IndividualActive
Sarah Callahan, LMSW
NPI 1144890393 · Social Worker · Brooklyn, NY
Sarah Callahan, LMSW is a Social Worker provider in Brooklyn, NY (NPI 1144890393).
Provider details
- NPI number
- 1144890393
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
255 15th St
Brooklyn, NY 11215-4988
Phone: (309) 428-3722
Street-level locationGet directions
Mailing address
270 Fort Washington Ave Apt 41
New York, NY 10032-1310
Additional practice locations (1)
- 5417 18th AveBrooklyn, NY 11204-1928Phone: (929) 480-0313
Registry dates
- Enumerated
- 2021-06-30
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Sarah Callahan's NPI number?
- Sarah Callahan's National Provider Identifier (NPI) is 1144890393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Callahan's specialty?
- Sarah Callahan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah Callahan located?
- Sarah Callahan's practice location on file with NPPES is 255 15th St, Brooklyn, NY 11215-4988.
- What is Sarah Callahan's phone number?
- The practice phone number listed in the NPPES registry for Sarah Callahan is (309) 428-3722.
- Is Sarah Callahan's NPI active?
- Yes — Sarah Callahan's NPI (1144890393) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.