IndividualActive
Abigail Flagg
NPI 1164373445 · Clinical Social Worker · Holyoke, MA
Abigail Flagg is a Clinical Social Worker provider in Holyoke, MA (NPI 1164373445).
Provider details
- NPI number
- 1164373445
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW2120225 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 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
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
130 Pine St
Holyoke, MA 01040-4150
Phone: (413) 571-5761
Street-level locationGet directions
Mailing address
12 Norman St
Palmer, MA 01069-1017
Registry dates
- Enumerated
- 2026-02-04
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Abigail Flagg's NPI number?
- Abigail Flagg's National Provider Identifier (NPI) is 1164373445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Flagg's specialty?
- Abigail Flagg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Abigail Flagg located?
- Abigail Flagg's practice location on file with NPPES is 130 Pine St, Holyoke, MA 01040-4150.
- What is Abigail Flagg's phone number?
- The practice phone number listed in the NPPES registry for Abigail Flagg is (413) 571-5761.
- Is Abigail Flagg's NPI active?
- Yes — Abigail Flagg's NPI (1164373445) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.