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

Dr. John Marion Rossi, DDS

Individual provider General Practice Dentistry · NPI 1003953878

Dr. John Marion Rossi, DDS is a General Practice Dentistry in Sammamish, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

504 228th Ave NE
Sammamish, WA 98074-7226
Phone: (425) 868-3887
Fax: (485) 868-8339
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DE 5315 (WA)

Record details

NPI number1003953878
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 31, 2007
Last updated in NPPESJuly 8, 2007
Mailing address251 East Lk. Samm Pkwy Ne, Sammamish, WA 98074-7226

Other providers in Sammamish