Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Sean T Duffy, MD

Individual provider Family Medicine Physician · NPI 1528027901

Dr. Sean T Duffy, MD is a Family Medicine Physician in Walla Walla, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1120 W Rose St
Walla Walla, WA 99362-1662
Phone: (509) 525-6650
Fax: (509) 522-6817
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00034058 (WA)

Record details

NPI number1528027901
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2006
Last updated in NPPESDecember 20, 2012
Mailing addressPo Box 190, Toppenish, WA 98948-0190

Other providers in Walla Walla