Steven L Mattson, MD - Medicare Anesthesiology in Longview, WA

Steven L Mattson, MD is a medicare enrolled "Anesthesiology" physician in Longview, Washington. His current practice location is 1615 Delaware St, Longview, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 414-2000.

Steven L Mattson is licensed to practice in Washington (license number MD00047821) 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 1770692410.

Contact Information

Steven L Mattson, MD
1615 Delaware St,
Longview, WA 98632-2367
(360) 414-2000
(360) 414-7638

Map and Direction




Physician's Profile

Full NameSteven L Mattson
GenderMale
SpecialityAnesthesiology
Location1615 Delaware St, Longview, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770692410
  • Provider Enumeration Date: 08/29/2006
  • Last Update Date: 06/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9739272527
  • Enrollment ID: I20070910001050

Medical Identifiers

Medical identifiers for Steven L Mattson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770692410NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology ML20007717 (Washington)Secondary
207L00000XAnesthesiology MD00047821 (Washington)Primary

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. Steven L Mattson allows following entities to bill medicare on his behalf.
Entity NamePeacehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720056187
PECOS PAC ID: 5890689293
Enrollment ID: O20040209000272
Entity NameTacoma Anesthesia Associates Inc Ps
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447227814
PECOS PAC ID: 6002704475
Enrollment ID: O20040308000648

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. Steven L Mattson 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
Steven L Mattson, MD
3633 Pacific Ave Suite 204,
Tacoma, WA 98418

Ph: (206) 407-9060
Steven L Mattson, MD
1615 Delaware St,
Longview, WA 98632-2367

Ph: (360) 414-2000

Reviews and Comments


Anesthesiology Doctors in Longview, WA

Bradford W Burger, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1516 Delaware St, Anesthesia Dept., Longview, WA 98632
Phone: 360-425-7280    
Todd A Phillips, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1615 Delaware St, Anesthesia Dept, Longview, WA 98632
Phone: 360-425-7280    
Bonnie Song, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 888-423-7717    
Herbert W Fleege, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1615 Delaware St, Anesthesia Dept., Longview, WA 98632
Phone: 360-425-7280    
Stephanie L Davis, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 360-414-2000    Fax: 360-414-7555
Dr. Brian H Ngo, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1615 Delaware St, Longview, WA 98632
Phone: 360-636-4878    Fax: 360-414-7638
Dr. Chester Chi Tak Hu, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1615 Delaware St, Anesthesiology, Longview, WA 98632
Phone: 360-636-4878    Fax: 360-414-7457

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.