John B Alexis, MD in Berwyn, IL - Medicare Emergency Medicine

John B Alexis, MD is a medicare enrolled "Emergency Medicine" physician in Berwyn, Illinois. He went to Northwestern University Feinberg Medical School and graduated in 1995 and has 30 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Northwestern Medical Faculty Foundation, Central Dupage Emergency Physicians Pc and his current practice location is 3249 Oak Park Ave, Berwyn, Illinois. You can reach out to his office (for appointments etc.) via phone at (708) 783-9100.

John B Alexis is licensed to practice in Illinois (license number 036-096475) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1689608713.

Contact Information

	John B Alexis, MD
	3249 Oak Park Ave, Berwyn, IL 60402-3429
	(708) 783-9100
	Not Available

Map and Direction

Physician's Profile

Full Name	John B Alexis
Gender	Male
Speciality	Emergency Medicine
Experience	30 Years
Location	3249 Oak Park Ave, Berwyn, Illinois
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

John B Alexis attended and graduated from Northwestern University Feinberg Medical School in 1995

NPI Data:

NPI Number: 1689608713
Provider Enumeration Date: 07/11/2006
Last Update Date: 05/23/2025

Medicare PECOS Information:

PECOS PAC ID: 7214923309
Enrollment ID: I20040423000276

Medical Identifiers

Medical identifiers for John B Alexis such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1689608713	NPI	-	NPPES
036096475	Medicaid	IL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207P00000X	Emergency Medicine	036-096475 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Central Dupage Hospital	Winfield, IL	Hospital
Northwestern Medicine Mchenry Hospital	Mchenry, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Northwestern Medical Faculty Foundation	4587576814	3871
Central Dupage Emergency Physicians Pc	5597763706	26

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John B Alexis allows following entities to bill medicare on his behalf.

Entity Name	Northwestern Medical Faculty Foundation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1346235314 PECOS PAC ID: 4587576814 Enrollment ID: O20031105000541

Entity Name	Central Dupage Emergency Physicians Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1619074028 PECOS PAC ID: 5597763706 Enrollment ID: O20061127000063

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John B Alexis is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
John B Alexis, MD 662 Easton Ln, Elk Grove Village, IL 60007-7833 Ph: (847) 301-0639	John B Alexis, MD 3249 Oak Park Ave, Berwyn, IL 60402-3429 Ph: (708) 783-9100

Reviews and Comments

Emergency Medicine Doctors in Berwyn, IL

Paul Faine, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-783-9100
Dr. Carlos Castaneda, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-795-3159
Camille Enriquez, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-783-9100
Dr. Jaime Moreno, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 3249 S. Oak Park Ave., Berwyn, IL 60402 Phone: 708-783-7070
Anna Ngoc Nguyen, M.D. Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-783-6000
Judith Jean-baptiste, M.D. Emergency Medicine Medicare: Medicare Enrolled Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-783-9100
Diana R Williams, M.D. Emergency Medicine Medicare: Medicare Enrolled Practice Location: 3249 Oak Park Ave, Berwyn, IL 60402 Phone: 708-783-9100

John B Alexis, MD - Medicare Emergency Medicine in Berwyn, IL