Justin Steffener, PSY.D.
NPI 1013218767 · Clinical Psychologist · Mill Creek, WA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Steffener, PSY.D. is a Clinical Psychologist provider in Mill Creek, WA (NPI 1013218767).
Provider details
- NPI number
- 1013218767
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MC60197538 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1728 W Marine View DrEverett, WA 98201-2094Phone: (425) 339-5453Fax: (425) 252-4441
Registry dates
- Enumerated
- 2010-11-11
- Last updated
- 2023-03-07
- Certified
- 2023-03-07
Frequently asked questions
- What is Justin Steffener's NPI number?
- Justin Steffener's National Provider Identifier (NPI) is 1013218767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Steffener's specialty?
- Justin Steffener is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Justin Steffener located?
- Justin Steffener's practice location on file with NPPES is 15418 Main St, Mill Creek, WA 98012-9030.
- What is Justin Steffener's phone number?
- The practice phone number listed in the NPPES registry for Justin Steffener is (425) 339-5453.
- Does Justin Steffener accept Medicare?
- Justin Steffener is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Steffener's NPI active?
- Yes — Justin Steffener's NPI (1013218767) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.