Gerald Mccallum, PH.D.
NPI 1700856614 · Clinical Psychologist · Naperville, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Mccallum, PH.D. is a Clinical Psychologist provider in Naperville, IL (NPI 1700856614).
Provider details
- NPI number
- 1700856614
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 071004781 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
Mailing address
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2018-12-17
Frequently asked questions
- What is Gerald Mccallum's NPI number?
- Gerald Mccallum's National Provider Identifier (NPI) is 1700856614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Mccallum's specialty?
- Gerald Mccallum is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerald Mccallum located?
- Gerald Mccallum's practice location on file with NPPES is 1555 N. Naperville Wheaton Rd., Naperville, IL 60563-1557.
- What is Gerald Mccallum's phone number?
- The practice phone number listed in the NPPES registry for Gerald Mccallum is (630) 983-8400.
- Does Gerald Mccallum accept Medicare?
- Gerald Mccallum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Mccallum's NPI active?
- Yes — Gerald Mccallum's NPI (1700856614) is active in the NPPES registry as of the last update on 2018-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.