William Bayer, MD in Carol Stream, IL - Medicare Endocrinology

William Bayer, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Carol Stream, Illinois. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1986 and has 38 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Central Dupage Physician Group and his current practice location is 501 Thornhill Dr, Carol Stream, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 668-3210.

William Bayer is licensed to practice in Illinois (license number 036077734) 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 1528162898.

Contact Information

	William Bayer, MD
	501 Thornhill Dr, Carol Stream, IL 60188-2793
	(630) 668-3210
	(630) 668-3505

Map and Direction

Physician's Profile

Full Name	William Bayer
Gender	Male
Speciality	Endocrinology
Experience	38 Years
Location	501 Thornhill Dr, Carol Stream, 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 Bayer attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1986

NPI Data:

NPI Number: 1528162898
Provider Enumeration Date: 09/08/2006
Last Update Date: 03/25/2015

Medicare PECOS Information:

PECOS PAC ID: 2567557879
Enrollment ID: I20100327000312

Medical Identifiers

Medical identifiers for William Bayer such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1528162898	NPI	-	NPPES
036077734	Medicaid	IL
036108659	Other	IL	MEDICAID
206147	Other	IL	MEDICARE GROUP PTAN
F400144099	Other	IL	MEDICARE INDIVIDUAL PTAN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	036077734 (Illinois)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Central Dupage Hospital	Winfield, IL	Hospital
Delnor Community Hospital	Geneva, IL	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Central Dupage Physician Group	5890696231	977

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 Bayer allows following entities to bill medicare on his behalf.

Entity Name	Central Dupage Physician Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033149844 PECOS PAC ID: 5890696231 Enrollment ID: O20040303000601

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 Bayer 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 Bayer, MD 501 Thornhill Dr, Carol Stream, IL 60188-2793 Ph: (630) 668-3210	William Bayer, MD 501 Thornhill Dr, Carol Stream, IL 60188-2793 Ph: (630) 668-3210

Reviews and Comments

Internal Medicine Doctors in Carol Stream, IL

Evelyn Diaz-jimenez, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 575 Thornhill Dr, Carol Stream, IL 60188 Phone: 630-480-0226 Fax: 630-868-3127
Joseph Anthony Lagattuta Jr., MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 630 E North Ave Dept Of, Carol Stream, IL 60188 Phone: 630-458-5300 Fax: 630-307-2751
Angelo Miele, MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188 Phone: 630-668-3210 Fax: 630-668-3505
Nausheen Hasan, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 560 Belmont Ln, Carol Stream, IL 60188 Phone: 630-682-1950 Fax: 630-682-1960
Asad Rafiq, MD Endocrinology, Diabetes & Metabolism Medicare: May Accept Medicare Assignments Practice Location: 630 E North Ave Dept Of, Carol Stream, IL 60188 Phone: 630-458-5300
Mark Richard Bednard, DO Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188 Phone: 630-668-3210
Joaquin Heng, MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 501 Thornhill Dr, Carol Stream, IL 60188 Phone: 630-668-3210 Fax: 630-315-1339

William Bayer, MD - Medicare Endocrinology in Carol Stream, IL