Greggory Scharf, SAC-IT
NPI 1598172918 · Addiction (Substance Use Disorder) Counselor · Onalaska, WI
Greggory Scharf, SAC-IT is a Addiction (Substance Use Disorder) Counselor provider in Onalaska, WI (NPI 1598172918).
Provider details
- NPI number
- 1598172918
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SAC-IT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 17055130 (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
11 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
- 2014-07-17
- Last updated
- 2014-07-17
Frequently asked questions
- What is Greggory Scharf's NPI number?
- Greggory Scharf's National Provider Identifier (NPI) is 1598172918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greggory Scharf's specialty?
- Greggory Scharf is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Greggory Scharf located?
- Greggory Scharf's practice location on file with NPPES is 9532 E 16 Frontage Rd, Onalaska, WI 54650-6739.
- What is Greggory Scharf's phone number?
- The practice phone number listed in the NPPES registry for Greggory Scharf is (608) 783-0506.
- Is Greggory Scharf's NPI active?
- Yes — Greggory Scharf's NPI (1598172918) is active in the NPPES registry as of the last update on 2014-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.