IndividualActive
Margaret Klein, LCSW
NPI 1639457518 · Clinical Social Worker · New York, NY
Margaret Klein, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1639457518).
Provider details
- NPI number
- 1639457518
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 077355 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
321 E 48th St
Suite 1e
New York, NY 10017-1749
Phone: (917) 558-6539
Street-level locationGet directions
Mailing address
321 E 48th St
New York, NY 10017-1749
Registry dates
- Enumerated
- 2011-07-26
- Last updated
- 2011-07-26
Frequently asked questions
- What is Margaret Klein's NPI number?
- Margaret Klein's National Provider Identifier (NPI) is 1639457518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Klein's specialty?
- Margaret Klein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Klein located?
- Margaret Klein's practice location on file with NPPES is 321 E 48th St, New York, NY 10017-1749.
- What is Margaret Klein's phone number?
- The practice phone number listed in the NPPES registry for Margaret Klein is (917) 558-6539.
- Is Margaret Klein's NPI active?
- Yes — Margaret Klein's NPI (1639457518) is active in the NPPES registry as of the last update on 2011-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.