Margaret Hallowell
NPI 1861189391 · Marriage & Family Therapist · Great Barrington, MA
Margaret Hallowell is a Marriage & Family Therapist provider in Great Barrington, MA (NPI 1861189391).
Provider details
- NPI number
- 1861189391
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2023-04-24
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Margaret Hallowell's NPI number?
- Margaret Hallowell's National Provider Identifier (NPI) is 1861189391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hallowell's specialty?
- Margaret Hallowell is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Margaret Hallowell located?
- Margaret Hallowell's practice location on file with NPPES is 38b Dresser Ave, Great Barrington, MA 01230-3101.
- What is Margaret Hallowell's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hallowell is (828) 229-0023.
- Is Margaret Hallowell's NPI active?
- Yes — Margaret Hallowell's NPI (1861189391) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.