William K Gretzinger, DO in Petoskey, MI - Medicare Emergency Medicine

William K Gretzinger, DO is a medicare enrolled "Emergency Medicine - Emergency Medical Services" physician in Petoskey, Michigan. He went to Michigan State University College Of Osteopathic Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Ecs Northern Michigan Pc and his current practice location is 416 Connable Ave, Er Department, Petoskey, Michigan. You can reach out to his office (for appointments etc.) via phone at (231) 487-4000.

William K Gretzinger is licensed to practice in Michigan (license number WG011330) 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 1518994979.

Contact Information

	William K Gretzinger, DO
	416 Connable Ave, Er Department, Petoskey, MI 49770
	(231) 487-4000
	Not Available

Map and Direction

Physician's Profile

Full Name	William K Gretzinger
Gender	Male
Speciality	Emergency Medicine
Experience	33 Years
Location	416 Connable Ave, Petoskey, Michigan
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 K Gretzinger attended and graduated from Michigan State University College Of Osteopathic Medicine in 1991

NPI Data:

NPI Number: 1518994979
Provider Enumeration Date: 06/28/2006
Last Update Date: 10/09/2019

Medicare PECOS Information:

PECOS PAC ID: 5092848325
Enrollment ID: I20100806000057

Medical Identifiers

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

Identifier	Type	State	Issuer
1518994979	NPI	-	NPPES
114081517	Medicaid	MI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207L00000X	Anesthesiology	5101011330 (Michigan)	Secondary
207PE0004X	Emergency Medicine - Emergency Medical Services	WG011330 (Michigan)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mclaren Northern Michigan	Petoskey, MI	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Ecs Northern Michigan Pc	3173892627	20

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 K Gretzinger allows following entities to bill medicare on his behalf.

Entity Name	Ecs Northern Michigan Pc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1992231377 PECOS PAC ID: 3173892627 Enrollment ID: O20170627001889

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 K Gretzinger 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 K Gretzinger, DO 930 Spring Street, Petoskey, MI 49770 Ph: (800) 540-8739	William K Gretzinger, DO 416 Connable Ave, Er Department, Petoskey, MI 49770 Ph: (231) 487-4000

Reviews and Comments

Emergency Medicine Doctors in Petoskey, MI

Mr. Brian Gelb, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 4170 Cedar Bluff Dr, Petoskey, MI 49770 Phone: 231-487-2230
Dr. Khalil A Attie, MD Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 416 Connable Avenue, Er Department, Petoskey, MI 49770 Phone: 231-487-4000
Dr. Craig Allan Reynolds, DO Emergency Medicine Medicare: Medicare Enrolled Practice Location: 416 Connable Avenue, Er Department, Petoskey, MI 49770 Phone: 231-487-4000
Ms. Linda Gail Silfven, MD Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 116 W Mitchell, Petoskey, MI 49770 Phone: 231-348-2828
Dr. James Randall Galloway, DO Emergency Medicine Medicare: Medicare Enrolled Practice Location: 416 Connable Ave, Northern Michigan Hospital, Petoskey, MI 49770 Phone: 231-487-4520 Fax: 231-487-7723
Peter Joseph Nemes, Emergency Medicine Medicare: Accepting Medicare Assignments Practice Location: 416 Connable Ave, Petoskey, MI 49770 Phone: 800-248-6777
Mr. Paul Eugene Romig, MD Emergency Medicine Medicare: Not Enrolled in Medicare Practice Location: 416 Connable Ave, Er Department, Petoskey, MI 49770 Phone: 231-487-4000

William K Gretzinger, DO - Medicare Emergency Medicine in Petoskey, MI