Mark A Klaassen
MD | Orthopedic Surgery | 44+ years Exp
Medicare Enrolled 315 East 200 North, Ste A, Warsaw
Indiana, 46582
574-264-4163 574-262-9650
Maps & DirectionsMark A Klaassen is a Warsaw, Indiana based orthopedic surgeon with 44 years of experience in Orthopedic Surgery. He completed his graduation from Indiana University School Of Medicine in 1982. He is also affiliated with hospitals like Elkhart General Hospital and Kosciusko Community Hospital. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Mark A Klaassen is 01031923A for Orthopedic Surgery in Indiana.
Mark A Klaassen is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means including the patients with musculoskeletal problems which include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. Patients with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system are also concerned.
Complete Profile:
Mark A Klaassen speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Orthopedic - Orthopedic Surgery |
| Credentials: | MD |
| Experience: | 44+ years |
| Medical School Attended: | Indiana University School Of Medicine |
| Graduation Year: | 1982 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 315 East 200 North, Ste A, Warsaw,
Indiana, 46582 |
| Phone: | 574-264-4163 |
| Fax: | 574-262-9650 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 6103930805 |
| Enrollment ID: | I20101124000150 |
| NPI Number: | 1053325589 |
| NPI Enumeration Date: | 28 Jul, 2006 |
| NPI Last Update On: | 23 Dec, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mark A Klaassen are as mentioned below.
| License Number | Specialization | State | Status | |
| 01031923A | Orthopedic Surgery | Indiana | Primary | |
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
| Hospital Name (CCN) | State | Hospital Type |
| Elkhart General Hospital (150018) | Elkhart, IN | Acute Care Hospital |
| Kosciusko Community Hospital (150133) | Warsaw, IN | Acute Care Hospital |
| Goshen Hospital (150026) | Goshen, IN | Acute Care Hospital |
| Community Hospital Of Bremen Inc(151300) | Bremen, IN | Critical Access Hospital |
| Parkview Whitley Hospital (150101) | Columbia city, IN | Acute Care Hospital |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Mark A Klaassen is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Orthopedic And Sports Medicine Center Of Northern Indiana Inc (0840260105) | 42 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Mark A Klaassen such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 100206940A | Medicaid | Indiana | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 5052 N Clinton St,
Fort Wayne, Indiana |
| Zip: | 46825-5822 |
| Phone Number: | 260-484-8551 |
| Fax Number: | 260-482-5060 |
Patients can reach Mark A Klaassen at
315 East 200 North, Ste A, Warsaw, Indiana or can
call to book an appointment on 574-264-4163.
Frequently Asked Questions:
Below are some commonly asked questions about Mark A Klaassen:
Dr. Mark A Klaassen is an orthopedic surgeon specializing in Orthopedic Surgery. He is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means including the patients with musculoskeletal problems which include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. Patients with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system are also concerned.
Dr. Mark A Klaassen received his medical degree (MD) from Indiana University School Of Medicine in 1982.
Dr. Mark A Klaassen has approximately 44 years of medical experience.
Yes, Dr. Mark A Klaassen accepts Medicare assignment, meaning provider participates in Medicare and accepts Medicare-approved amounts for eligible services.
Dr. Mark A Klaassen is affiliated with Elkhart General Hospital, Kosciusko Community Hospital, Goshen Hospital, Community Hospital Of Bremen Inc, Parkview Whitley Hospital where surgeon can provide orthopedic evaluations, surgical procedures, and follow-up care.
Yes, Dr. Mark A Klaassen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
Dr. Mark A Klaassen practices at 315 East 200 North, Ste A, Warsaw, Indiana, 46582.
To schedule an appointment with Dr. Mark A Klaassen, please contact the office at 574-264-4163.
Comments/ Reviews:
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** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.