Matthew T Johnson, MD - Medicare Internal Medicine in Fairfield, CA

Matthew T Johnson, MD is a medicare enrolled "Internal Medicine" physician in Fairfield, California. His current practice location is 1261 Travis Blvd, Ste 320, Fairfield, California. You can reach out to his office (for appointments etc.) via phone at (707) 423-2506.

Matthew T Johnson is licensed to practice in California (license number G38149) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1659487395.

Contact Information

Matthew T Johnson, MD
1261 Travis Blvd, Ste 320,
Fairfield, CA 94533-4897
(707) 423-2506
(707) 425-4236

Map and Direction




Physician's Profile

Full NameMatthew T Johnson
GenderMale
SpecialityInternal Medicine
Location1261 Travis Blvd, Fairfield, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1659487395
  • Provider Enumeration Date: 08/23/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981750171
  • Enrollment ID: I20101004000852

Medical Identifiers

Medical identifiers for Matthew T Johnson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659487395NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G38149 (California)Primary
207RI0200XInternal Medicine - Infectious Disease G38149 (California)Secondary

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 T Johnson 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 T Johnson, MD
1261 Travis Blvd, Ste 320,
Fairfield, CA 94533-4897

Ph: (707) 423-2506
Matthew T Johnson, MD
1261 Travis Blvd, Ste 320,
Fairfield, CA 94533-4897

Ph: (707) 423-2506

Reviews and Comments


Internal Medicine Doctors in Fairfield, CA

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Dr. Jeannette Peterson, M.D.
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Warren Joseph A San Diego, MD
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Phone: 707-423-3000    

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).

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