James Duffey, CADC
NPI 1164273678 · Addiction (Substance Use Disorder) Counselor · Portland, ME
James Duffey, CADC is a Addiction (Substance Use Disorder) Counselor provider in Portland, ME (NPI 1164273678).
Provider details
- NPI number
- 1164273678
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC
- Sex
- Male
- Sole proprietor
- No
- License
- CAC8145 (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
2 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
- 2024-04-01
- Last updated
- 2024-04-01
- Certified
- 2024-04-01
Frequently asked questions
- What is James Duffey's NPI number?
- James Duffey's National Provider Identifier (NPI) is 1164273678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Duffey's specialty?
- James Duffey is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is James Duffey located?
- James Duffey's practice location on file with NPPES is 2300 Congress St, Portland, ME 04102-1908.
- What is James Duffey's phone number?
- The practice phone number listed in the NPPES registry for James Duffey is (207) 408-4100.
- Is James Duffey's NPI active?
- Yes — James Duffey's NPI (1164273678) is active in the NPPES registry as of the last update on 2024-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.