Mariana Guercio, LCSW
NPI 1841939493 · Clinical Social Worker · Hicksville, NY
Mariana Guercio, LCSW is a Clinical Social Worker provider in Hicksville, NY (NPI 1841939493).
Provider details
- NPI number
- 1841939493
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 102482 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
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
4 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
Mailing address
Additional practice locations (1)
- 80 Maple Ave Ste 201Smithtown, NY 11787-3520Phone: (631) 306-4284
Registry dates
- Enumerated
- 2022-06-01
- Last updated
- 2026-03-15
- Certified
- 2026-03-15
Frequently asked questions
- What is Mariana Guercio's NPI number?
- Mariana Guercio's National Provider Identifier (NPI) is 1841939493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Guercio's specialty?
- Mariana Guercio is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mariana Guercio located?
- Mariana Guercio's practice location on file with NPPES is 180 Broadway Fl 2, Hicksville, NY 11801-4230.
- What is Mariana Guercio's phone number?
- The practice phone number listed in the NPPES registry for Mariana Guercio is (516) 935-6858.
- Is Mariana Guercio's NPI active?
- Yes — Mariana Guercio's NPI (1841939493) is active in the NPPES registry as of the last update on 2026-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.