Gillian Feaker
NPI 1770287047 · Clinical Psychologist · Appleton, WI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillian Feaker is a Clinical Psychologist provider in Appleton, WI (NPI 1770287047).
Provider details
- NPI number
- 1770287047
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5314 (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
3 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
- 2023-03-29
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Gillian Feaker's NPI number?
- Gillian Feaker's National Provider Identifier (NPI) is 1770287047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Feaker's specialty?
- Gillian Feaker is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gillian Feaker located?
- Gillian Feaker's practice location on file with NPPES is 2500 E Enterprise Ave Ste B, Appleton, WI 54913-8556.
- What is Gillian Feaker's phone number?
- The practice phone number listed in the NPPES registry for Gillian Feaker is (920) 717-4424.
- Does Gillian Feaker accept Medicare?
- Gillian Feaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillian Feaker's NPI active?
- Yes — Gillian Feaker's NPI (1770287047) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.