DR. STEVEN MARK FENWICK PH.D, LMHC, CDP
NPI 1790894483
Counselor - Addiction (Substance Use Disorder) in Olympia, WA
About Dr. Steven Mark Fenwick Ph.d, Lmhc, Cdp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN MARK FENWICK PH.D, LMHC, CDP (NPI 1790894483) is an individual addiction (substance use disorder) provider in Olympia, Washington, licensed in Washington (CP00002215) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Steven Mark Fenwick Ph.d, Lmhc, Cdp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
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 Fenwick's NPI number?
The NPI number for Steven Fenwick is 1790894483. It was assigned to this individual provider in the NPPES registry on August 29, 2006.
Where is Steven Fenwick located?
Steven Fenwick practices at 222 Kenyon St NW Ste 14, Olympia, WA 98502. The listed phone number is (360) 867-1877.
What is Steven Fenwick's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Steven Fenwick enrolled in Medicare?
Yes. Steven Fenwick is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Steven Fenwick accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Steven Fenwick 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 Fenwick was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Dr. Steven Mark Fenwick, PH.D, LMHC, CDP · NPI 1790894483
Addiction (Substance Use Disorder) provider in Olympia, Washington. Individual provider, active in the CMS NPPES registry since August 29, 2006.
## Identity
- **NPI:** 1790894483 (Entity type: Individual)
- **Enumerated:** August 29, 2006
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** CP00002215 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 222 KENYON ST NW STE 14, Olympia, WA 98502-4553
- **Phone:** (360) 867-1877
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** September 11, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1790894483) · Data from the CMS NPPES public registry.