AMG ILLINOIS LTD
NPI 1972741759
Internal Medicine in Gurnee, IL

Active since February 02, 2009
45 TOWER CT, SUITE C, GURNEE, IL 60031(847) 623-3200 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Amg Illinois Ltd NPPES

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

AMG ILLINOIS LTD (NPI 1972741759) is a healthcare organization registered as an internal medicine in Gurnee, Illinois and active in the NPI registry since February 2009. The organization lists Jeffrey Bahr, President, as its authorized official.

NPPES Registry Identity

NPI1972741759
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameAMG ILLINOIS LTD
Location Address45 TOWER CT, SUITE CGurnee, IL 60031-3376
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (414) 647-6326
Organization SubpartNo
Authorized OfficialJeffrey BahrPresident · (414) 299-1606
Enumeration DateFebruary 2, 2009
Last NPPES UpdateOctober 3, 2025
NPPES CertifiedOctober 3, 2025
✔ NPI 1972741759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedDermatologyTaxonomy 207N00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedSurgeryTaxonomy 208600000X
45 TOWER CT, Gurnee, IL 60031

Other Identifiers 1

Medicaid100005112WI

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted 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)

Amg Illinois Ltd 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 Amg Illinois Ltd, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 14

Diagnostic Radiology25
Family Practice14
Internal Medicine11
Interventional Radiology6
Nurse Practitioner3
Urology3
Emergency Medicine2
General Surgery2
6 other specialties7

Nearest to this location (20)

See all 73
Internal Medicine
NPI 1194712638
45 TOWER CT SUITE C
Gurnee, IL 60031
(847) 623-3200
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1306042999
45 TOWER CT STE C
Gurnee, IL 60031
(847) 623-3200
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1245523216
45 TOWER CT
Gurnee, IL 60031
(847) 623-3200
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1780197269
45 TOWER CT
Gurnee, IL 60031
(847) 623-3200
✔ PECOSSame address
Internal Medicine
NPI 1760478499
45 TOWER CT SUITE C
Gurnee, IL 60031
(847) 623-3200
✔ PECOSSame address
Internal Medicine
NPI 1114913845
45 TOWER CT SUITE C
Gurnee, IL 60031
(847) 623-3200
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1700024411
45 TOWER CT SUITE C
Gurnee, IL 60031
(847) 623-3200
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1811923709
15 TOWER CT STE 210
Gurnee, IL 60031
(847) 599-1444
✔ PECOS✔ Accepts Medicare0.2 mi
Family Practice
NPI 1497850473
1445 N HUNT CLUB RD SUITE 202
Gurnee, IL 60031
(847) 856-0030
✔ PECOS3.8 mi
Dermatology
NPI 1841556735
7505 GRAND AVE
Gurnee, IL 60031
(847) 245-8448
✔ PECOS✔ Accepts Medicare5.0 mi
Emergency Medicine
NPI 1104824085
7505 GRAND AVE
Gurnee, IL 60031
(847) 245-8448
✔ PECOS5.0 mi
Family Practice
NPI 1891783098
7505 GRAND AVE
Gurnee, IL 60031
(847) 245-8448
✔ PECOS✔ Accepts Medicare5.0 mi
Family Practice
NPI 1720421720
7505 GRAND AVE
Gurnee, IL 60031
(847) 245-8448
✔ PECOS✔ Accepts Medicare5.0 mi
Internal Medicine
NPI 1831186568
7505 GRAND AVE
Gurnee, IL 60031
(847) 245-8448
✔ PECOS✔ Accepts Medicare5.0 mi
General Practice
NPI 1477731396
825 S MILWAUKEE AVE
Libertyville, IL 60048
(847) 566-5200
✔ PECOS✔ Accepts Medicare5.4 mi
Family Practice
NPI 1396720694
3115 LEWIS AVE
Zion, IL 60099
(847) 746-3752
✔ PECOS✔ Accepts Medicare6.0 mi
Internal Medicine
NPI 1598786436
3115 LEWIS AVE
Zion, IL 60099
(847) 746-3752
✔ PECOS✔ Accepts Medicare6.0 mi
General Surgery
NPI 1083721526
12500 AURORA DR
Pleasant Prairie, WI 53158
(262) 854-5000
✔ PECOS✔ Accepts Medicare12 mi
Pediatric Medicine
NPI 1336189588
12500 AURORA DR
Pleasant Prairie, WI 53158
(262) 857-5000
✔ PECOS12 mi
Nurse Practitioner
NPI 1811052319
12500 AURORA DR
Pleasant Prairie, WI 53158
(262) 857-5000
✔ PECOS12 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 Amg Illinois Ltd's NPI number?

The NPI number for Amg Illinois Ltd is 1972741759. It was assigned to this organization in the NPPES registry on February 2, 2009.

Where is Amg Illinois Ltd located?

Amg Illinois Ltd is located at 45 Tower Ct Suite C, Gurnee, IL 60031. The listed phone number is (847) 623-3200.

What is Amg Illinois Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Amg Illinois Ltd enrolled in Medicare?

Yes. Amg Illinois Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Amg Illinois Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 73 clinicians in 14 Medicare specialties reassign their Medicare billing to Amg Illinois Ltd. 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 Diagnostic Radiology (25), Family Practice (14) and Internal Medicine (11). Of these, 7 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Amg Illinois Ltd accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and Quartz list Amg Illinois Ltd 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 Amg Illinois Ltd was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.