Dr Sean T Duffy, MD - Medicare Family Practice in Walla Walla, WA

Dr Sean T Duffy, MD is a medicare enrolled "Family Medicine" physician in Walla Walla, Washington. He went to University Of Virginia School Of Medicine and graduated in 1994 and has 30 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Yakima Valley Farm Workers Clinic and his current practice location is 1120 W Rose St, Walla Walla, Washington. You can reach out to his office (for appointments etc.) via phone at (509) 525-6650.

Dr Sean T Duffy is licensed to practice in Washington (license number MD00034058) 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 1528027901.

Contact Information

Dr Sean T Duffy, MD
1120 W Rose St,
Walla Walla, WA 99362-1662
(509) 525-6650
(509) 522-6817

Map and Direction




Physician's Profile

Full NameDr Sean T Duffy
GenderMale
SpecialityFamily Practice
Experience30 Years
Location1120 W Rose St, Walla Walla, 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:
  • Dr Sean T Duffy attended and graduated from University Of Virginia School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1528027901
  • Provider Enumeration Date: 03/22/2006
  • Last Update Date: 12/20/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 9234328766
  • Enrollment ID: I20110113000805

Medical Identifiers

Medical identifiers for Dr Sean T Duffy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528027901NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine MD00034058 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence St Mary Medical Center Home HealthWalla walla, WAHome health agency
Providence St Mary Medical CenterWalla walla, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yakima Valley Farm Workers Clinic4385541986206

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. Dr Sean T Duffy allows following entities to bill medicare on his behalf.
Entity NameYakima Valley Farm Workers Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295788602
PECOS PAC ID: 4385541986
Enrollment ID: O20040211000663

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. Dr Sean T Duffy 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
Dr Sean T Duffy, MD
Po Box 190,
Toppenish, WA 98948-0190

Ph: (509) 865-6175
Dr Sean T Duffy, MD
1120 W Rose St,
Walla Walla, WA 99362-1662

Ph: (509) 525-6650

Reviews and Comments


Family Medicine Doctors in Walla Walla, WA

Kevin Jon Molander, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1593
Dr. John Eric Moore, D.O.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1593
Samuel Kirtley, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1592
Nicole Siobhan Patching, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1111 S 2nd Ave, Walla Walla, WA 99362
Phone: 509-897-3700    Fax: 509-897-5575
Barry Kellogg, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1120 W Rose St, Walla Walla, WA 99362
Phone: 509-525-6650    Fax: 509-522-2349
Lehlia P Stanton, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 77 Wainwright Dr, Va Medical Center, Walla Walla, WA 99362
Phone: 509-527-3453    
Michael J Tacheny, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1120 W Rose St, Walla Walla, WA 99362
Phone: 509-525-6650    Fax: 509-522-2349

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.