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GABRIELLA GUILLEN
NPI 1467285437
Speech-Language Pathologist in Carol Stream, IL

Active since August 23, 2024Accepts Medicare Assignment
545 BELMONT LN, CAROL STREAM, IL 60188(630) 526-6835 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 24, 2025, Aug 23, 2024 (2 updates tracked since 2024).

About Gabriella Guillen NPPES

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

GABRIELLA GUILLEN (NPI 1467285437) is an individual speech-language pathologist provider in Carol Stream, Illinois, licensed in Illinois (242008007) and active in the NPI registry since August 2024. She maintains a secondary practice location in Sugar Grove and is a graduate of Other (2024).

NPPES Registry Identity

NPI1467285437
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameGABRIELLA GUILLEN
Location Address545 BELMONT LNCarol Stream, IL 60188-2467
Mailing Address793 Oxbow Ave Unit 207Oswego, IL 60543-8691 · (630) 881-9665
Phone(630) 526-6835
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 23, 2024
Last NPPES UpdateJune 24, 20252 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1467285437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in IL · 242008007
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
545 BELMONT LN, Carol Stream, IL 60188
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Secondary Practice Location 1

Location 158 W Park AveSugar Grove, IL 60554-2208 · Phone (331) 227-4500

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gabriella Guillen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476094418
PECOS Enrollment IDI20240918001945

Medicare Billing Reassignment

Medicare enrollment records show Gabriella Guillen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Paxxon Healthcare Services LLC
16 mi
Physical Therapist
1035 MADISON ST
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
  • 99 clinicians in this Medicare group
NPI 1063784148 (708) 848-7200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Treatment of speech, language, voice, communication, and/or hearing processing disorder 92507
This treatment involves working with a specialist to improve communication skills. It could involve exercises to enhance speech clarity, language understanding, voice volume, or hearing comprehension. The goal is to enhance your ability to express and understand others effectively.
353 services24 patients

Other Providers at the Same Location NPPES 13

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

SARAH A THOMAS
Speech-Language Pathologist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
NICOLE M BARAK PTA
Physical Therapy Assistant
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
FRANCESCA ANICETO
Speech-Language Pathologist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
EMILY DYSON
Physical Therapist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
LOREN WEESE APRN
Nurse Practitioner (Psychiatric/Mental Health)
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
NICOLE VALLE
Occupational Therapist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (708) 439-3619
SHWETA PATEL
Physical Therapist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (630) 523-8972
DONALD ALGOZINE OTR/L
Occupational Therapist
545 BELMONT LN
CAROL STREAM, IL 60188
Dupage County (708) 546-8326

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 Gabriella Guillen's NPI number?

The NPI number for Gabriella Guillen is 1467285437. It was assigned to this individual provider in the NPPES registry on August 23, 2024.

Where is Gabriella Guillen located?

Gabriella Guillen practices at 545 Belmont Ln, Carol Stream, IL 60188. The listed phone number is (630) 526-6835.

What is Gabriella Guillen's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Gabriella Guillen enrolled in Medicare?

Yes. Gabriella Guillen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gabriella Guillen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriella Guillen reassigns Medicare benefits to Paxxon Healthcare Services LLC (Oak Park, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gabriella Guillen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gabriella Guillen was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.