What is Emer Duffy's NPI number?

Emer Duffy's National Provider Identifier (NPI) is 1255277349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Emer Duffy's specialty?

Emer Duffy is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Emer Duffy located?

Emer Duffy's practice location on file with NPPES is 591 Centre St, Brockton, MA 02302-3326.

What is Emer Duffy's phone number?

The practice phone number listed in the NPPES registry for Emer Duffy is (774) 315-4929.

Is Emer Duffy's NPI active?

Yes — Emer Duffy's NPI (1255277349) is active in the NPPES registry as of the last update on 2026-04-28.

IndividualActive

Emer Duffy

NPI 1255277349 · Behavior Technician · Brockton, MA

Emer Duffy is a Behavior Technician provider in Brockton, MA (NPI 1255277349).

Provider details

NPI number: 1255277349
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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

591 Centre St

Brockton, MA 02302-3326

Phone: (774) 315-4929

Street-level locationGet directions

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Mailing address