Steven Doug Larzelier, LCSW
Clinical Social Worker · Tillamook, OR
Steven Doug Larzelier, LCSW is a clinical social worker with a practice address in Tillamook, Oregon, and NPI 1083852305, issued on Jan 23, 2009. Check the license (Oregon L5374, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven Doug Larzelier
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- L5374 OR
LW 60116543 WA
Self-reported in NPPES; status is on the state search - Practice location
- 906 Main Ave, Tillamook, OR 97141
- Phone
- (503) 842-8201
- Enumerated
- Jan 23, 2009
- Record last updated
- Mar 24, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (503) 815-1870
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,014 in Oregon → Look up another NPI →
Also registered at 906 Main Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Ballard, PMHNPPsychiatric/Mental Health Nurse Practitioner1902984297
- Kenneth Ballweg, QMHPMental Health Counselor1174765770
- Joshua BalmerPeer Specialist1831923341
- Kacey Balmer, BSWMental Health Counselor1619153368
- Jennifer BarksdalePeer Specialist1992375182
- Maria Bateman, MSWMental Health Counselor1548007917
Verify Steven Doug Larzelier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license L5374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Steven Doug Larzelier among 5,014 clinical social worker records in Oregon
Steven Doug Larzelier, LCSW is one of 5,014 clinical social worker records with a practice address in Oregon. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 29% of them.
- NPI issued2009 · 29% of these records are older, 67% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2017 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 clinical social worker records list a practice address in Tillamook
They are 19 of the 250 NPPES records with a practice address in Tillamook, and 5,014 clinical social worker records in Oregon.
All 5,014 in Oregon → Every provider in Tillamook → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jan Bartlett, LCSWTillamook, OR 971411538154992
- Patricia Blondo, LCSWTillamook, OR 971411619314689
- Frances Cumberledge, LCSWTillamook, OR 971411659556439
- Mary Dearborn, LCSWTillamook, OR 971411619370806
- Justin Hersom, LCSWTillamook, OR 971411871937078
- Sarah LukerTillamook, OR 971411568906493
- Pamela Mabry, LCSWTillamook, OR 971411346379898
- Kimberlie Miller, LCSWTillamook, OR 971411285932491
Common questions
What is Steven Doug Larzelier, LCSW's NPI number?
Steven Doug Larzelier, LCSW's National Provider Identifier (NPI) is 1083852305, issued on Jan 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Steven Doug Larzelier, LCSW located?
The NPPES record lists a practice address at 906 Main Ave, Tillamook, OR, 97141. Phone: (503) 842-8201. Providers update this record themselves, so call before visiting.
How can I verify Steven Doug Larzelier, LCSW's license?
NPPES lists Oregon license number L5374, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
What is Steven Doug Larzelier, LCSW's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.