David Lewallen, PSYD
NPI 1457721979 · Psychologist · West Linn, OR
David Lewallen, PSYD is a Psychologist provider in West Linn, OR (NPI 1457721979).
Provider details
- NPI number
- 1457721979
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2015-09-26
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is David Lewallen's NPI number?
- David Lewallen's National Provider Identifier (NPI) is 1457721979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lewallen's specialty?
- David Lewallen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is David Lewallen located?
- David Lewallen's practice location on file with NPPES is 21900 Willamette Dr Ste 202, West Linn, OR 97068-3284.
- What is David Lewallen's phone number?
- The practice phone number listed in the NPPES registry for David Lewallen is (503) 653-0631.
- Is David Lewallen's NPI active?
- Yes — David Lewallen's NPI (1457721979) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.