IndividualActive
Kathryn Marrone, LCSW
NPI 1346424116 · Clinical Social Worker · New York, NY
Kathryn Marrone, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1346424116).
Provider details
- NPI number
- 1346424116
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 072842-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
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
19 West 34th Street
Penthouse
New York, NY 10001
Phone: (917) 273-2438
Street-level locationGet directions
Mailing address
19 West 34th Street
New York, NY 10001
Registry dates
- Enumerated
- 2007-12-28
- Last updated
- 2007-12-28
Frequently asked questions
- What is Kathryn Marrone's NPI number?
- Kathryn Marrone's National Provider Identifier (NPI) is 1346424116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Marrone's specialty?
- Kathryn Marrone is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Kathryn Marrone located?
- Kathryn Marrone's practice location on file with NPPES is 19 West 34th Street, New York, NY 10001.
- What is Kathryn Marrone's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Marrone is (917) 273-2438.
- Is Kathryn Marrone's NPI active?
- Yes — Kathryn Marrone's NPI (1346424116) is active in the NPPES registry as of the last update on 2007-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.