Marc Mahoney, LADC-II
NPI 1093655003 · Addiction (Substance Use Disorder) Counselor · Marblehead, MA
Marc Mahoney, LADC-II is a Addiction (Substance Use Disorder) Counselor provider in Marblehead, MA (NPI 1093655003).
Provider details
- NPI number
- 1093655003
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LADC-II
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25228 (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
- 2026-03-30
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Marc Mahoney's NPI number?
- Marc Mahoney's National Provider Identifier (NPI) is 1093655003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Mahoney's specialty?
- Marc Mahoney is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marc Mahoney located?
- Marc Mahoney's practice location on file with NPPES is 1 Mariners Ln, Marblehead, MA 01945-3217.
- What is Marc Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Marc Mahoney is (310) 254-7423.
- Is Marc Mahoney's NPI active?
- Yes — Marc Mahoney's NPI (1093655003) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.