Duncan Harter, CADC-CAS
NPI 1508434390 · Addiction (Substance Use Disorder) Counselor · Orange, CA
Duncan Harter, CADC-CAS is a Addiction (Substance Use Disorder) Counselor provider in Orange, CA (NPI 1508434390).
Provider details
- NPI number
- 1508434390
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC-CAS
- Sex
- Male
- Sole proprietor
- Yes
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
5 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
- 2021-06-16
- Last updated
- 2021-06-16
- Certified
- 2021-05-20
Frequently asked questions
- What is Duncan Harter's NPI number?
- Duncan Harter's National Provider Identifier (NPI) is 1508434390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duncan Harter's specialty?
- Duncan Harter is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Duncan Harter located?
- Duncan Harter's practice location on file with NPPES is 265 S Anita Dr Ste 302, Orange, CA 92868-3346.
- What is Duncan Harter's phone number?
- The practice phone number listed in the NPPES registry for Duncan Harter is (657) 933-4101.
- Is Duncan Harter's NPI active?
- Yes — Duncan Harter's NPI (1508434390) is active in the NPPES registry as of the last update on 2021-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.