Dennis Henderson, PSY.D.
NPI 1699839753 · Clinical Psychologist · Gladstone, OR
Dennis Henderson, PSY.D. is a Clinical Psychologist provider in Gladstone, OR (NPI 1699839753).
Provider details
- NPI number
- 1699839753
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1079 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2007-07-09
Frequently asked questions
- What is Dennis Henderson's NPI number?
- Dennis Henderson's National Provider Identifier (NPI) is 1699839753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Henderson's specialty?
- Dennis Henderson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Dennis Henderson located?
- Dennis Henderson's practice location on file with NPPES is 880 82nd Dr, Gladstone, OR 97027-1803.
- What is Dennis Henderson's phone number?
- The practice phone number listed in the NPPES registry for Dennis Henderson is (503) 659-5515.
- Is Dennis Henderson's NPI active?
- Yes — Dennis Henderson's NPI (1699839753) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.