Kenneth Callahan, LCSW-R
NPI 1578803391 · Clinical Social Worker · Brooklyn, NY
Kenneth Callahan, LCSW-R is a Clinical Social Worker provider in Brooklyn, NY (NPI 1578803391).
Provider details
- NPI number
- 1578803391
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-R
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036342 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2013-02-15
- Last updated
- 2013-02-15
Frequently asked questions
- What is Kenneth Callahan's NPI number?
- Kenneth Callahan's National Provider Identifier (NPI) is 1578803391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Callahan's specialty?
- Kenneth Callahan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Kenneth Callahan located?
- Kenneth Callahan's practice location on file with NPPES is 414a Grand Ave, Brooklyn, NY 11238-2421.
- What is Kenneth Callahan's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Callahan is (718) 399-0137.
- Is Kenneth Callahan's NPI active?
- Yes — Kenneth Callahan's NPI (1578803391) is active in the NPPES registry as of the last update on 2013-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.