Tiffany Lynn Mathias Fielder, MD - Medicare Pain Management in Everett, WA

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Tiffany Lynn Mathias Fielder, MD is a medicare enrolled "Pain Medicine - Pain Medicine" physician in Everett, Washington. She graduated from medical school in 2014 and has 12 years of diverse experience with area of expertise as Pain Management. She is a member of the group practice Rapid Care Enterprises, Inc. and her current practice location is 4027 Hoyt Ave, Everett, Washington. You can reach out to her office (for appointments etc.) via phone at (206) 860-5414.

Tiffany Lynn Mathias Fielder is licensed to practice in Washington (license number 61496551) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1891144580.

Contact Information

Tiffany Lynn Mathias Fielder, MD
4027 Hoyt Ave,
Everett, WA 98201-4920
(206) 860-5414
Not Available

Map and Direction




Physician's Profile

Full NameTiffany Lynn Mathias Fielder
GenderFemale
SpecialityPain Management
Experience12 Years
Location4027 Hoyt Ave, Everett, Washington
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Tiffany Lynn Mathias Fielder graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1891144580
  • Provider Enumeration Date: 06/03/2016
  • Last Update Date: 04/20/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1052734985
  • Enrollment ID: I20200709003148

Medical Identifiers

Medical identifiers for Tiffany Lynn Mathias Fielder such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891144580NPI-NPPES
A161559OtherCAMEDICAL LIC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208VP0014XPain Medicine - Interventional Pain Medicine A161559 (California)Secondary
208VP0000XPain Medicine - Pain Medicine 61496551 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rapid Care Enterprises, Inc.47899640402

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. Tiffany Lynn Mathias Fielder allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
Entity NameRapid Care Enterprises, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023560604
PECOS PAC ID: 4789964040
Enrollment ID: O20161205000285

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. Tiffany Lynn Mathias Fielder 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
Tiffany Lynn Mathias Fielder, MD
Po Box 5127,
Everett, WA 98206-5127

Ph: (206) 860-5414		Tiffany Lynn Mathias Fielder, MD
4027 Hoyt Ave,
Everett, WA 98201-4920

Ph: (206) 860-5414

Reviews and Comments


Pain Medicine Doctors in Everett, WA

Catherine J Yee, MD
Pain Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 12728 19th Ave Se Ste 300, Everett, WA 98208
Phone: 425-212-3130    Fax: 425-320-1187

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.