Steven Larzelier, LCSW
NPI 1083852305 · Clinical Social Worker · Tillamook, OR
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Larzelier, LCSW is a Clinical Social Worker provider in Tillamook, OR (NPI 1083852305).
Provider details
- NPI number
- 1083852305
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LW 60116543 (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
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
Mailing address
Registry dates
- Enumerated
- 2009-01-23
- Last updated
- 2017-03-24
Frequently asked questions
- What is Steven Larzelier's NPI number?
- Steven Larzelier's National Provider Identifier (NPI) is 1083852305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Larzelier's specialty?
- Steven Larzelier is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Steven Larzelier located?
- Steven Larzelier's practice location on file with NPPES is 906 Main Ave, Tillamook, OR 97141-3618.
- What is Steven Larzelier's phone number?
- The practice phone number listed in the NPPES registry for Steven Larzelier is (503) 842-8201.
- Does Steven Larzelier accept Medicare?
- Steven Larzelier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Larzelier's NPI active?
- Yes — Steven Larzelier's NPI (1083852305) is active in the NPPES registry as of the last update on 2017-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.