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ISABELLA CHRISTINE KORSGARD
NPI 1649933623
Speech-Language Pathologist in Wilmette, IL

Active since October 18, 2021
1123 GREENLEAF AVE, WILMETTE, IL 60091(847) 707-6744 Get Directions Write a Review

NPPES record last updated: December 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 29, 2021, Oct 18, 2021 (2 updates tracked since 2021).

About Isabella Christine Korsgard NPPES

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

ISABELLA CHRISTINE KORSGARD (NPI 1649933623) is an individual speech-language pathologist provider in Wilmette, Illinois, licensed in Illinois (146.015932) and active in the NPI registry since October 2021. She maintains a secondary practice location in La Grange.

NPPES Registry Identity

NPI1649933623
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameISABELLA CHRISTINE KORSGARD
Location Address1123 GREENLEAF AVEWilmette, IL 60091-2708
Mailing AddressPo Box 416501Boston, MA 02241-7594 · (914) 924-4050
Phone(847) 707-6744
Sole ProprietorNo
Enumeration DateOctober 18, 2021
Last NPPES UpdateDecember 29, 20212 updates tracked since enumeration
NPPES CertifiedDecember 29, 2021
✔ NPI 1649933623 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 · 146.015932
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.
1123 GREENLEAF AVE, Wilmette, IL 60091
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Secondary Practice Location 1

Location 11301 W Cossitt AveLA Grange, IL 60525-2145 · Phone (708) 354-5730

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabella Christine Korsgard is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Ivyrehab Physical Therapy, Occupational Therapy & Speech Language Path
148 mi
Physical Therapist
204 E WASHINGTON ST
Clinton, IL 61727
  • Reassigned Medicare billing, Illinois enrollment
  • 134 clinicians in this Medicare group
NPI 1376917187 (217) 570-0225

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.

MISS CELESTE VAUGHN TWOMBLY
Occupational Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 610-9585
EMMA SHELLENBACK DPT
Physical Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
KRISTEN LEUNG
Occupational Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
KERRY SCAFIDI MS, OTR/L
Occupational Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
CHLOE KORST OTR/L
Occupational Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
ADRIANA PRZYBYLA PT
Physical Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
CHARLOTTE SPIRO
Speech-Language Pathologist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 707-6744
JULIA ANN RICHARDS MSOT
Occupational Therapist
1123 GREENLEAF AVE
WILMETTE, IL 60091
Cook County (847) 610-9585

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 Isabella Korsgard's NPI number?

The NPI number for Isabella Korsgard is 1649933623. It was assigned to this individual provider in the NPPES registry on October 18, 2021.

Where is Isabella Korsgard located?

Isabella Korsgard practices at 1123 Greenleaf Ave, Wilmette, IL 60091. The listed phone number is (847) 707-6744.

What is Isabella Korsgard's specialty?

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

Is Isabella Korsgard enrolled in Medicare?

Yes. Isabella Korsgard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabella Korsgard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabella Korsgard reassigns Medicare benefits to Ivyrehab Physical Therapy, Occupational Therapy & Speech Language Path (Clinton, 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 Isabella Korsgard'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 Isabella Korsgard was last updated on December 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.