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CAITLIN GIAMMUSSO LMFT
NPI 1891591426
Counselor - Mental Health in Glen Ellyn, IL

Active since February 24, 2025PECOS Enrolled
460 N MAIN ST, GLEN ELLYN, IL 60137(708) 628-8000 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 8, 2025, Feb 24, 2025 (2 updates tracked since 2025).

About Caitlin Giammusso Lmft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLIN GIAMMUSSO LMFT (NPI 1891591426) is an individual mental health provider in Glen Ellyn, Illinois, licensed in Illinois (166.001945) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1891591426
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameCAITLIN GIAMMUSSOCredential: LMFT
Location Address460 N MAIN STGlen Ellyn, IL 60137-5176
Mailing Address460 N Main StGlen Ellyn, IL 60137-5176 · (920) 573-5445
Phone(708) 628-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 24, 2025
Last NPPES UpdateOctober 8, 20252 updates tracked since enumeration
NPPES CertifiedOctober 8, 2025
✔ NPI 1891591426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 166.001945
460 N MAIN ST, Glen Ellyn, IL 60137
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caitlin Giammusso Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547759110
PECOS Enrollment IDI20251103001290
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. RYAN S LAUTERWASSER LCPC
Counselor (Professional)
460 N MAIN ST, SUITE 205
GLEN ELLYN, IL 60137
Dupage County (630) 723-4145
MR. SETH W. ALLISON LCPC
Counselor (Professional)
460 N MAIN ST, SUITE 205
GLEN ELLYN, IL 60137
Dupage County (630) 469-4699
LIFECARE COUNSELING, LTD
Counselor (Professional)
460 N MAIN ST, STE 202
GLEN ELLYN, IL 60137
Dupage County (630) 984-4896
GUARDIAN LIGHTHOUSE
Counselor (Mental Health)
460 N MAIN ST, SUITE 205
GLEN ELLYN, IL 60137
Dupage County (847) 613-4626
DR. JOANNA BROOKE WRIGHT PSY.D.
Marriage & Family Therapist
460 N MAIN ST, STE 205
GLEN ELLYN, IL 60137
Dupage County (630) 469-4699
MR. MATTHEW WILLIAM HYDER LCPC, CADC
Counselor (Professional)
460 N MAIN ST
GLEN ELLYN, IL 60137
Dupage County (630) 469-4699
MRS. LESLIE JEAN DUFF L.C.S.W
Social Worker (Clinical)
460 N MAIN ST, SUITE 205
GLEN ELLYN, IL 60137
Dupage County (847) 845-5698
KIMBERLY M ROTHWELL
Counselor (Professional)
460 N MAIN ST, SUITE 302
GLEN ELLYN, IL 60137
Dupage County (312) 968-3154

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caitlin Giammusso's NPI number?

The NPI number for Caitlin Giammusso is 1891591426. It was assigned to this individual provider in the NPPES registry on February 24, 2025.

Where is Caitlin Giammusso located?

Caitlin Giammusso practices at 460 N Main St, Glen Ellyn, IL 60137. The listed phone number is (708) 628-8000.

What is Caitlin Giammusso's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Caitlin Giammusso enrolled in Medicare?

Yes. Caitlin Giammusso is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caitlin Giammusso was last updated on October 8, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.