IndividualActive
Caroline Mass
NPI 1841643723 · Clinical Social Worker · Everett, WA
Caroline Mass is a Clinical Social Worker provider in Everett, WA (NPI 1841643723).
Provider details
- NPI number
- 1841643723
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- SC 60244155 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
5007 Claremont Way
Everett, WA 98203
Phone: (425) 609-5505
Fax: (425) 609-5506
Street-level locationGet directions
Mailing address
Po Box 34703
Seattle, WA 98124-4206
Registry dates
- Enumerated
- 2016-07-15
- Last updated
- 2021-04-07
- Certified
- 2021-04-07
Frequently asked questions
- What is Caroline Mass's NPI number?
- Caroline Mass's National Provider Identifier (NPI) is 1841643723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Mass's specialty?
- Caroline Mass is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Caroline Mass located?
- Caroline Mass's practice location on file with NPPES is 5007 Claremont Way, Everett, WA 98203.
- What is Caroline Mass's phone number?
- The practice phone number listed in the NPPES registry for Caroline Mass is (425) 609-5505.
- Is Caroline Mass's NPI active?
- Yes — Caroline Mass's NPI (1841643723) is active in the NPPES registry as of the last update on 2021-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.