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Edit this profileAt a glance
- 1100 Joliet St, Ste 104, Dyer, IN 46311
About Dr. Chang
Mark K. Chang, M.D. practices orthopaedic surgery in Dyer, IN. Mark is a 1990 graduate of Medical University of South Carolina College of Medicine. Medicare claims data shows Mark provided 1,677 services to 1,120 patients. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and x-ray of lower and sacral spine, 2-3 views. The provider's National Provider Identifier (NPI) is 1871607507.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (219) 836-4955
- Email not available
Practice Locations
1100 JOLIET ST STE 104
Dyer, IN 46311
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Arthritis
- Carpal tunnel
- Rotator cuff tear
- Sciatica
- Torn Achilles tendon
- Torn ACL
- Torn meniscus
Elbow, hand, and wrist
- Cubital tunnel syndrome
- Golfer's elbow
- Tennis elbow
- Trigger finger
- Wrist fracture
Foot and ankle
- Ankle fracture
- Ankle sprain
- Heel pain
Hip
- Hip labral tear
- Lateral hip pain and trochanteric bursitis
Shoulder
- Broken collarbone
- Frozen shoulder
- Shoulder impingement
- Dislocated joint
Sports and soft tissue
- Stress fracture
Trauma and bone
- Bone fractures
- Osteoporosis
Foot & Ankle
- Bunions
Spine
Procedures & services
Most searched procedures
- Achilles tendon repair
- ACL reconstruction
- Carpal tunnel surgery
- Hip replacement
- Knee replacement
Evaluation and nonsurgical
- Cast placement and management
Arthroscopy
- Hip arthroscopy
- Rotator cuff repair
- Shoulder arthroscopy
Foot & Ankle
- Ankle Ligament Surgery
- Hammertoe Surgery
Foot and ankle
- Ankle arthroscopy
- Ankle fusion
- Bunion surgery
Hand & Wrist
- De Quervain's Release
Hand and upper extremity
- Cubital tunnel decompression
- Dupuytren contracture surgery
- Trigger finger release
Injections & Non-Surgical
- Knee Joint Injection
- PRP Injection
Injections & pain relief
- Cortisone Shot for Joint Pain
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
- Kneecap Stabilization Surgery
- Meniscus Surgery
Shoulder surgery
- Shoulder labrum repair
Trauma & Fractures
- Broken Hip Surgery
- Hardware Removal Surgery
Trauma and fixation
- Open reduction and internal fixation
Procedures Most Often Billed to Medicare
1,677 services · 1,120 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
49 | More than most peers in Orthopaedic Surgery |
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
32 | As often as other peers in Orthopaedic Surgery |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
30 | More often than most peers in Orthopaedic Surgery |
| Fusion of spine in lower back | Procedure | 22612 |
22 | More often than most peers in Orthopaedic Surgery |
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
18 | Less often than most peers in Orthopaedic Surgery |
| Fusion of spine in lower back with partial removal of spine bone and disc | Procedure | 22633 |
15 | As often as other peers in Orthopaedic Surgery |
| Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back | Procedure | 63052 |
13 | Less often than most peers in Orthopaedic Surgery |
| Removal of stabilizing device from back of spine | Procedure | 22850 |
12 | Too few peers to compare |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
276 | More than most peers in Orthopaedic Surgery |
| X-ray of upper spine, 2-3 views | Imaging | 72040 |
70 | More often than most peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at Medical University of South Carolina College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 8
Providers in IN who bill this service to Medicare most often.
Common questions
What is Mark K. Chang's specialty?
Mark K. Chang is an orthopaedic surgeon in Dyer, IN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Where can I find Mark K. Chang?
Mark K. Chang is listed at 1100 Joliet St Ste 104, Dyer, IN 46311. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark K. Chang?
The number on file is (219) 836-4955. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark K. Chang?
Mark K. Chang's National Provider Identifier is 1871607507. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark K. Chang's education?
Mark K. Chang attended Medical University of South Carolina College of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark K. Chang have?
Mark K. Chang has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Mark K. Chang known for?
According to Medicare billing data, Mark K. Chang performs procedures including partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment, partial removal of spine bone with release of spinal cord and/or nerves, each additional segment and placement of stabilizing device to back, 3-6 spine bone segments; reads or performs imaging such as x-ray of lower and sacral spine, 2-3 views and x-ray of upper spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark K. Chang's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Chang. If this is you, claiming it is free.
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