Gregory Leach, M.ED LADC I
NPI 1679450480 · Addiction (Substance Use Disorder) Counselor · Dover, NH
Gregory Leach, M.ED LADC I is a Addiction (Substance Use Disorder) Counselor provider in Dover, NH (NPI 1679450480).
Provider details
- NPI number
- 1679450480
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- M.ED LADC I
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18649 (MA)
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
Under 1 yr in registry
- Profile completeness38% of score
100% 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
- 2025-08-21
- Last updated
- 2025-08-21
- Certified
- 2025-08-21
Frequently asked questions
- What is Gregory Leach's NPI number?
- Gregory Leach's National Provider Identifier (NPI) is 1679450480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Leach's specialty?
- Gregory Leach is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Leach located?
- Gregory Leach's practice location on file with NPPES is 7 Evergreen Vly, Dover, NH 03820-2025.
- What is Gregory Leach's phone number?
- The practice phone number listed in the NPPES registry for Gregory Leach is (603) 988-5885.
- Is Gregory Leach's NPI active?
- Yes — Gregory Leach's NPI (1679450480) is active in the NPPES registry as of the last update on 2025-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.