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Dennis Mcallister, LCSW
NPI 1922393529 · Clinical Social Worker · Darien, CT
Dennis Mcallister, LCSW is a Clinical Social Worker provider in Darien, CT (NPI 1922393529).
Provider details
- NPI number
- 1922393529
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 007537 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
590 Post Rd
Darien, CT 06820-3608
Phone: (203) 629-2822
Street-level locationGet directions
Mailing address
20 Bridge St
Greenwich, CT 06830-5238
Registry dates
- Enumerated
- 2011-06-13
- Last updated
- 2011-06-13
Frequently asked questions
- What is Dennis Mcallister's NPI number?
- Dennis Mcallister's National Provider Identifier (NPI) is 1922393529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Mcallister's specialty?
- Dennis Mcallister is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dennis Mcallister located?
- Dennis Mcallister's practice location on file with NPPES is 590 Post Rd, Darien, CT 06820-3608.
- What is Dennis Mcallister's phone number?
- The practice phone number listed in the NPPES registry for Dennis Mcallister is (203) 629-2822.
- Is Dennis Mcallister's NPI active?
- Yes — Dennis Mcallister's NPI (1922393529) is active in the NPPES registry as of the last update on 2011-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.