IndividualActive
Cassandra Mathelier, MSW
NPI 1932823796 · Social Worker · Brooklyn, NY
Cassandra Mathelier, MSW is a Social Worker provider in Brooklyn, NY (NPI 1932823796).
Provider details
- NPI number
- 1932823796
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
- License
- 117642 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
808 Union St Ste 2b
Brooklyn, NY 11215-1375
Phone: (929) 955-1260
Street-level locationGet directions
Mailing address
46 Gramatan Ave # 1077
Mount Vernon, NY 10550-1306
Additional practice locations (1)
- 46 Gramatan Ave # 1077Mount Vernon, NY 10550-1306Phone: (838) 356-4441
Registry dates
- Enumerated
- 2022-09-26
- Last updated
- 2024-02-20
- Certified
- 2024-02-20
Frequently asked questions
- What is Cassandra Mathelier's NPI number?
- Cassandra Mathelier's National Provider Identifier (NPI) is 1932823796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Mathelier's specialty?
- Cassandra Mathelier is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Cassandra Mathelier located?
- Cassandra Mathelier's practice location on file with NPPES is 808 Union St Ste 2b, Brooklyn, NY 11215-1375.
- What is Cassandra Mathelier's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Mathelier is (929) 955-1260.
- Is Cassandra Mathelier's NPI active?
- Yes — Cassandra Mathelier's NPI (1932823796) is active in the NPPES registry as of the last update on 2024-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.