Joanne Larson
NPI 1952668717 · Addiction (Substance Use Disorder) Counselor · Greenfield, MA
Joanne Larson is a Addiction (Substance Use Disorder) Counselor provider in Greenfield, MA (NPI 1952668717).
Provider details
- NPI number
- 1952668717
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral 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
14 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 15 E Cleveland StGreenfield, MA 01301-2013Phone: (603) 372-2007
Registry dates
- Enumerated
- 2012-04-18
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Joanne Larson's NPI number?
- Joanne Larson's National Provider Identifier (NPI) is 1952668717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Larson's specialty?
- Joanne Larson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Joanne Larson located?
- Joanne Larson's practice location on file with NPPES is 55 Federal St, Greenfield, MA 01301-2546.
- What is Joanne Larson's phone number?
- The practice phone number listed in the NPPES registry for Joanne Larson is (413) 584-6855.
- Is Joanne Larson's NPI active?
- Yes — Joanne Larson's NPI (1952668717) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.