Gayle Callahan, PHD
NPI 1538262191 · School Psychologist · Peoria, IL
Gayle Callahan, PHD is a School Psychologist provider in Peoria, IL (NPI 1538262191).
Provider details
- NPI number
- 1538262191
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Psychologist103TC0700X
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-09-07
- Last updated
- 2025-09-11
Frequently asked questions
- What is Gayle Callahan's NPI number?
- Gayle Callahan's National Provider Identifier (NPI) is 1538262191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gayle Callahan's specialty?
- Gayle Callahan is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Gayle Callahan located?
- Gayle Callahan's practice location on file with NPPES is 6615 N Big Hollow Rd, Peoria, IL 61615-2451.
- What is Gayle Callahan's phone number?
- The practice phone number listed in the NPPES registry for Gayle Callahan is (309) 692-6622.
- Is Gayle Callahan's NPI active?
- Yes — Gayle Callahan's NPI (1538262191) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.