Mark A Klaassen, MD in Warsaw, IN - Medicare Orthopaedic Surgery

Mark A Klaassen, MD is a medicare enrolled "Orthopaedic Surgery" physician in Warsaw, Indiana. His current practice location is 315 East 200 North, Ste A, Warsaw, Indiana. You can reach out to his office (for appointments etc.) via phone at (574) 264-4163.

Mark A Klaassen is licensed to practice in Indiana (license number 01031923A) 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 1053325589.

Contact Information

	Mark A Klaassen, MD
	315 East 200 North, Ste A, Warsaw, IN 46582
	(574) 264-4163
	(574) 262-9650

Map and Direction

Physician's Profile

Full Name	Mark A Klaassen
Gender	Male
Speciality	Orthopaedic Surgery
Location	315 East 200 North, Warsaw, Indiana
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1053325589
Provider Enumeration Date: 07/28/2006
Last Update Date: 12/23/2025

Medicare PECOS Information:

PECOS PAC ID: 6103930805
Enrollment ID: I20101124000150

Medical Identifiers

Medical identifiers for Mark A Klaassen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1053325589	NPI	-	NPPES
100206940A	Medicaid	IN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207X00000X	Orthopaedic Surgery	01031923A (Indiana)	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. Mark A Klaassen allows following entities to bill medicare on his behalf.

Entity Name	Orthopedic And Sports Medicine Center Of Northern Indiana Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1710085253 PECOS PAC ID: 0840260105 Enrollment ID: O20040727000002

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. Mark A Klaassen 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
Mark A Klaassen, MD 5052 N Clinton St, Fort Wayne, IN 46825-5822 Ph: (260) 484-8551	Mark A Klaassen, MD 315 East 200 North, Ste A, Warsaw, IN 46582 Ph: (574) 264-4163

Reviews and Comments

Orthopaedic Surgery Doctors in Warsaw, IN

Leamon D Williams, MD Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 1500 Provident Dr Ste B, Warsaw, IN 46580 Phone: 574-269-8301 Fax: 574-269-8302
Dr. Kyle Richard Carlson, D.O. Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 1500 Provident Dr Ste B, Warsaw, IN 46580 Phone: 260-484-8551 Fax: 260-482-5060
Dr. Leo Dean Jansen, M.D. Orthopedic Surgery Medicare: Not Enrolled in Medicare Practice Location: 2124 N Biomet Dr, Warsaw, IN 46582 Phone: 574-267-2663 Fax: 574-267-4408

Mark A Klaassen, MD - Medicare Orthopaedic Surgery in Warsaw, IN