JILLIAN JANE GREENFIELD MS, CF-SLP
NPI 1881248425
Speech-Language Pathologist in Naperville, IL

Active since July 31, 2019
1936 BROOKDALE RD, NAPERVILLE, IL 60563(630) 881-2611 Get Directions Write a Review

NPPES record last updated: July 31, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jillian Jane Greenfield Ms, Cf-slp NPPES

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

JILLIAN JANE GREENFIELD MS, CF-SLP (NPI 1881248425) is an individual speech-language pathologist provider in Naperville, Illinois, licensed in Illinois (242005309) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1881248425
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameJILLIAN JANE GREENFIELDCredential: MS, CF-SLP
Location Address1936 BROOKDALE RDNaperville, IL 60563-2015
Mailing Address11301 S Talman AveChicago, IL 60655-1913 · (773) 315-4185
Sole ProprietorNo
Enumeration DateJuly 31, 2019
✔ NPI 1881248425 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 · 242005309
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.
1936 BROOKDALE RD, Naperville, IL 60563

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jillian Jane Greenfield Ms, Cf-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Physical Therapist
10133 SHERRILL BLVD, SUITE 200
Knoxville, TN 37932
  • Reassigned Medicare billing, Illinois enrollment
  • 42 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 9

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

Physical Therapist
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Physical Therapy Assistant
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Occupational Therapy Assistant
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Physical Therapy Assistant
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Occupational Therapist
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Occupational Therapist
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Physical Therapist
1936 BROOKDALE RD
NAPERVILLE, IL 60563
Speech-Language Pathologist
1936 BROOKDALE RD
NAPERVILLE, IL 60563

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 Jillian Greenfield's NPI number?

The NPI number for Jillian Greenfield is 1881248425. It was assigned to this individual provider in the NPPES registry on July 31, 2019.

Where is Jillian Greenfield located?

Jillian Greenfield practices at 1936 Brookdale Rd, Naperville, IL 60563. The listed phone number is (630) 881-2611.

What is Jillian Greenfield's specialty?

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

Is Jillian Greenfield enrolled in Medicare?

Yes. Jillian Greenfield is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jillian Greenfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Greenfield reassigns Medicare benefits to Functional Pathways Preferred Of Tennessee LLC (Knoxville, TN). 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 Jillian Greenfield'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 Jillian Greenfield was last updated on July 31, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.