Donald Stevens, PHD
NPI 1811056641 · Clinical Psychologist · Mount Vernon, WA
Donald Stevens, PHD is a Clinical Psychologist provider in Mount Vernon, WA (NPI 1811056641).
Provider details
- NPI number
- 1811056641
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PY00000353 (WA)
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
- 2006-12-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Stevens's NPI number?
- Donald Stevens's National Provider Identifier (NPI) is 1811056641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Stevens's specialty?
- Donald Stevens is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Donald Stevens located?
- Donald Stevens's practice location on file with NPPES is 2120 E Division St, Mount Vernon, WA 98274-4639.
- What is Donald Stevens's phone number?
- The practice phone number listed in the NPPES registry for Donald Stevens is (360) 424-4258.
- Is Donald Stevens's NPI active?
- Yes — Donald Stevens's NPI (1811056641) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.