IndividualActive
Cassandra Olsen
NPI 1225425788 · Social Worker · Mount Vernon, WA
Cassandra Olsen is a Social Worker provider in Mount Vernon, WA (NPI 1225425788).
Provider details
- NPI number
- 1225425788
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
209 Milwaukee St
Mount Vernon, WA 98273-4200
Phone: (360) 419-7500
Street-level locationGet directions
Mailing address
Po Box 3810
Everett, WA 98213-8810
Registry dates
- Enumerated
- 2015-04-22
- Last updated
- 2015-04-22
Frequently asked questions
- What is Cassandra Olsen's NPI number?
- Cassandra Olsen's National Provider Identifier (NPI) is 1225425788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Olsen's specialty?
- Cassandra Olsen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Cassandra Olsen located?
- Cassandra Olsen's practice location on file with NPPES is 209 Milwaukee St, Mount Vernon, WA 98273-4200.
- What is Cassandra Olsen's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Olsen is (360) 419-7500.
- Is Cassandra Olsen's NPI active?
- Yes — Cassandra Olsen's NPI (1225425788) is active in the NPPES registry as of the last update on 2015-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.