William J O'brien, MD in Aurora, IL - Medicare General Surgery

William J O'brien, MD is a medicare enrolled "Surgery" physician in Aurora, Illinois. He went to University Of Wisconsin School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Advocate Health And Hospitals Corporation and his current practice location is 1221 N Highland Ave, Aurora, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 859-8700.

William J O'brien is licensed to practice in Illinois (license number 036-092894) 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 1831101955.

Contact Information

	William J O'brien, MD
	1221 N Highland Ave, Aurora, IL 60506-1404
	(630) 859-8700
	Not Available

Map and Direction

Physician's Profile

Full Name	William J O'brien
Gender	Male
Speciality	General Surgery
Experience	35 Years
Location	1221 N Highland Ave, Aurora, 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 J O'brien attended and graduated from University Of Wisconsin School Of Medicine in 1989

NPI Data:

NPI Number: 1831101955
Provider Enumeration Date: 08/13/2006
Last Update Date: 11/18/2021

Medicare PECOS Information:

PECOS PAC ID: 3375596661
Enrollment ID: I20050228000040

Medical Identifiers

Medical identifiers for William J O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1831101955	NPI	-	NPPES
036092894	Medicaid	IL
04515143	Other	IL	BLUECROSS BLUESHIELD

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
208600000X	Surgery	036-092894 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Advocate Good Samaritan Hospital	Downers grove, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Advocate Health And Hospitals Corporation	7810800935	2484

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 J O'brien allows following entities to bill medicare on his behalf.

Entity Name	Advocate Health And Hospitals Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1003542184 PECOS PAC ID: 7810800935 Enrollment ID: O20220930002728

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 J O'brien 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 J O'brien, MD 2357 Sequoia Dr, Aurora, IL 60506-6222 Ph: (630) 859-6800	William J O'brien, MD 1221 N Highland Ave, Aurora, IL 60506-1404 Ph: (630) 859-8700

Reviews and Comments

Surgery Doctors in Aurora, IL

Nancy E Whereatt, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 1221 N Highland Ave, Aurora, IL 60506 Phone: 630-859-8700
Dr. Daniel Katz, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 2040 Ogden Ave Ste 304, Aurora, IL 60504 Phone: 630-898-3727
Craig L Weinstein, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 2040 Ogden Ave, Ste. 115, Aurora, IL 60504 Phone: 630-585-0200 Fax: 630-585-7396
Mr. Donald Paul Prentiss Jr., M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 1221 N Highland Ave, Aurora, IL 60506 Phone: 630-859-8700
Tedi Vlahu, Surgery Medicare: Accepting Medicare Assignments Practice Location: 1325 N Highland Ave, Aurora, IL 60506 Phone: 630-801-5700
Dr. Gregory A Spitz, M.D., F.A.C.S Surgery Medicare: Accepting Medicare Assignments Practice Location: 1256 Waterford Dr, Suite 130, Aurora, IL 60504 Phone: 630-820-2727 Fax: 630-820-7427
Franklin E Baumann, MD Surgery Medicare: Not Enrolled in Medicare Practice Location: 1221 N Highland Ave, Aurora, IL 60506 Phone: 630-859-8700 Fax: 630-264-8858

William J O'brien, MD - Medicare General Surgery in Aurora, IL