Mr Timothy Brian Matthiessen, RD - Dietitian in Walnut Creek, CA

Mr Timothy Brian Matthiessen, RD is a Dietitian, Registered based in Walnut Creek, California. Mr Timothy Brian Matthiessen is licensed to practice in Virginia (license number 1059639) and his current practice location is 1425 S Main St, Walnut Creek, California. He can be reached at his office (for appointments etc.) via phone at (925) 295-4422.

NPI number for Mr Timothy Brian Matthiessen is 1972276475 and his current mailing address is 2266 Lisa Ln, Pleasant Hill, California. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1972276475.

Contact Information

Mr Timothy Brian Matthiessen, RD
1425 S Main St,
Walnut Creek, CA 94596-5318
(925) 295-4422
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameMr Timothy Brian Matthiessen
GenderMale
SpecialityDietitian, Registered
Location1425 S Main St, Walnut Creek, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1972276475
  • Provider Enumeration Date: 07/29/2021
  • Last Update Date: 11/23/2021

Medical Identifiers

Medical identifiers for Mr Timothy Brian Matthiessen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972276475NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered 1059639 (Virginia)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. Mr Timothy Brian Matthiessen is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr Timothy Brian Matthiessen, RD
2266 Lisa Ln,
Pleasant Hill, CA 94523-3951

Ph: (408) 410-0869
Mr Timothy Brian Matthiessen, RD
1425 S Main St,
Walnut Creek, CA 94596-5318

Ph: (925) 295-4422

Reviews and Comments


Dietitian, Registered in Walnut Creek, CA

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Ms. Judith F Bailey, MS RD CDE
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Hannah Mcgoon, R.D.
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Marion Lee Armstrong,
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Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4947    
Allora P Macmahon, RD
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Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-5920    

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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