IndividualActive
Brendon Sullivan
NPI 1811855372 · Clinical Social Worker · Malden, MA
Brendon Sullivan is a Clinical Social Worker provider in Malden, MA (NPI 1811855372).
Provider details
- NPI number
- 1811855372
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
389 Main St
Malden, MA 02148-5054
Phone: (617) 804-2773
Street-level locationGet directions
Mailing address
5 Bruce St
Hudson, NH 03051-5203
Registry dates
- Enumerated
- 2026-01-13
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Brendon Sullivan's NPI number?
- Brendon Sullivan's National Provider Identifier (NPI) is 1811855372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendon Sullivan's specialty?
- Brendon Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Brendon Sullivan located?
- Brendon Sullivan's practice location on file with NPPES is 389 Main St, Malden, MA 02148-5054.
- What is Brendon Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Brendon Sullivan is (617) 804-2773.
- Is Brendon Sullivan's NPI active?
- Yes — Brendon Sullivan's NPI (1811855372) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.