Stephen Gannon, LADC1
NPI 1538462312 · Addiction (Substance Use Disorder) Counselor · Concord, NH
Stephen Gannon, LADC1 is a Addiction (Substance Use Disorder) Counselor provider in Concord, NH (NPI 1538462312).
Provider details
- NPI number
- 1538462312
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC1
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1561 (NH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Case Management Agency251B00000X
Agencies
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES 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
- 2010-12-16
- Last updated
- 2026-06-03
- Certified
- 2026-06-03
Frequently asked questions
- What is Stephen Gannon's NPI number?
- Stephen Gannon's National Provider Identifier (NPI) is 1538462312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Gannon's specialty?
- Stephen Gannon is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Stephen Gannon located?
- Stephen Gannon's practice location on file with NPPES is 117 Manchester St Ste 5a, Concord, NH 03301-5101.
- What is Stephen Gannon's phone number?
- The practice phone number listed in the NPPES registry for Stephen Gannon is (603) 606-9357.
- Is Stephen Gannon's NPI active?
- Yes — Stephen Gannon's NPI (1538462312) is active in the NPPES registry as of the last update on 2026-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.