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Arthur Byk, LCSW
NPI 1891204467 · Clinical Social Worker · New York, NY
Arthur Byk, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1891204467).
Provider details
- NPI number
- 1891204467
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- PR027710-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
80 Fifth Avenue
Suite 1606
New York, NY 10011
Phone: (212) 727-0432
Street-level locationGet directions
Mailing address
80 5th Ave Rm 1606
New York, NY 10011-8013
Registry dates
- Enumerated
- 2017-09-26
- Last updated
- 2022-07-21
Frequently asked questions
- What is Arthur Byk's NPI number?
- Arthur Byk's National Provider Identifier (NPI) is 1891204467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Byk's specialty?
- Arthur Byk is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Arthur Byk located?
- Arthur Byk's practice location on file with NPPES is 80 Fifth Avenue, New York, NY 10011.
- What is Arthur Byk's phone number?
- The practice phone number listed in the NPPES registry for Arthur Byk is (212) 727-0432.
- Is Arthur Byk's NPI active?
- Yes — Arthur Byk's NPI (1891204467) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.