA · 95018841

470 CHADBOURNE RD STE A, Fairfield, CA 94534

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Keith Weixler Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94534 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$98.85 typical visit price

range $65.02 – $191.95

Typical copayment $24.71 (range $16.25 – $47.98)

Most-billed visit code 99203

Established Patient

$113.05 typical visit price

range $21.86 – $157.69

Typical copayment $28.26 (range $5.46 – $39.42)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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