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Steven Bailyn, LCSW
NPI 1659321479 · Clinical Social Worker · New York, NY
Steven Bailyn, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1659321479).
Provider details
- NPI number
- 1659321479
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- License
- R014951-1 (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
20 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
423 E 23rd St
New York, NY 10010-5011
Phone: (212) 951-3295
Street-level locationGet directions
Mailing address
18 Stuyvesant Oval
New York, NY 10009-2242
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Bailyn's NPI number?
- Steven Bailyn's National Provider Identifier (NPI) is 1659321479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Bailyn's specialty?
- Steven Bailyn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Steven Bailyn located?
- Steven Bailyn's practice location on file with NPPES is 423 E 23rd St, New York, NY 10010-5011.
- What is Steven Bailyn's phone number?
- The practice phone number listed in the NPPES registry for Steven Bailyn is (212) 951-3295.
- Is Steven Bailyn's NPI active?
- Yes — Steven Bailyn's NPI (1659321479) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.