IndividualActive
Mark Dillon, PH.D.
NPI 1295870038 · Psychologist · Portland, OR
Mark Dillon, PH.D. is a Psychologist provider in Portland, OR (NPI 1295870038).
Provider details
- NPI number
- 1295870038
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1722 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2720 Ne 33rd Ave
Portland, OR 97212-3648
Phone: (503) 281-6162
Fax: (503) 284-1750
Street-level locationGet directions
Mailing address
2720 Ne 33rd Avenue
Portland, OR 97212
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2011-09-08
Frequently asked questions
- What is Mark Dillon's NPI number?
- Mark Dillon's National Provider Identifier (NPI) is 1295870038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dillon's specialty?
- Mark Dillon is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Dillon located?
- Mark Dillon's practice location on file with NPPES is 2720 Ne 33rd Ave, Portland, OR 97212-3648.
- What is Mark Dillon's phone number?
- The practice phone number listed in the NPPES registry for Mark Dillon is (503) 281-6162.
- Is Mark Dillon's NPI active?
- Yes — Mark Dillon's NPI (1295870038) is active in the NPPES registry as of the last update on 2011-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.