Jeffrey Knudson
NPI 1881876043 · Addiction (Substance Use Disorder) Counselor · Appleton, WI
Jeffrey Knudson is a Addiction (Substance Use Disorder) Counselor provider in Appleton, WI (NPI 1881876043).
Provider details
- NPI number
- 1881876043
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 13825 130 (WI)
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
18 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
- 2007-11-29
- Last updated
- 2007-11-29
Frequently asked questions
- What is Jeffrey Knudson's NPI number?
- Jeffrey Knudson's National Provider Identifier (NPI) is 1881876043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Knudson's specialty?
- Jeffrey Knudson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jeffrey Knudson located?
- Jeffrey Knudson's practice location on file with NPPES is 4000 W. Spencer St., Appleton, WI 54914.
- What is Jeffrey Knudson's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Knudson is (920) 735-9010.
- Is Jeffrey Knudson's NPI active?
- Yes — Jeffrey Knudson's NPI (1881876043) is active in the NPPES registry as of the last update on 2007-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.