IndividualActive
Maryellen Vander Sluis, LCSW
NPI 1760661912 · Clinical Social Worker · Napa, CA
Maryellen Vander Sluis, LCSW is a Clinical Social Worker provider in Napa, CA (NPI 1760661912).
Provider details
- NPI number
- 1760661912
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS8514 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
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
1515 Meek Ave
Napa, CA 94559-1519
Phone: (707) 255-5231
Street-level locationGet directions
Mailing address
1515 Meek Ave
Napa, CA 94559-1519
Registry dates
- Enumerated
- 2007-10-24
- Last updated
- 2007-10-24
Frequently asked questions
- What is Maryellen Vander Sluis's NPI number?
- Maryellen Vander Sluis's National Provider Identifier (NPI) is 1760661912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryellen Vander Sluis's specialty?
- Maryellen Vander Sluis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Maryellen Vander Sluis located?
- Maryellen Vander Sluis's practice location on file with NPPES is 1515 Meek Ave, Napa, CA 94559-1519.
- What is Maryellen Vander Sluis's phone number?
- The practice phone number listed in the NPPES registry for Maryellen Vander Sluis is (707) 255-5231.
- Is Maryellen Vander Sluis's NPI active?
- Yes — Maryellen Vander Sluis's NPI (1760661912) is active in the NPPES registry as of the last update on 2007-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.