Joseph Hahn
NPI 1104011303 · Addiction (Substance Use Disorder) Counselor · Grafton, WI
Joseph Hahn is a Addiction (Substance Use Disorder) Counselor provider in Grafton, WI (NPI 1104011303).
Provider details
- NPI number
- 1104011303
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 15377-131 (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
- 2007-09-11
- Last updated
- 2007-09-11
Frequently asked questions
- What is Joseph Hahn's NPI number?
- Joseph Hahn's National Provider Identifier (NPI) is 1104011303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Hahn's specialty?
- Joseph Hahn is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Joseph Hahn located?
- Joseph Hahn's practice location on file with NPPES is 1930 Wisconsin Ave, Grafton, WI 53024-2632.
- What is Joseph Hahn's phone number?
- The practice phone number listed in the NPPES registry for Joseph Hahn is (262) 377-3712.
- Is Joseph Hahn's NPI active?
- Yes — Joseph Hahn's NPI (1104011303) is active in the NPPES registry as of the last update on 2007-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.