IndividualActive
Katherine O'Brien
NPI 1023590387 · Mental Health Counselor · Greenfield, MA
Katherine O'Brien is a Mental Health Counselor provider in Greenfield, MA (NPI 1023590387).
Provider details
- NPI number
- 1023590387
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
1 Arch Pl
Greenfield, MA 01301-2457
Phone: (413) 774-1000
Fax: (413) 774-1776
Approximate (ZIP-level) locationGet directions
Mailing address
1 Arch Pl
Greenfield, MA 01301-2457
Registry dates
- Enumerated
- 2018-09-04
- Last updated
- 2018-09-04
Frequently asked questions
- What is Katherine O'Brien's NPI number?
- Katherine O'Brien's National Provider Identifier (NPI) is 1023590387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine O'Brien's specialty?
- Katherine O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Katherine O'Brien located?
- Katherine O'Brien's practice location on file with NPPES is 1 Arch Pl, Greenfield, MA 01301-2457.
- What is Katherine O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Katherine O'Brien is (413) 774-1000.
- Is Katherine O'Brien's NPI active?
- Yes — Katherine O'Brien's NPI (1023590387) is active in the NPPES registry as of the last update on 2018-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.