IndividualActive
Diane Grendahl, RC
NPI 1619039435 · Counselor · Vancouver, WA
Diane Grendahl, RC is a Counselor provider in Vancouver, WA (NPI 1619039435).
Provider details
- NPI number
- 1619039435
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- RC
- Sex
- Female
- Sole proprietor
- No
- License
- RC00049674 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
6926 Ne Fourth Plain Blvd
Vancouver, WA 98661
Phone: (360) 993-3000
Fax: (360) 993-3047
Street-level locationGet directions
Mailing address
Po Box 1337
Vancouver, WA 98666-1337
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Grendahl's NPI number?
- Diane Grendahl's National Provider Identifier (NPI) is 1619039435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Grendahl's specialty?
- Diane Grendahl is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Diane Grendahl located?
- Diane Grendahl's practice location on file with NPPES is 6926 Ne Fourth Plain Blvd, Vancouver, WA 98661.
- What is Diane Grendahl's phone number?
- The practice phone number listed in the NPPES registry for Diane Grendahl is (360) 993-3000.
- Is Diane Grendahl's NPI active?
- Yes — Diane Grendahl's NPI (1619039435) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.