Sumner Harrington
NPI 1164094421 · Addiction (Substance Use Disorder) Counselor · Chelsea, MA
Sumner Harrington is a Addiction (Substance Use Disorder) Counselor provider in Chelsea, MA (NPI 1164094421).
Provider details
- NPI number
- 1164094421
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
4 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
- 2021-07-15
- Last updated
- 2021-07-15
- Certified
- 2021-07-15
Frequently asked questions
- What is Sumner Harrington's NPI number?
- Sumner Harrington's National Provider Identifier (NPI) is 1164094421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sumner Harrington's specialty?
- Sumner Harrington is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Sumner Harrington located?
- Sumner Harrington's practice location on file with NPPES is 175 Crescent Ave, Chelsea, MA 02150-3009.
- What is Sumner Harrington's phone number?
- The practice phone number listed in the NPPES registry for Sumner Harrington is (617) 889-8779.
- Is Sumner Harrington's NPI active?
- Yes — Sumner Harrington's NPI (1164094421) is active in the NPPES registry as of the last update on 2021-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.