John J O'brien, MD in Livonia, MI - Medicare Internal Medicine

John J O'brien, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Livonia, Michigan. His current practice location is 36475 Five Mile Rd, Livonia, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 655-2727.

John J O'brien is licensed to practice in Michigan (license number 4301093280) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1619088218.

Contact Information

	John J O'brien, MD
	36475 Five Mile Rd, Livonia, MI 48154-1971
	(734) 655-2727
	Not Available

Map and Direction

Physician's Profile

Full Name	John J O'brien
Gender	Male
Speciality	Internal Medicine - Gastroenterology
Location	36475 Five Mile Rd, Livonia, Michigan
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1619088218
Provider Enumeration Date: 08/31/2006
Last Update Date: 01/08/2018

Medicare PECOS Information:

PECOS PAC ID: 8022087584
Enrollment ID: I20090521000263

Medical Identifiers

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

Identifier	Type	State	Issuer
1619088218	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RG0100X	Internal Medicine - Gastroenterology	4301093280 (Michigan)	Primary

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

Entity Name	St Mary Mercy Physician Practices
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1568630077 PECOS PAC ID: 4587742804 Enrollment ID: O20080425000614

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. John 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
John J O'brien, MD 14555 Levan Rd Ste 310, Livonia, MI 48154-5085 Ph: (734) 655-2989	John J O'brien, MD 36475 Five Mile Rd, Livonia, MI 48154-1971 Ph: (734) 655-2727

Reviews and Comments

Internal Medicine Doctors in Livonia, MI

Mark Gregory Marrone, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 18302 Middlebelt Rd, Livonia, MI 48152 Phone: 248-478-1500 Fax: 248-478-2798
Jay Maurice Daitch, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 20206 Farmington Rd, Livonia, MI 48152 Phone: 248-476-4724 Fax: 248-476-7091
Dr. Mark R. Villeneuve, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 14555 Levan Rd, Suite 202, Livonia, MI 48154 Phone: 734-542-4470 Fax: 734-542-4475
Dr. John Krausman, M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 20000 Farmington Rd, Bldg. E, Livonia, MI 48152 Phone: 248-474-1144 Fax: 248-474-1548
Jenelle Hao-galera, MD Gastroenterology Medicare: Medicare Enrolled Practice Location: 36123 Schoolcraft Rd, Livonia, MI 48150 Phone: 734-793-6140 Fax: 734-402-0254
Mark A Rasak, DO Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 17880 Farmington Rd, Livonia, MI 48152 Phone: 248-615-7300 Fax: 248-615-7333
Maria B. Perry, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 36123 Schoolcraft Rd, Livonia, MI 48150 Phone: 734-464-0887 Fax: 734-402-0254

John J O'brien, MD - Medicare Internal Medicine in Livonia, MI