Mark Shearing, LADC
NPI 1235400565 · Addiction (Substance Use Disorder) Counselor · Derry, NH
Mark Shearing, LADC is a Addiction (Substance Use Disorder) Counselor provider in Derry, NH (NPI 1235400565).
Provider details
- NPI number
- 1235400565
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC
- Sex
- Male
- 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
14 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
- 2012-01-18
- Last updated
- 2012-01-18
Frequently asked questions
- What is Mark Shearing's NPI number?
- Mark Shearing's National Provider Identifier (NPI) is 1235400565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Shearing's specialty?
- Mark Shearing is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Shearing located?
- Mark Shearing's practice location on file with NPPES is 16 Manning St, Derry, NH 03038-2388.
- What is Mark Shearing's phone number?
- The practice phone number listed in the NPPES registry for Mark Shearing is (603) 231-0214.
- Is Mark Shearing's NPI active?
- Yes — Mark Shearing's NPI (1235400565) is active in the NPPES registry as of the last update on 2012-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.