IndividualActive
Marie Flanagan, LCSW
NPI 1821552787 · Clinical Social Worker · Melville, NY
Marie Flanagan, LCSW is a Clinical Social Worker provider in Melville, NY (NPI 1821552787).
Provider details
- NPI number
- 1821552787
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 087622 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
900 Walt Whitman Rd Ste Ll1
Melville, NY 11747-2215
Phone: (516) 698-5511
Fax: (516) 418-5377
Street-level locationGet directions
Mailing address
900 Walt Whitman Rd Ste Ll1
Melville, NY 11747-2215
Registry dates
- Enumerated
- 2019-01-24
- Last updated
- 2019-02-07
Frequently asked questions
- What is Marie Flanagan's NPI number?
- Marie Flanagan's National Provider Identifier (NPI) is 1821552787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marie Flanagan's specialty?
- Marie Flanagan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marie Flanagan located?
- Marie Flanagan's practice location on file with NPPES is 900 Walt Whitman Rd Ste Ll1, Melville, NY 11747-2215.
- What is Marie Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Marie Flanagan is (516) 698-5511.
- Is Marie Flanagan's NPI active?
- Yes — Marie Flanagan's NPI (1821552787) is active in the NPPES registry as of the last update on 2019-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.