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ALEXIAN BROTHERS SPECIALTY GROUP
NPI 1720371669
Specialist in Elk Grove Village, IL

Active since May 25, 2011
701 BIESTERFIELD RD UNIT 4D, ELK GROVE VILLAGE, IL 60007(855) 692-6482 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alexian Brothers Specialty Group NPPES

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

ALEXIAN BROTHERS SPECIALTY GROUP (NPI 1720371669) is a healthcare organization registered as a specialist in Elk Grove Village, Illinois and active in the NPI registry since May 2011. The organization lists Reinhold Llerena, Abhs Vp, Coo, as its authorized official.

NPPES Registry Identity

NPI1720371669
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameALEXIAN BROTHERS SPECIALTY GROUP
Location Address701 BIESTERFIELD RD UNIT 4DElk Grove Village, IL 60007-3309
Mailing Address701 Biesterfield Rd Unit 4dElk Grove Village, IL 60007-3309 · (855) 692-6482
Phone(855) 692-6482
Organization SubpartYesParent: Alexian Brothers Health System
Authorized OfficialReinhold LlerenaAbhs Vp, Coo · (855) 692-6482
Enumeration DateMay 25, 2011
Last NPPES UpdateNovember 24, 2025
NPPES CertifiedNovember 24, 2025
✔ NPI 1720371669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
701 BIESTERFIELD RD UNIT 4D, Elk Grove Village, IL 60007
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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

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)

Alexian Brothers Specialty Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

46

Medicare enrollment records show 46 clinicians reassign Medicare billing to Alexian Brothers Specialty Group, which bills Medicare for the services they deliver. Of these, 39 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Nurse Practitioner18
Cardiovascular Disease (Cardiology)11
Interventional Cardiology8
Cardiac Electrophysiology5
Vascular Surgery3
Advanced Heart Failure and Transplant Cardiology1

Nearest to this location (20)

See all 46
Anshul Aggarwal, MD
Cardiovascular Disease (Cardiology)
NPI 1023285145
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Maria Agopian, NP
Nurse Practitioner
NPI 1235407735
800 BIESTERFIELD RD
Elk Grove Village, IL 60007
(847) 593-8903
✔ PECOS✔ Accepts Medicare0.1 mi
Firas Barrow, M.D.
Interventional Cardiology
NPI 1194773374
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Jack Chamberlin, M.D.
Interventional Cardiology
NPI 1215980321
800 BIESTERFIELD RD STE G01 WIMMER BUILDING
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Nancy Cleveland, ACNS-BC, FNP-BC
Nurse Practitioner
NPI 1447487103
800 BIESTERFIELD RD
Elk Grove Village, IL 60007
(847) 640-5602
✔ PECOS✔ Accepts Medicare0.1 mi
Rafie Davidov, A.P.N.-C.N.P.
Nurse Practitioner
NPI 1649712373
800 BIESTERFIELD RD STE G01 WIMMER BUILDING
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Alexander Fraley, M.D.
Interventional Cardiology
NPI 1841385184
800 BIESTERFIELD RD STE 101
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
William Gries, M.D.
Cardiovascular Disease (Cardiology)
NPI 1225082571
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Paul Grunenwald, M.D.
Interventional Cardiology
NPI 1427001627
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Georges Haidar, MD
Vascular Surgery
NPI 1609059740
800 BIESTERFIELD RD STE 101
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Jennifer Handelman, APN, NP-C
Nurse Practitioner
NPI 1780169664
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Ashish Haryani, MD
Advanced Heart Failure and Transplant Cardiology
NPI 1245556547
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(479) 813-6808
✔ PECOS✔ Accepts Medicare0.1 mi
Lynn Hickman, MSN, AGACNP-BC
Nurse Practitioner
NPI 1912372327
800 BIESTERFIELD RD
Elk Grove Village, IL 60007
(847) 640-5632
✔ PECOS✔ Accepts Medicare0.1 mi
Kifah Hussain, MD
Cardiovascular Disease (Cardiology)
NPI 1023504321
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
John Kall, M.D.
Cardiac Electrophysiology
NPI 1760438543
800 BIESTERFIELD RD STE G01 WIMMER BUILDING
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Mohammed Khan, M.D.
Cardiac Electrophysiology
NPI 1518183169
800 BIESTERFIELD RD STE G01 WIMMER BUILDING
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Nephtali Kogan, M.D.
Interventional Cardiology
NPI 1053364042
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Baqir Lakhani, DO
Cardiovascular Disease (Cardiology)
NPI 1750677043
800 BIESTERFIELD RD STE 303
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Taral Patel, M.D.
Cardiac Electrophysiology
NPI 1568629616
800 BIESTERFIELD RD STE G01
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
Mark Wernick, M.D.
Cardiac Electrophysiology
NPI 1194762781
800 BIESTERFIELD RD STE G01 WIMMER BUILDING
Elk Grove Village, IL 60007
(847) 981-3680
✔ PECOS✔ Accepts Medicare0.1 mi
See all 46 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 Alexian Brothers Specialty Group's NPI number?

The NPI number for Alexian Brothers Specialty Group is 1720371669. It was assigned to this organization in the NPPES registry on May 25, 2011.

Where is Alexian Brothers Specialty Group located?

Alexian Brothers Specialty Group is located at 701 Biesterfield Rd Unit 4D, Elk Grove Village, IL 60007. The listed phone number is (855) 692-6482.

What is Alexian Brothers Specialty Group's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Alexian Brothers Specialty Group enrolled in Medicare?

Yes. Alexian Brothers Specialty Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alexian Brothers Specialty Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 46 clinicians in 6 Medicare specialties reassign their Medicare billing to Alexian Brothers Specialty Group. 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 Nurse Practitioner (18), Cardiovascular Disease (Cardiology) (11) and Interventional Cardiology (8). Of these, 39 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Alexian Brothers Specialty Group accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Alexian Brothers Specialty Group 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 Alexian Brothers Specialty Group was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.