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Alexander Duncan, PSY.D., ABPP
NPI 1972741205 · Psychologist · Portland, OR
Alexander Duncan, PSY.D., ABPP is a Psychologist provider in Portland, OR (NPI 1972741205).
Provider details
- NPI number
- 1972741205
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D., ABPP
- Sex
- Male
- Sole proprietor
- No
- License
- 1912 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
6124 Se Milwaukie Ave Ste C
Portland, OR 97202-5347
Phone: (503) 807-7180
Fax: (503) 236-2700
Street-level locationGet directions
Mailing address
Po Box 82287
Portland, OR 97282-0287
Registry dates
- Enumerated
- 2009-01-23
- Last updated
- 2010-07-16
Frequently asked questions
- What is Alexander Duncan's NPI number?
- Alexander Duncan's National Provider Identifier (NPI) is 1972741205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Duncan's specialty?
- Alexander Duncan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Alexander Duncan located?
- Alexander Duncan's practice location on file with NPPES is 6124 Se Milwaukie Ave Ste C, Portland, OR 97202-5347.
- What is Alexander Duncan's phone number?
- The practice phone number listed in the NPPES registry for Alexander Duncan is (503) 807-7180.
- Is Alexander Duncan's NPI active?
- Yes — Alexander Duncan's NPI (1972741205) is active in the NPPES registry as of the last update on 2010-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.