William Tillis, in Lake Geneva, WI - Medicare Pulmonary Disease

William Tillis, is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Lake Geneva, Wisconsin. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 1986 and has 38 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Mercy Health System Corporation and his current practice location is N2950 State Road 67, Lake Geneva, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 245-0535.

William Tillis is licensed to practice in Wisconsin (license number 81911-20) 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 1669468377.

Contact Information

	William Tillis,
	N2950 State Road 67, Lake Geneva, WI 53147-2655
	(262) 245-0535
	(262) 245-2248

Map and Direction

Physician's Profile

Full Name	William Tillis
Gender	Male
Speciality	Pulmonary Disease
Experience	38 Years
Location	N2950 State Road 67, Lake Geneva, 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:

William Tillis attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1986

NPI Data:

NPI Number: 1669468377
Provider Enumeration Date: 09/27/2005
Last Update Date: 09/14/2023

Medicare PECOS Information:

PECOS PAC ID: 5991765075
Enrollment ID: I20230913001846

Medical Identifiers

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

Identifier	Type	State	Issuer
1669468377	NPI	-	NPPES
036085931	Medicaid	IL
833307	Medicaid	SC

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RP1001X	Internal Medicine - Pulmonary Disease	83330 (South Carolina)	Secondary
207RP1001X	Internal Medicine - Pulmonary Disease	81911-20 (Wisconsin)	Primary
207RP1001X	Internal Medicine - Pulmonary Disease	036085931 (Illinois)	Secondary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercy Health System Corp	Janesville, WI	Hospital
Mercy Walworth Hospital & Medical Center	Lake geneva, WI	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mercy Health System Corporation	7416860440	459

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 Tillis allows following entities to bill medicare on his behalf.

Entity Name	Mercy Health System Corporation
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1598718603 PECOS PAC ID: 7416860440 Enrollment ID: O20031113000164

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 Tillis 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 Tillis, N2950 State Road 67, Lake Geneva, WI 53147-2655 Ph: (262) 245-0535	William Tillis, N2950 State Road 67, Lake Geneva, WI 53147-2655 Ph: (262) 245-0535

Reviews and Comments

Internal Medicine Doctors in Lake Geneva, WI

Dr. Brian Jay Silverstein, MD Pulmonary Disease Medicare: Not Enrolled in Medicare Practice Location: W3329 Burr Oak Dr, Lake Geneva, WI 53147 Phone: 847-271-9609
Nadiia Marenych, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 146 E Geneva Sq, Lake Geneva, WI 53147 Phone: 262-249-5000
Dr. Nestor C Alabarca, MD Pulmonary Disease Medicare: Not Enrolled in Medicare Practice Location: 146 E Geneva Square, Lake Geneva, WI 53147 Phone: 262-249-5000 Fax: 262-249-7142
Dr. Rajesh Balagani, DO Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: N2950 State Road 67, Lake Geneva, WI 53147 Phone: 262-245-0535 Fax: 262-245-7865
Dr. Nadia Sergevna Hall, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 146 E Geneva Sq, Lake Geneva, WI 53147 Phone: 262-249-5000
Shashi Bhushan, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 146 E Geneva Sq, Lake Geneva, WI 53147 Phone: 262-549-5000

William Tillis, - Medicare Pulmonary Disease in Lake Geneva, WI