Dr. Mark Klaassen, MD

Dr. Mark Klaassen, MD

Orthopedic Surgery  |  
Male  |  
61 y/o

Accepting new patients

Dr. Mark Klaassen, MD is an orthopedic surgery doctor who practices in Nappanee, IN. He is 61 years old.

Orthopedic Sports Medicine Center

3000 N Main St

Nappanee, IN 46550
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Learn about Dr. Klaassen

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas


See how frequently Dr. Klaassen performs your care needs compared to other doctors.

very high
more than 99% of peers
Bone Disorders
very high
more than 98% of peers
Medial Collateral Ligament (MCL) Sprain
very high
more than 96% of peers

Dr. Klaassen's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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  • Orthopedic Surgery

Board Certifications

  • Orthopedic Surgery
    Accredited by: American Board of Medical Specialties*

Conditions Treated

  • Ankle Fracture
  • Ankylosing Spondylitis
  • Anterior Cruciate Ligament (ACL) or Posterior Cruciate Ligament (PCL) Tear
  • Arthritis of the Elbow
  • Ataxia
  • Autoimmune Diseases
  • Back Pain
  • Baker’s Cyst
  • Bone Disorders
  • Broken Arm
  • Bursitis
  • Cancer
  • Chondrocalcinosis
  • Chronic Neck Pain
  • Chronic Pelvic Pain
  • Coccyx or Sacrum Fracture
  • Complex Regional Pain Syndrome (CRPS)
  • Complications of Joint Prosthesis
  • Degenerative Disc Disease
  • Difficulty With Walking
  • Elbow Injuries
  • Enthesopathy of Hip (incl. Trochanteric Bursitis)
  • Enthesopathy of Knee (incl. Bursitis of Knee)
  • Femur Fracture
  • Foot Conditions
  • Fracture
  • Fracture of Hand (incl. Fingers)
  • Gait Abnormality
  • Ganglion Cyst
  • Gout
  • Hand Conditions
  • Hand Fracture
  • Herniated Disc
  • Hip Fracture
  • Hip Sprain
  • Internal Derangement of Knee
  • Intervertebral Disc Disease
  • Joint Pain
  • Knee Dislocation
  • Knee Disorders
  • Knee Fracture
  • Knee Sprain
  • Leg Fracture Above Knee (incl. Hip)
  • Leg Fracture Below Knee (incl. Ankle)
  • Limb Pain
  • Low Back Pain
  • Lumbar Spine Fracture
  • Medial Collateral Ligament (MCL) Sprain
  • Muscular Dystrophy (MD)
  • Nerve Root Injury and Plexus Disorders (incl. Pinched Nerve)
  • Non-Unions and Malunions of Fractures
  • Osteoarthritis
  • Osteoarthritis of Ankle and Foot
  • Osteoarthritis of Hip
  • Osteoarthritis of Hip and Thigh
  • Osteoarthritis of Knee
  • Osteoarthritis of Shoulder
  • Patellofemoral Pain Syndrome or Knee Pain
  • Pelvic Fracture
  • Peripheral Nerve Disorders
  • Post-Laminectomy Syndrome
  • Pyogenic Arthritis
  • Radiculopathy (Not Due to Disc Displacement)
  • Rheumatoid Arthritis
  • Rotator Cuff Tear
  • Runner's Knee
  • Scapular Fracture
  • Sciatica (Not Due to Disc Displacement)
  • Scoliosis
  • Shoulder Dislocation
  • Shoulder Disorders
  • Shoulder Impingement Syndrome
  • Shoulder Tendinitis and Tenosynovitis
  • Sjögren's Syndrome
  • Spinal Stenosis
  • Spine Deformities
  • Spine Disorders
  • Spine Fractures, Traumatic
  • Spondylitis
  • Spondylolisthesis
  • Spondylosis
  • Sprains and Strains (incl. Muscle Tear)
  • Tibia and Fibula Fractures


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  • All Shoulder or Elbow Replacement Procedures
  • Arm Surgery
  • Arthroscopic Shoulder Surgery
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Epidural Block, Facet Blocks
  • Excision of Scapula, Clavicle, Rib, or Sternum
  • Excision of Tibia or Fibula
  • Foot and Ankle Fracture Treatment, Open
  • Foot and Ankle Fracture and Dislocation Treatment
  • Foot and Ankle Ligament and Tendon Repair
  • Fracture Care
  • Hip Fracture and Dislocation Treatment
  • Hip Fracture and-or Dislocation Treatment, Closed
  • Hip Fracture and-or Dislocation Treatment, Open
  • Hip Replacement
  • Hip Replacement Revision
  • Hip Resurfacing
  • Joint Drainage
  • Knee Arthroscopy
  • Knee Replacement
  • Knee Replacement Revision
  • Knee Surgery
  • Knee and Leg Fracture and Dislocation Treatment
  • Knee and Lower Leg Fracture Treatment, Closed
  • Knee and Lower Leg Fracture Treatment, Open
  • Nerve Block, Somatic
  • Peripheral Nerve Block
  • Resection or Ablation of Bone Tumor, Partial or Complete Resection of Bone, Debridement of Bone
  • Reverse Total Shoulder and Total Shoulder Replacement
  • Revision of Shoulder or Elbow Replacement
  • Rotator Cuff Surgery
  • Separated Femoral Epiphysis Treatment
  • Shoulder Fracture Treatment
  • Shoulder Fracture and Dislocation Treatment
  • Spinal Nerve Block
  • Steroid Injection
  • Trigger Point Injection
  • Viscosupplementation With Hyaluronate


Read More

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Indiana.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Indiana School Of Medicine At Notre Dame
    Medical School | Graduated

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Klaassen has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Klaassen does not have any memberships or affiliations listed. If you are Dr. Klaassen and would like to add memberships or affiliations, please update your profile.

