Jeffrey Duncan
NPI 1558191445 · Addiction (Substance Use Disorder) Counselor · Tacoma, WA
Jeffrey Duncan is a Addiction (Substance Use Disorder) Counselor provider in Tacoma, WA (NPI 1558191445).
Provider details
- NPI number
- 1558191445
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- CO61459260 (WA)
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
- 2024-08-05
- Last updated
- 2024-08-05
- Certified
- 2024-08-05
Frequently asked questions
- What is Jeffrey Duncan's NPI number?
- Jeffrey Duncan's National Provider Identifier (NPI) is 1558191445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Duncan's specialty?
- Jeffrey Duncan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jeffrey Duncan located?
- Jeffrey Duncan's practice location on file with NPPES is 510 Tacoma Ave S, Tacoma, WA 98402-5416.
- What is Jeffrey Duncan's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Duncan is (253) 572-4750.
- Is Jeffrey Duncan's NPI active?
- Yes — Jeffrey Duncan's NPI (1558191445) is active in the NPPES registry as of the last update on 2024-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.