IndividualActive
Marion Nelkens, LCSW
NPI 1508882887 · Clinical Social Worker · New York, NY
Marion Nelkens, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1508882887).
Provider details
- NPI number
- 1508882887
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- PR012910 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
347 5th Ave
Ste. 607
New York, NY 10016-5010
Phone: (212) 529-5384
Street-level locationGet directions
Mailing address
347 5th Ave
New York, NY 10016-5010
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2011-12-05
Frequently asked questions
- What is Marion Nelkens's NPI number?
- Marion Nelkens's National Provider Identifier (NPI) is 1508882887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Nelkens's specialty?
- Marion Nelkens is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marion Nelkens located?
- Marion Nelkens's practice location on file with NPPES is 347 5th Ave, New York, NY 10016-5010.
- What is Marion Nelkens's phone number?
- The practice phone number listed in the NPPES registry for Marion Nelkens is (212) 529-5384.
- Is Marion Nelkens's NPI active?
- Yes — Marion Nelkens's NPI (1508882887) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.