Thomas Cahill, PH.D
NPI 1629123849 · Clinical Psychologist · La Grange, IL
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Cahill, PH.D is a Clinical Psychologist provider in La Grange, IL (NPI 1629123849).
Provider details
- NPI number
- 1629123849
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0712048 (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
19 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
- 2007-01-25
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Thomas Cahill's NPI number?
- Thomas Cahill's National Provider Identifier (NPI) is 1629123849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Cahill's specialty?
- Thomas Cahill is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Cahill located?
- Thomas Cahill's practice location on file with NPPES is 1325 Community Memorial Dr, La Grange, IL 60525-2659.
- What is Thomas Cahill's phone number?
- The practice phone number listed in the NPPES registry for Thomas Cahill is (708) 245-8940.
- Does Thomas Cahill accept Medicare?
- Thomas Cahill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Cahill's NPI active?
- Yes — Thomas Cahill's NPI (1629123849) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.