Caitlin Giammusso, LMFT
NPI 1891591426 · Mental Health Counselor · Glen Ellyn, IL
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Giammusso, LMFT is a Mental Health Counselor provider in Glen Ellyn, IL (NPI 1891591426).
Provider details
- NPI number
- 1891591426
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 166.001945 (IL)
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
1 yr 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
- 2025-02-24
- Last updated
- 2025-10-08
- Certified
- 2025-10-08
Frequently asked questions
- What is Caitlin Giammusso's NPI number?
- Caitlin Giammusso's National Provider Identifier (NPI) is 1891591426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Giammusso's specialty?
- Caitlin Giammusso is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Caitlin Giammusso located?
- Caitlin Giammusso's practice location on file with NPPES is 460 N Main St, Glen Ellyn, IL 60137-5176.
- What is Caitlin Giammusso's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Giammusso is (708) 628-8000.
- Does Caitlin Giammusso accept Medicare?
- Caitlin Giammusso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Giammusso's NPI active?
- Yes — Caitlin Giammusso's NPI (1891591426) is active in the NPPES registry as of the last update on 2025-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.