IndividualActive
Matthew Rosenberg
NPI 1326911645 · Social Worker · Chelsea, MA
Matthew Rosenberg is a Social Worker provider in Chelsea, MA (NPI 1326911645).
Provider details
- NPI number
- 1326911645
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sole proprietor
- No
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
301 Broadway
Chelsea, MA 02150-2807
Phone: (617) 889-4860
Fax: (617) 889-4635
Street-level locationGet directions
Mailing address
301 Broadway
Chelsea, MA 02150-2807
Registry dates
- Enumerated
- 2025-09-24
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Matthew Rosenberg's NPI number?
- Matthew Rosenberg's National Provider Identifier (NPI) is 1326911645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Rosenberg's specialty?
- Matthew Rosenberg is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Rosenberg located?
- Matthew Rosenberg's practice location on file with NPPES is 301 Broadway, Chelsea, MA 02150-2807.
- What is Matthew Rosenberg's phone number?
- The practice phone number listed in the NPPES registry for Matthew Rosenberg is (617) 889-4860.
- Is Matthew Rosenberg's NPI active?
- Yes — Matthew Rosenberg's NPI (1326911645) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.