Alexander Marquis
NPI 1912415936 · Clinical Social Worker · East Hartford, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Marquis is a Clinical Social Worker provider in East Hartford, CT (NPI 1912415936).
Provider details
- NPI number
- 1912415936
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
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
83% of core fields populated
- Practice footprint23% of score
3 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
Mailing address
Additional practice locations (2)
- 444 Center StManchester, CT 06040-3926Phone: (860) 731-5522Fax: (890) 731-5536
- 391 Pomfret StPutnam, CT 06260-1852Phone: (860) 963-4971Fax: (860) 963-4979
Registry dates
- Enumerated
- 2018-01-11
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Alexander Marquis's NPI number?
- Alexander Marquis's National Provider Identifier (NPI) is 1912415936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Marquis's specialty?
- Alexander Marquis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexander Marquis located?
- Alexander Marquis's practice location on file with NPPES is 77 Hartland St, East Hartford, CT 06108-6201.
- What is Alexander Marquis's phone number?
- The practice phone number listed in the NPPES registry for Alexander Marquis is (860) 731-5522.
- Does Alexander Marquis accept Medicare?
- Alexander Marquis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Marquis's NPI active?
- Yes — Alexander Marquis's NPI (1912415936) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.