John Westerfield, MD - Medicare Anesthesiology in Longview, WA

John Westerfield, MD is a medicare enrolled "Anesthesiology" physician in Longview, Washington. He graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Peacehealth and his current practice location is 1615 Delaware St, Anesthesia Dept, Longview, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 414-2048.

John Westerfield is licensed to practice in Washington (license number MD00037635) 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 1609850197.

Contact Information

John Westerfield, MD
1615 Delaware St, Anesthesia Dept,
Longview, WA 98632-2310
(360) 414-2048
(360) 575-6749

Map and Direction




Physician's Profile

Full NameJohn Westerfield
GenderMale
SpecialityAnesthesiology
Experience33 Years
Location1615 Delaware St, Longview, Washington
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:
  • John Westerfield graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1609850197
  • Provider Enumeration Date: 11/30/2005
  • Last Update Date: 01/30/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 8921073420
  • Enrollment ID: I20080218000579

Medical Identifiers

Medical identifiers for John Westerfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609850197NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology MD00037635 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Peacehealth St John Medical CenterLongview, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Peacehealth5890689293180

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. John Westerfield 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

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. John Westerfield 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
John Westerfield, MD
Po Box 3002,
Longview, WA 98632-0302

Ph: (360) 414-2048
John Westerfield, MD
1615 Delaware St, Anesthesia Dept,
Longview, WA 98632-2310

Ph: (360) 414-2048

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.