Monticello Counseling Services Ps
NPI 1649465048 · Clinical Social Worker · Longview, WA
Monticello Counseling Services Ps is a Clinical Social Worker organization in Longview, WA (NPI 1649465048).
Provider details
- NPI number
- 1649465048
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Len Zylstra, President(360) 425-2819
- License
- LW00004277 (WA)
Specialties & taxonomies
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
18 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
- 2007-09-09
- Last updated
- 2007-10-25
Frequently asked questions
- What is Monticello Counseling Services Ps's NPI number?
- Monticello Counseling Services Ps's National Provider Identifier (NPI) is 1649465048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Monticello Counseling Services Ps?
- Monticello Counseling Services Ps is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Monticello Counseling Services Ps located?
- Monticello Counseling Services Ps's practice location on file with NPPES is 1717 Olympia Way Ste 207, Longview, WA 98632-3929.
- What is Monticello Counseling Services Ps's phone number?
- The practice phone number listed in the NPPES registry for Monticello Counseling Services Ps is (360) 425-2819.
- Who is the authorized official for Monticello Counseling Services Ps?
- The authorized official listed on Monticello Counseling Services Ps's NPPES record is Len Zylstra, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Monticello Counseling Services Ps's NPI active?
- Yes — Monticello Counseling Services Ps's NPI (1649465048) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.