John L Olson, MD in Marshfield, WI - Medicare Internal Medicine

John L Olson, MD is a medicare enrolled "Internal Medicine" physician in Marshfield, Wisconsin. His current practice location is 1000 N Oak Ave, Marshfield, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (715) 387-5755.

John L Olson is licensed to practice in Wisconsin (license number 29284) 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 1194835249.

Contact Information

	John L Olson, MD
	1000 N Oak Ave, Marshfield, WI 54449
	(715) 387-5755
	Not Available

Map and Direction

Physician's Profile

Full Name	John L Olson
Gender	Male
Speciality	Internal Medicine
Location	1000 N Oak Ave, Marshfield, Wisconsin
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1194835249
Provider Enumeration Date: 08/30/2006
Last Update Date: 07/08/2007

Medicare PECOS Information:

PECOS PAC ID: 0042391724
Enrollment ID: I20080118000663

Medical Identifiers

Medical identifiers for John L Olson such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1194835249	NPI	-	NPPES
31520700	Medicaid	WI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	29284 (Wisconsin)	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 L Olson allows following entities to bill medicare on his behalf.

Entity Name	Marshfield Clinic Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1952347981 PECOS PAC ID: 2264345206 Enrollment ID: O20031106000590

Entity Name	Lakeview Medical Center Inc Of Rice Lake
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1093201832 PECOS PAC ID: 6103737820 Enrollment ID: O20180817001484

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 L Olson 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 L Olson, MD 1000 N Oak Ave, Marshfield, WI 54449-5777 Ph: () -	John L Olson, MD 1000 N Oak Ave, Marshfield, WI 54449 Ph: (715) 387-5755

Reviews and Comments

Internal Medicine Doctors in Marshfield, WI

Kenneth E Engelhart, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5704
Michael E Ryan, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-221-7822
James Nash, DO Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511
Patrick Michael Aquilina, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511
Maria Voronova, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-1713
Matthew C. Keifer, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5511 Fax: 715-387-5240
Alan K Mckenzie, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 1000 N Oak Ave, Marshfield, WI 54449 Phone: 715-387-5481

John L Olson, MD - Medicare Internal Medicine in Marshfield, WI