William R Macmaster Jr, MD - Medicare Family Medicine in Vancouver, WA

William R Macmaster Jr, MD is a medicare enrolled "Family Medicine" physician in Vancouver, Washington. His current practice location is 1115 Se 164th Ave Dept 358, Vancouver, Washington. You can reach out to his office (for appointments etc.) via phone at (360) 514-4441.

William R Macmaster Jr is licensed to practice in Oregon (license number MD25408) 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 1164557054.

Contact Information

William R Macmaster Jr, MD
1115 Se 164th Ave Dept 358,
Vancouver, WA 98683-8004
(360) 514-4441
(541) 431-8400

Map and Direction




Physician's Profile

Full NameWilliam R Macmaster Jr
GenderMale
SpecialityFamily Medicine
Location1115 Se 164th Ave Dept 358, Vancouver, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164557054
  • Provider Enumeration Date: 02/22/2007
  • Last Update Date: 02/24/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4688705130
  • Enrollment ID: I20100626000383

Medical Identifiers

Medical identifiers for William R Macmaster Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164557054NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine MD25408 (Oregon)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. William R Macmaster Jr allows following entities to bill medicare on his behalf.
Entity NamePeacehealth
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1902892391
PECOS PAC ID: 1254242357
Enrollment ID: O20030922000023
Entity NamePeacehealth Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447207287
PECOS PAC ID: 9032023270
Enrollment ID: O20031113000097
Entity NamePeacehealth Medical Group Cottage Grove
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780631267
PECOS PAC ID: 9436060530
Enrollment ID: O20040616001333

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. William R Macmaster Jr 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
William R Macmaster Jr, MD
1115 Se 164th Ave Dept 358,
Vancouver, WA 98683-8004

Ph: (360) 514-4441
William R Macmaster Jr, MD
1115 Se 164th Ave Dept 358,
Vancouver, WA 98683-8004

Ph: (360) 514-4441

Reviews and Comments


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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.