MR. STEVEN DOUG LARZELIER LCSW
NPI 1083852305
Social Worker - Clinical in Tillamook, OR
About Mr. Steven Doug Larzelier Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEVEN DOUG LARZELIER LCSW (NPI 1083852305) is an individual clinical provider in Tillamook, Oregon, licensed in Oregon (L5374) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Steven Doug Larzelier Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Larzelier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Astoria, OR 97103
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1134146939 (Oregon)
- 278 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TILLAMOOK, OR 97141
TILLAMOOK, OR 97141
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Larzelier's NPI number?
The NPI number for Steven Larzelier is 1083852305. It was assigned to this individual provider in the NPPES registry on January 23, 2009.
Where is Steven Larzelier located?
Steven Larzelier practices at 906 Main Ave, Tillamook, OR 97141. The listed phone number is (503) 842-8201.
What is Steven Larzelier's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Steven Larzelier enrolled in Medicare?
Yes. Steven Larzelier is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Larzelier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Larzelier reassigns Medicare benefits to Columbia Lutheran Charities (Astoria, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Larzelier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Larzelier accept?
Health plans from Ambetter Health, BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska and 2 other insurers list Steven Larzelier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Steven Larzelier was last updated on March 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Steven Doug Larzelier, LCSW · NPI 1083852305
Clinical provider in Tillamook, Oregon. Individual provider, active in the CMS NPPES registry since January 23, 2009.
## Identity
- **NPI:** 1083852305 (Entity type: Individual)
- **Enumerated:** January 23, 2009
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** L5374 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 906 MAIN AVE, Tillamook, OR 97141-3618
- **Phone:** (503) 842-8201 · **Fax:** (503) 815-1870
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Columbia Lutheran Charities (NPI 1700809761, Astoria, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 24, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1083852305) · Data from the CMS NPPES public registry.