Peter K Sien, MD - Medicare Radiation Oncology in Kennewick, WA

Peter K Sien, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Kennewick, Washington. He went to Medical College Of Wisconsin and graduated in 1975 and has 49 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Multicare Health System and his current practice location is 7379 W Deschutes Ave Ste 100, Kennewick, Washington. You can reach out to his office (for appointments etc.) via phone at (509) 987-1800.

Peter K Sien is licensed to practice in Washington (license number MD60698178) 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 1053399568.

Contact Information

Peter K Sien, MD
7379 W Deschutes Ave Ste 100,
Kennewick, WA 99336-7900
(509) 987-1800
(509) 987-1808

Map and Direction




Physician's Profile

Full NamePeter K Sien
GenderMale
SpecialityRadiation Oncology
Experience49 Years
Location7379 W Deschutes Ave Ste 100, Kennewick, 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:
  • Peter K Sien attended and graduated from Medical College Of Wisconsin in 1975
  NPI Data:
  • NPI Number: 1053399568
  • Provider Enumeration Date: 01/04/2006
  • Last Update Date: 09/17/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8022911619
  • Enrollment ID: I20171128002516

Medical Identifiers

Medical identifiers for Peter K Sien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053399568NPI-NPPES
00G322670MedicaidCA
1053399568OtherWAREGENCE BLUE SHIELD
4313432OtherWAAETNA
3620029OtherCACIGNA
500732059MedicaidOR
P01708893OtherFLRR MEDICARE
4313432OtherFLAETNA
CA211033MedicaidCA
1053399568MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology MD60698178 (Washington)Primary
2085R0001XRadiology - Radiation Oncology G32267 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tacoma General Allenmore HospitalTacoma, WAHospital
Kadlec Regional Medical CenterRichland, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Multicare Health System77198998971689

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. Peter K Sien allows following entities to bill medicare on his behalf.
Entity NameMulticare Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497766638
PECOS PAC ID: 7719899897
Enrollment ID: O20031105000760
Entity NameNorthwest Cancer Care Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164810545
PECOS PAC ID: 5193036390
Enrollment ID: O20150615001025

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. Peter K Sien 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
Peter K Sien, MD
163 Valleyview Way,
South San Francisco, CA 94080-5553

Ph: (510) 410-0188
Peter K Sien, MD
7379 W Deschutes Ave Ste 100,
Kennewick, WA 99336-7900

Ph: (509) 987-1800

Reviews and Comments


Radiology Doctors in Kennewick, WA

Mrs. Sheila D Rege, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 7379 W Deschutes Ave, Ste 100, Kennewick, WA 99336
Phone: 509-987-1800    Fax: 509-987-1808
Dr. Sandip Arvind Patidar, MD
Radiology
Medicare: Medicare Enrolled
Practice Location: 900 S Auburn Street, Kennewick, WA 99336
Phone: 509-586-5945    Fax: 509-586-5178
Steven J Sunderland, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 7221 W Deschutes Ave, Suite A, Kennewick, WA 99336
Phone: 509-374-4030    Fax: 509-374-4030
Dr. Andrew Thomas Roehrig, MD
Radiology
Medicare: Medicare Enrolled
Practice Location: 7350 W Deschutes Ave Ste A, Kennewick, WA 99336
Phone: 509-737-3371    Fax: 509-736-0958
Dr. Lon Sidney Welch Jr., M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 7221 W Deschutes Ave, Suite A, Kennewick, WA 99336
Phone: 509-374-4030    Fax: 509-374-8690
Ryan Douglas Kraus, MD
Radiology
Medicare: Medicare Enrolled
Practice Location: 7350 W Deschutes Ave Ste A, Kennewick, WA 99336
Phone: 509-737-3371    

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.

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