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

Dr. Dennis Robert Sullivan, DC

Individual provider Chiropractor · NPI 1528247038

Dr. Dennis Robert Sullivan, DC is a Chiropractic in Portland, Oregon. Graduated from Western States College of Chiropractic in 1993, 33 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
33
Trained at
Western States College of Chiropractic
Licensed in
OR
In the registry since
2007
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3318 SE 156th Ave
Portland, OR 97236-2119
Phone: (503) 771-1010
Fax: (503) 771-5504
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 272867 (OR)

Record details

NPI number1528247038
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedOctober 31, 2007
Last updated in NPPESApril 14, 2011
Mailing address3318 Se 156th Ave, Portland, OR 97236-2119

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolWESTERN STATES COLLEGE OF CHIROPRACTIC
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Portland