IndividualActive
Cassandra Magnussen, LMSW
NPI 1790562684 · Social Worker · Massapequa, NY
Cassandra Magnussen, LMSW is a Social Worker provider in Massapequa, NY (NPI 1790562684).
Provider details
- NPI number
- 1790562684
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 127369 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
727 N Broadway Ste C1
Massapequa, NY 11758-2348
Phone: (516) 430-4226
Street-level locationGet directions
Mailing address
727 N Broadway Ste C1
Massapequa, NY 11758-2348
Registry dates
- Enumerated
- 2023-09-13
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is Cassandra Magnussen's NPI number?
- Cassandra Magnussen's National Provider Identifier (NPI) is 1790562684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Magnussen's specialty?
- Cassandra Magnussen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Cassandra Magnussen located?
- Cassandra Magnussen's practice location on file with NPPES is 727 N Broadway Ste C1, Massapequa, NY 11758-2348.
- What is Cassandra Magnussen's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Magnussen is (516) 430-4226.
- Is Cassandra Magnussen's NPI active?
- Yes — Cassandra Magnussen's NPI (1790562684) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.