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GI PARTNERS OF ILLINOIS, PLLC
NPI 1548613995
Internal Medicine - Gastroenterology in Libertyville, IL

Active since July 21, 2016
1880 W WINCHESTER RD, #201, LIBERTYVILLE, IL 60048(847) 247-0187(847) 247-0487 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 2, 2026, Dec 9, 2019 (2 updates tracked since 2019).

About Gi Partners Of Illinois, Pllc NPPES

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

GI PARTNERS OF ILLINOIS, PLLC (NPI 1548613995) is a healthcare organization registered as a gastroenterology in Libertyville, Illinois and active in the NPI registry since July 2016. The organization lists Evelina Wisniewski, Credentialing Coordinator, as its authorized official.

NPPES Registry Identity

NPI1548613995
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGI PARTNERS OF ILLINOIS, PLLC
Location Address1880 W WINCHESTER RD, #201Libertyville, IL 60048-5341
Mailing Address1880 W Winchester Rd Ste 201Libertyville, IL 60048-5336 · (847) 247-0187 · Fax (847) 247-0487
Phone(847) 247-0187
Fax(847) 247-0487
Organization SubpartNo
Authorized OfficialEvelina WisniewskiCredentialing Coordinator · (773) 407-4443
Enumeration DateJuly 21, 2016
Last NPPES UpdateJune 2, 20262 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1548613995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1880 W WINCHESTER RD, Libertyville, IL 60048
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gi Partners Of Illinois, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

73

Medicare enrollment records show 73 clinicians reassign Medicare billing to Gi Partners Of Illinois, PLLC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Gastroenterology43
Nurse Practitioner18
Pathology7
Internal Medicine5

Nearest to this location (20)

See all 73
Philip Adjei, M.D.
Gastroenterology
NPI 1720080054
1880 W WINCHESTER RD STE 201
Libertyville, IL 60048
(847) 247-0187
✔ PECOS✔ Accepts Medicare0.3 mi
Sean Lee, M.D.
Gastroenterology
NPI 1194765248
1880 W WINCHESTER RD #201
Libertyville, IL 60048
(847) 247-0187
✔ PECOS✔ Accepts Medicare0.3 mi
John Tasiopoulos, D.O.
Gastroenterology
NPI 1346384492
1880 W WINCHESTER RD SUITE 201
Libertyville, IL 60048
(847) 247-0187
✔ PECOS✔ Accepts Medicare0.3 mi
Dale Coy, M.D.
Gastroenterology
NPI 1770578858
22285 PEPPER RD. #311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Dafna Gordon, M.D.
Gastroenterology
NPI 1679569388
22285 PEPPER RD. #311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Erin Micklinghoff, CNP
Nurse Practitioner
NPI 1356694335
22285 N PEPPER RD STE 311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Amit Shah, M.D.
Gastroenterology
NPI 1992792394
22285 PEPPER RD. #311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Nistha Rawal, DO
Gastroenterology
NPI 1801323159
22285 N PEPPER RD STE 311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Chad Spangler, M.D.
Gastroenterology
NPI 1073625562
22285 N PEPPER RD SUITE #311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Manish Bhuva, M.D.
Gastroenterology
NPI 1518953330
22285 PEPPER RD. #311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Nicole Gentile, MD
Gastroenterology
NPI 1417241944
22285 N PEPPER RD STE 311
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Shahid Ilahi, M.D.
Gastroenterology
NPI 1508867078
22N285 PEPPER RD SUITE 303
Lake Barrington, IL 60010
(630) 952-1412
✔ PECOS✔ Accepts Medicare12 mi
Kassandra Shannon
Nurse Practitioner
NPI 1699633255
22285 N PEPPER RD STE 310
Lake Barrington, IL 60010
(847) 382-4410
✔ PECOS✔ Accepts Medicare12 mi
Mary Joyce Ventocilla, MSN, FNP-BC
Nurse Practitioner
NPI 1649783143
4309 W MEDICAL CENTER DR SUITE B202
Mchenry, IL 60050
(847) 535-6083
✔ PECOS✔ Accepts Medicare15 mi
James Ferguson, CNP
Nurse Practitioner
NPI 1841602794
4309 W MEDICAL CENTER DR STE B100
Mchenry, IL 60050
(815) 344-8585
✔ PECOS✔ Accepts Medicare15 mi
Katie Akers, APN
Nurse Practitioner
NPI 1467920009
2359 HASSELL RD
Hoffman Estates, IL 60169
(630) 717-2600
✔ PECOS✔ Accepts Medicare18 mi
Maria Mcintire, M.D.
Pathology
NPI 1356531107
800 BIESTERFIELD RD
Elk Grove Village, IL 60007
(847) 437-5500
✔ PECOS✔ Accepts Medicare20 mi
Jonathan Erlich, M.D.
Internal Medicine
NPI 1265796429
7447 W TALCOTT AVE STE 209
Chicago, IL 60631
(773) 631-2728
✔ PECOS✔ Accepts Medicare23 mi
Paul Fahrenbach, MD
Internal Medicine
NPI 1699768416
7447 W TALCOTT AVE SUITE 209
Chicago, IL 60631
(773) 631-2728
✔ PECOS✔ Accepts Medicare23 mi
Sarah Massey, NP
Nurse Practitioner
NPI 1881338895
7447 W TALCOTT AVE STE 209
Chicago, IL 60631
(773) 631-2728
✔ PECOS✔ Accepts Medicare23 mi
See all 73 clinicians

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

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 Gi Partners Of Illinois, PLLC's NPI number?

The NPI number for Gi Partners Of Illinois, PLLC is 1548613995. It was assigned to this organization in the NPPES registry on July 21, 2016.

Where is Gi Partners Of Illinois, PLLC located?

Gi Partners Of Illinois, PLLC is located at 1880 W Winchester Rd #201, Libertyville, IL 60048. The listed phone number is (847) 247-0187.

What is Gi Partners Of Illinois, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Gi Partners Of Illinois, PLLC enrolled in Medicare?

Yes. Gi Partners Of Illinois, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gi Partners Of Illinois, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 73 clinicians in 4 Medicare specialties reassign their Medicare billing to Gi Partners Of Illinois, PLLC. A 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 the clinician's services. The largest specialties are Gastroenterology (43), Nurse Practitioner (18) and Pathology (7). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gi Partners Of Illinois, PLLC accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Gi Partners Of Illinois, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gi Partners Of Illinois, PLLC was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.