Dr. Klaassen's Reviews

Likelihood of recommending Dr. Klaassen to family and friends
based on 42 total reviews (19 with comments)
Dr. Klaassen's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    10 to 15 minutes
Patient Comments (19)
in 58761 County Road 19, Goshen, IN 46528 |
Having a joint replaced is no small event. Procedures leading up to this surgery are also sometimes painful and upsetting. Having had several surgeries in both knees by several different surgeons I can honestly tell you that working with Dr. Klaassen has been a blessing during difficult circumstances. He is knowledgeable, professional, has time to treat you like a human being and not an inconvenience. He works with a staff of the very best nurses and health professionals. He is the best.
in Elkhart, IN |
I chose Dr. Klaassen after talking with several friends. Dr. Klaassen relates very well with his patients. While talking with you he shows you your ex-rays so that you can better understand what your problem is, he gives you his recommendation for treatment and then asks what you think. He makes sure that he has answered all your questions. He also provides an information (care) system - pre, during and post surgery via email that I found to be quite helpful. I made the right choice.
in Mishawaka, IN |
Dr. Klaassen listens to what I have to say, and lets me have a voice in my recovery. His office communication is excellent! If anyone needs orthopedic care, Dr. Mark Klaassen is the one to go to!
in Elkhart, Indiana |
Even though my surgery was a lot more complicated than we thought it would be, I would never have wanted anyone else doing it. Impatient with my recovery, but that is no reflection on the Dr. Klaassen. I guess my knee was pretty much a mess.
South Bend, IN |
I would highly recommend Dr. Klaassen to anyone needing hip replacement surgery. He is talented, straightforward, honest, and very conscientious. His entire team does a great job and I got through the surgery and rehab almost pain free. Like most patients, I wish I had done this much earlier.
in Milllebury,indiana |
We find Dr Klaassen very knowledgeable, kind, considerate. and truthful. we would certainly use him again.He is concerned about the procedure and recuperation; in other words total health of patient. great Dr!
in Elkhart, IN |
Dr. Klaassen is the best. Have had a complete shoulder (reverse) replacement, a right knee full replacement, and the left knee will be done in about 4 weeks. Then on to the other shoulder after that. Not only Dr. Klaassen, but his staff are the best too. The Doctor is clear, honest, to the point, has a great bedside manner, and is prompt. What more can you ask for?? MY recovery has been better than expected. I highly recommend Dr. Klaassen.
in Warsaw, IN |
Dr Kl;aassen is the best, ..he done both my knees 11 years ago and no problems. it was a long wait to get in for hip but well worth it.... thank you Dr Klaassen and staff
in Goshen, IN |
I highly recommend Dr Klaassen! I have already referred him to a friend that is in search of an orthopedic dr for a total hip replacment ( I had a total hip replacement). I have worked in healthcare for over 30 yrs as an X-Ray Technologist, and I was very particular about who I chose to perform my surgery. I did have to wait 3 1/2 months to get my surgery scheduled, but I somehow managed to work up until that time. I also used the Game Ready iceing apparatus, but was not impressed.
in milford,ind. |
I would highly recommend Dr. Klaassen. He is very easy to talk to and his staff likewise. He keeps up with my progress which I like very much.
in Goshen, In. |
You won't fine a better or more caring doctor, he is kind, always willing to listen to whatever your needs are, you just couldn't ask for a better doctor or place to go for your needs. OSMC is the best, and so is Dr. Mark Klaassen.
in South Bend, In. |
Dr. Klaussen is very knowledgeable, friendly, and easy to understand. During my first visit it was clear from the x-ray of my hip that I needed a total joint replacement. Dr. Klaussen performed the anterior method of hip replacement. Everything went perfectly smoothly within just one hour and 15 minutes. My recovery from the very first day until now, eight weeks later, has been amazingly easy. The doctor and his staff are all 5 - star.
in Goshen, Indiana |
Well organized, excellent preparation for surgery and great follow-up.
in Granger, IN |
Dr. Klaassen is a wonderful orthopedic surgeon. He and his staff work in concert to provide not only a seamless, easy surgical experience, but easy follow-up and rehabilitation services, as well.
in Goshen, IN |
I feel Dr. Klaassen is at the cutting edge of procedures and knowledge to perform a successful surgery with as quick as possible recovery
Milford, IN |
He is a very caring physician. He top notch in knowledge of his field of expertise.
in Elkhart, IN |
I highly recommend Dr. Klaassen. He takes all of your health issues into consideration and proceeds with what is the best procedure for the situation. Thanks, Dr. Klaassen!!
in elkhart, in |
Excellant doctor, everthing went better than expected. fast recover and turn around. all OSMC and hospital personell were friendly and kind. Any one who needs Surgurey, definatly see Dr. Klaassen.
in Warsaw, IN |
Dr Klaassen is a warm, cafing surgeon with a sense of humor and excellent team. He is patient and is willing to answer any questtons you might have. His staff is well trained and responsive to any questions or concerns you might have. Dr. Klaassen is extremely well thought of in the orthopedic community and is an early adoptet of new equipment and techniques.,
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Hospitals where Dr. Klaassen has admitting privileges

Goshen Hospital
200 High Park Ave
Goshen, IN 46526
View Hospital Profile

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