Marylou Sosnowski, LCSW
NPI 1093909376 · Clinical Social Worker · Riverhead, NY
Marylou Sosnowski, LCSW is a Clinical Social Worker provider in Riverhead, NY (NPI 1093909376).
Provider details
- NPI number
- 1093909376
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 074054-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-08-30
- Last updated
- 2007-08-30
Frequently asked questions
- What is Marylou Sosnowski's NPI number?
- Marylou Sosnowski's National Provider Identifier (NPI) is 1093909376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marylou Sosnowski's specialty?
- Marylou Sosnowski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marylou Sosnowski located?
- Marylou Sosnowski's practice location on file with NPPES is 298 Middle Rd, Riverhead, NY 11901-2034.
- What is Marylou Sosnowski's phone number?
- The practice phone number listed in the NPPES registry for Marylou Sosnowski is (631) 369-1234.
- Is Marylou Sosnowski's NPI active?
- Yes — Marylou Sosnowski's NPI (1093909376) is active in the NPPES registry as of the last update on 2007-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.