William T O'rourke, MD in Lombard, IL - Medicare Internal Medicine

William T O'rourke, MD is a medicare enrolled "Internal Medicine" physician in Lombard, Illinois. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1995 and has 30 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Endeavor Health Medical Group, Advocate Health And Hospitals Corporation and his current practice location is 454 E Roosevelt Rd, Lombard, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 387-6424.

William T O'rourke is licensed to practice in Illinois (license number 036096382) 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 1013013119.

Contact Information

	William T O'rourke, MD
	454 E Roosevelt Rd, Lombard, IL 60148-4630
	(630) 387-6424
	(630) 387-6425

Map and Direction

Physician's Profile

Full Name	William T O'rourke
Gender	Male
Speciality	Internal Medicine
Experience	30 Years
Location	454 E Roosevelt Rd, Lombard, 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:

William T O'rourke attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1995

NPI Data:

NPI Number: 1013013119
Provider Enumeration Date: 09/15/2006
Last Update Date: 07/28/2025

Medicare PECOS Information:

PECOS PAC ID: 0941339501
Enrollment ID: I20100520000510

Medical Identifiers

Medical identifiers for William T O'rourke such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1013013119	NPI	-	NPPES
36-096382	Medicaid	IL

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	36-096382 (Illinois)	Secondary
207R00000X	Internal Medicine	036096382 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Residential Home Health	Downers grove, IL	Home health agency
Elmhurst Memorial Hospital	Elmhurst, IL	Hospital
Edward Hospital	Naperville, IL	Hospital
Advocate Good Samaritan Hospital	Downers grove, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Endeavor Health Medical Group	2163334699	3022
Advocate Health And Hospitals Corporation	7810800935	2682

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. William T O'rourke allows following entities to bill medicare on his behalf.

Entity Name	Elmhurst Memorial Healthcare
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1457493454 PECOS PAC ID: 9638168602 Enrollment ID: O20040506001298

Entity Name	Endeavor Health Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1497701882 PECOS PAC ID: 2163334699 Enrollment ID: O20040524000118

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. William T O'rourke 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
William T O'rourke, MD 29373 Network Pl, Chicago, IL 60673-1293 Ph: (847) 390-5900	William T O'rourke, MD 454 E Roosevelt Rd, Lombard, IL 60148-4630 Ph: (630) 387-6424

Reviews and Comments

Internal Medicine Doctors in Lombard, IL

Dr. Diane Gale Rapaport, M.D. Internal Medicine Medicare: Medicare Enrolled Practice Location: 580 Waters Edge, Suite 100, Lombard, IL 60148 Phone: 630-495-8484 Fax: 630-495-1598
Rong Shang Tu, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2340 S Highland Ave, 230, Lombard, IL 60148 Phone: 630-932-2040 Fax: 866-932-1513
Dhara Naik, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 454 E Roosevelt Rd, Lombard, IL 60148 Phone: 630-387-6424 Fax: 630-387-6425
Dr. Nasser A Boshra, M.D Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1801 S Highland Ave Ste 130, Lombard, IL 60148 Phone: 630-627-4722 Fax: 630-627-9134
Elaine E Spirakes, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 454 E Roosevelt Rd, Lombard, IL 60148 Phone: 630-387-6424 Fax: 630-387-6425
Shawn George, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 500 E. 22nd Street, Suite A, Lombard, IL 60148 Phone: 630-932-2055 Fax: 630-932-2059

William T O'rourke, MD - Medicare Internal Medicine in Lombard, IL