Dana Callahan, LCSW
NPI 1639607641 · Social Worker · Waterbury, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dana Callahan, LCSW is a Social Worker provider in Waterbury, CT (NPI 1639607641).
Provider details
- NPI number
- 1639607641
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
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
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2017-06-02
- Last updated
- 2024-07-09
- Certified
- 2024-07-09
Frequently asked questions
- What is Dana Callahan's NPI number?
- Dana Callahan's National Provider Identifier (NPI) is 1639607641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dana Callahan's specialty?
- Dana Callahan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Dana Callahan located?
- Dana Callahan's practice location on file with NPPES is 855 Lakewood Rd, Waterbury, CT 06704-5408.
- What is Dana Callahan's phone number?
- The practice phone number listed in the NPPES registry for Dana Callahan is (888) 793-3500.
- Does Dana Callahan accept Medicare?
- Dana Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dana Callahan's NPI active?
- Yes — Dana Callahan's NPI (1639607641) is active in the NPPES registry as of the last update on 2024-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.