Matthew Westfall, DO - Medicare Family Practice in Ventura, CA

Matthew Westfall, DO is a medicare enrolled "Family Medicine" physician in Ventura, California. He went to Touro Un College Of Osteopathic Medicine, Vallejo and graduated in 2018 and has 6 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Primary Medical Group Of Ventura County Inc and his current practice location is 2772 Johnson Dr Ste 100, Ventura, California. You can reach out to his office (for appointments etc.) via phone at (805) 642-1430.

Matthew Westfall is licensed to practice in California (license number 20A18047) 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 1609361427.

Contact Information

Matthew Westfall, DO
2772 Johnson Dr Ste 100,
Ventura, CA 93003-7261
(805) 642-1430
(833) 916-2136

Map and Direction




Physician's Profile

Full NameMatthew Westfall
GenderMale
SpecialityFamily Practice
Experience6 Years
Location2772 Johnson Dr Ste 100, Ventura, 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:
  • Matthew Westfall attended and graduated from Touro Un College Of Osteopathic Medicine, Vallejo in 2018
  NPI Data:
  • NPI Number: 1609361427
  • Provider Enumeration Date: 06/25/2018
  • Last Update Date: 09/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9234538117
  • Enrollment ID: I20210526000299

Medical Identifiers

Medical identifiers for Matthew Westfall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609361427NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A18047 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mission Home Health Of VenturaVentura, CAHome health agency

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Primary Medical Group Of Ventura County Inc034521816021

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Matthew Westfall allows following entities to bill medicare on his behalf.
Entity NamePrimary Medical Group Of Ventura County Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417970849
PECOS PAC ID: 0345218160
Enrollment ID: O20040920001052

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. Matthew Westfall 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
Matthew Westfall, DO
147 N Brent St,
Ventura, CA 93003-2809

Ph: () -
Matthew Westfall, DO
2772 Johnson Dr Ste 100,
Ventura, CA 93003-7261

Ph: (805) 642-1430

Reviews and Comments


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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.