IndividualActive
Gregory Aleff, LCSW
NPI 1942245592 · Clinical Social Worker · Appleton, WI
Gregory Aleff, LCSW is a Clinical Social Worker provider in Appleton, WI (NPI 1942245592).
Provider details
- NPI number
- 1942245592
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- License
- 962-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
10 Tri Park Way
Appleton, WI 54914-1658
Phone: (920) 831-7909
Street-level locationGet directions
Mailing address
W6031 Blazing Star Dr
Appleton, WI 54915-7422
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Aleff's NPI number?
- Gregory Aleff's National Provider Identifier (NPI) is 1942245592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Aleff's specialty?
- Gregory Aleff is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Aleff located?
- Gregory Aleff's practice location on file with NPPES is 10 Tri Park Way, Appleton, WI 54914-1658.
- What is Gregory Aleff's phone number?
- The practice phone number listed in the NPPES registry for Gregory Aleff is (920) 831-7909.
- Is Gregory Aleff's NPI active?
- Yes — Gregory Aleff's NPI (1942245592) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.