Dr William Brendan Hayes, MD in Madison, WI

Dr William Brendan Hayes, MD is a medicare enrolled "Anesthesiology" physician in Madison, Wisconsin. He went to University Of Texas Southwestern Medical School At Dallas and graduated in 1994 and has 32 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Austin Anesthesiology Group Pllc, Mercy Medical Center and his current practice location is 600 Highland Ave, Madison, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 263-8100.

Dr William Brendan Hayes is licensed to practice in Wisconsin (license number 56749) 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 1760433098.

Contact Information

	Dr William Brendan Hayes, MD
	600 Highland Ave, Madison, WI 53792-4609
	(608) 263-8100
	(608) 262-6247

Map and Direction

Physician's Profile

Full Name	Dr William Brendan Hayes
Gender	Male
Speciality	Anesthesiology
Experience	32 Years
Location	600 Highland Ave, Madison, Wisconsin
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:

Dr William Brendan Hayes attended and graduated from University Of Texas Southwestern Medical School At Dallas in 1994

NPI Data:

NPI Number: 1760433098
Provider Enumeration Date: 05/12/2006
Last Update Date: 12/10/2025

Medicare PECOS Information:

PECOS PAC ID: 9638143373
Enrollment ID: I20040819001336

Medical Identifiers

Medical identifiers for Dr William Brendan Hayes such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1760433098	NPI	-	NPPES
103430804	Medicaid	TX
82516	Other	AR	MEDICARE PIN
806823200	Medicaid	TX
103430805	Medicaid	TX
8X1982	Other	TX	BCBS
P00647473	Other	TX	RAILROAD
X5423	Other	MT	MEDICARE PIN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	60074 (Tennessee)	Secondary
207L00000X	Anesthesiology	J8572 (Texas)	Secondary
207L00000X	Anesthesiology	56749 (Wisconsin)	Primary
207L00000X	Anesthesiology	MD22759 (Maine)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercy Medical Center - Cedar Rapids	Cedar rapids, IA	Hospital
St David's Medical Center	Austin, TX	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Austin Anesthesiology Group Pllc	0547256497	400
Mercy Medical Center	4183535271	303

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. Dr William Brendan Hayes allows following entities to bill medicare on his behalf.

Entity Name	Anesthesiology Consultants Of North Texas Pa
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1699712596 PECOS PAC ID: 3870483001 Enrollment ID: O20040319000247

Entity Name	Austin Anesthesiology Group Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1598724304 PECOS PAC ID: 0547256497 Enrollment ID: O20040424000086

Entity Name	Reliance Anesthesia Group Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1467865600 PECOS PAC ID: 6002033982 Enrollment ID: O20140818000793

Entity Name	Emergenchealth Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1467970897 PECOS PAC ID: 1355606641 Enrollment ID: O20180608000439

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. Dr William Brendan Hayes 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
Dr William Brendan Hayes, MD 7974 Uw Health Ct, Middleton, WI 53562-5531 Ph: (817) 776-3621	Dr William Brendan Hayes, MD 600 Highland Ave, Madison, WI 53792-4609 Ph: (608) 263-8100

Reviews and Comments

Anesthesiology Doctors in Madison, WI

Andrew Mark Schroeder, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 4029 Council Crst, Madison, WI 53711 Phone: 608-692-6481
Dr. Matthew James Hoyt, M.D. Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 600 Highland Ave, Madison, WI 53792 Phone: 608-263-8100
John Henry Norman Harrison, Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 600 Highland Ave, Madison, WI 53792 Phone: 608-263-8100
Stephen H Vander Sluis, Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 700 S Park St, Madison, WI 53715 Phone: 608-251-6100 Fax: 608-258-5222
Peter Gerard Pryde, MD Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 202 S Park St, 4 Tower, Madison, WI 53715 Phone: 608-267-6676
Justin Allen Lehrke, CRNA Anesthesiology Medicare: Accepting Medicare Assignments Practice Location: 700 S Park St, Madison, WI 53715 Phone: 608-251-6100 Fax: 608-258-5222
Dr. Laurence Ross Rothstein, M.D. Anesthesiology Medicare: Not Enrolled in Medicare Practice Location: 202 South Park Street, C/o Madison Anesthesiology Consultants, Llp, Madison, WI 53715 Phone: 608-267-6676

Dr William Brendan Hayes, MD - Medicare Anesthesiology in Madison, WI