Mark K Chang, M.D.
Mark K Chang is an Orthopaedic Surgery specialist based in Dyer, IN with over 36 years of clinical experience. Offers virtual telehealth visits.
Mark K Chang, M.D. runs an independent orthopedic surgeon practice in Dyer, IN. He graduated from Medical University of South Carolina College of Medicine in 1990 and has 36+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Uses generic medications more than 96% of reporting doctors in Indiana
- Virtual visits available — no app or travel required
Older · 473dNPPES updated 2025-02-05 · verify NPI on CMS · Verify license at Indiana Medical Licensing Board
Contact & Location
Practice Location
1100 Joliet St Ste 104, Dyer, IN 46311-1996
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+4%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+3%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1990
Medical University of South Carolina College of Medicine
Board certified · Feb 4, 2025
Self-reported via NPPES
36 years in practice
Senior practitioner
An orthopaedic surgeon 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. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems 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. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Taxonomy: 207X00000X
Education & Training
Medical University of South Carolina College of Medicine (Class of 1990)
Virtual Orthopaedic Surgery Care With Mark K Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mark K Chang for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Dyer required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Mark K Chang
Dr. Chang is listed as active in the NPI registry with telehealth listed in Dyer, IN. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (219) 836-4955.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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