John Keith Weixler, NP - Medicare in Fairfield, CA

John Keith Weixler, NP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Fairfield, California. His current practice location is 470 Chadbourne Rd Ste A, Fairfield, California. You can reach out to his office (for appointments etc.) via phone at (707) 419-8989.

John Keith Weixler is licensed to practice in California (license number 95018841) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1699438820.

Contact Information

John Keith Weixler, NP
470 Chadbourne Rd Ste A,
Fairfield, CA 94534-9620
(707) 419-8989
Not Available

Map and Direction




Provider's Profile

Full NameJohn Keith Weixler
GenderMale
Speciality
Experience Years
Location470 Chadbourne Rd Ste A, Fairfield, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Keith Weixler attended and graduated from in
  NPI Data:
  • NPI Number: 1699438820
  • Provider Enumeration Date: 10/14/2021
  • Last Update Date: 09/04/2025
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for John Keith Weixler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699438820NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 95018841 (California)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Keith Weixler is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Keith Weixler, NP
1141 Pear Tree Ln,
Napa, CA 94558-6484

Ph: (707) 254-1770
John Keith Weixler, NP
470 Chadbourne Rd Ste A,
Fairfield, CA 94534-9620

Ph: (707) 419-8989

Reviews and Comments


Nurse Practitioner Nurses in Fairfield, CA

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.