Mary C Olsen, Lcsw, Psychotherapist, PLLC
NPI 1679071468 · Clinical Social Worker · New York, NY
Mary C Olsen, Lcsw, Psychotherapist, PLLC is a Clinical Social Worker organization in New York, NY (NPI 1679071468).
Provider details
- NPI number
- 1679071468
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mary Olsen, Sole Proprietor/Psychotherapist(917) 750-9341
- License
- 085084 (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
8 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
- 2018-01-26
- Last updated
- 2018-01-26
Frequently asked questions
- What is Mary C Olsen, Lcsw, Psychotherapist, PLLC's NPI number?
- Mary C Olsen, Lcsw, Psychotherapist, PLLC's National Provider Identifier (NPI) is 1679071468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mary C Olsen, Lcsw, Psychotherapist, PLLC?
- Mary C Olsen, Lcsw, Psychotherapist, PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary C Olsen, Lcsw, Psychotherapist, PLLC located?
- Mary C Olsen, Lcsw, Psychotherapist, PLLC's practice location on file with NPPES is 151 West 86th Street, New York, NY 10024-3401.
- What is Mary C Olsen, Lcsw, Psychotherapist, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Mary C Olsen, Lcsw, Psychotherapist, PLLC is (917) 750-9341.
- Who is the authorized official for Mary C Olsen, Lcsw, Psychotherapist, PLLC?
- The authorized official listed on Mary C Olsen, Lcsw, Psychotherapist, PLLC's NPPES record is Mary Olsen, Sole Proprietor/Psychotherapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mary C Olsen, Lcsw, Psychotherapist, PLLC's NPI active?
- Yes — Mary C Olsen, Lcsw, Psychotherapist, PLLC's NPI (1679071468) is active in the NPPES registry as of the last update on 2018-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.