John Donovan
NPI 1407583339 · Addiction (Substance Use Disorder) Counselor · South Boston, MA
John Donovan is a Addiction (Substance Use Disorder) Counselor provider in South Boston, MA (NPI 1407583339).
Provider details
- NPI number
- 1407583339
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- 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
- 2022-08-02
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is John Donovan's NPI number?
- John Donovan's National Provider Identifier (NPI) is 1407583339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Donovan's specialty?
- John Donovan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Donovan located?
- John Donovan's practice location on file with NPPES is 1226a Columbia Rd, South Boston, MA 02127-3920.
- What is John Donovan's phone number?
- The practice phone number listed in the NPPES registry for John Donovan is (617) 534-9500.
- Is John Donovan's NPI active?
- Yes — John Donovan's NPI (1407583339) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.