Mark Allen, LSW, LADC, CCS
NPI 1790671550 · Addiction (Substance Use Disorder) Counselor · Lewiston, ME
Mark Allen, LSW, LADC, CCS is a Addiction (Substance Use Disorder) Counselor provider in Lewiston, ME (NPI 1790671550).
Provider details
- NPI number
- 1790671550
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LSW, LADC, CCS
- Sex
- Male
- Sole proprietor
- Yes
- License
- LC5002 (ME)
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
1 yr 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
- 2025-06-17
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Mark Allen's NPI number?
- Mark Allen's National Provider Identifier (NPI) is 1790671550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Allen's specialty?
- Mark Allen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Allen located?
- Mark Allen's practice location on file with NPPES is 18 Mollison Way, Lewiston, ME 04240-5811.
- What is Mark Allen's phone number?
- The practice phone number listed in the NPPES registry for Mark Allen is (207) 312-6860.
- Is Mark Allen's NPI active?
- Yes — Mark Allen's NPI (1790671550) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.