IndividualActive
Maria Olsen
NPI 1336771641 · Social Worker · Islip, NY
Maria Olsen is a Social Worker provider in Islip, NY (NPI 1336771641).
Provider details
- NPI number
- 1336771641
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 112015-01 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
401 Main St
Islip, NY 11751-3560
Phone: (631) 446-1950
Approximate (ZIP-level) locationGet directions
Mailing address
54 Magnolia St
Central Islip, NY 11722-4727
Registry dates
- Enumerated
- 2020-02-05
- Last updated
- 2021-03-29
- Certified
- 2021-03-29
Frequently asked questions
- What is Maria Olsen's NPI number?
- Maria Olsen's National Provider Identifier (NPI) is 1336771641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Olsen's specialty?
- Maria Olsen is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Olsen located?
- Maria Olsen's practice location on file with NPPES is 401 Main St, Islip, NY 11751-3560.
- What is Maria Olsen's phone number?
- The practice phone number listed in the NPPES registry for Maria Olsen is (631) 446-1950.
- Is Maria Olsen's NPI active?
- Yes — Maria Olsen's NPI (1336771641) is active in the NPPES registry as of the last update on 2021-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.