William P Hammond Iv, MD - Medicare Hematology/oncology in Burien, WA

William P Hammond Iv, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Burien, Washington. He went to Tufts University School Of Medicine and graduated in 1972 and has 52 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Bay Area Hospital District and his current practice location is 16233 Sylvester Rd Sw, Burien, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 439-5577.

William P Hammond Iv is licensed to practice in Washington (license number MD00013202) 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 1740277219.

Contact Information

William P Hammond Iv, MD
16233 Sylvester Rd Sw,
Burien, WA 98166-3045
(206) 439-5577
(253) 426-4142

Map and Direction




Physician's Profile

Full NameWilliam P Hammond Iv
GenderMale
SpecialityHematology/oncology
Experience52 Years
Location16233 Sylvester Rd Sw, Burien, 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:
  • William P Hammond Iv attended and graduated from Tufts University School Of Medicine in 1972
  NPI Data:
  • NPI Number: 1740277219
  • Provider Enumeration Date: 09/30/2005
  • Last Update Date: 12/03/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5193871846
  • Enrollment ID: I20191125001240

Medical Identifiers

Medical identifiers for William P Hammond Iv such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740277219NPI-NPPES
156945OtherWAL&I
1740277219MedicaidWA
1017833MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD00013202 (Washington)Secondary
207RX0202XInternal Medicine - Medical Oncology MD00013202 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bay Area HospitalCoos bay, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bay Area Hospital District216333100071

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 P Hammond Iv allows following entities to bill medicare on his behalf.
Entity NameBay Area Hospital District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225016561
PECOS PAC ID: 2163331000
Enrollment ID: O20040310000301

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 P Hammond Iv 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 P Hammond Iv, MD
16233 Sylvester Rd Sw,
Burien, WA 98166-3045

Ph: (206) 439-5577
William P Hammond Iv, MD
16233 Sylvester Rd Sw,
Burien, WA 98166-3045

Ph: (206) 439-5577

Reviews and Comments


Internal Medicine Doctors in Burien, WA

Sherry Parker, RN
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 117 Sw 160th St, Burien, WA 98166
Phone: 206-242-2030    
Scott Slaymaker, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16110 8th Ave Sw, Ste A-2, Burien, WA 98166
Phone: 206-242-8280    Fax: 206-242-8302
Jeanne M Isaacson, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16259 Sylvester Rd Sw, Suite 504, Burien, WA 98166
Phone: 206-242-7900    
Bonnie J Takasugi, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16233 Sylvester Rd Sw, Suite 110, Burien, WA 98166
Phone: 206-241-2622    Fax: 206-241-4429
Cameron Gordon Hampton Smith, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16045 1st Ave S Fl 1, Burien, WA 98148
Phone: 206-965-4100    Fax: 206-965-4119
Dr. Richard Lawrence Olstein, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16233 Sylvester Rd Sw Ste 260, Burien, WA 98166
Phone: 206-835-7400    Fax: 206-835-7439
Dr. Christopher W. Duncan, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16233 Sylvester Rd Sw, G-20, Burien, WA 98166
Phone: 206-431-9771    Fax: 206-431-5484

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.