Dr. Mark Chang, MD
Cardiovascular Disease (cardiology)
20+
Years in Practice
Available
Telehealth
Practice Locations
2 locations
About Dr. Mark Chang
Mark Chang, MD is a healthcare provider practicing in Johnson City, TN.
Specialty Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
39
Years Experience
2
Locations
2
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Cardiovascular Disease (cardiology)Credentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Columbia University College Of Physicians And Surgeons
Class of 1987
Licenses & Practice States
Licensed in 2 states
| State | License | Classification | Primary |
|---|---|---|---|
| Tennessee | 28931 | Internal Medicine | |
| Virginia | 0101059203 | Internal Medicine | — |
| Tennessee | 28931 | Internal Medicine | — |
| Virginia | 0101059203 | Internal Medicine | — |
Public Data Summary for Dr. Mark Chang
With 20 years of practice, Dr. Mark Chang is an established cardiovascular disease (cardiology) provider, MD, after earning their medical degree at Columbia University College Of Physicians And Surgeons in 1987. Dr. currently practices across 2 facilities, including Wellmont Medical Associates Inc in Johnson City, Tennessee. Their National Provider Identifier (NPI) is 1174632475, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Mark Chang as a moderate-volume cardiovascular disease (cardiology) provider, treating approximately 636 Medicare beneficiaries and delivering 1K services in the most recent reporting year. That panel size indicates balanced experience across typical Medicare conditions.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Mark Chang received $478 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$478
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Mark Chang
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0 reviews
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FAQ
Frequently asked questions about Dr. Mark Chang
What does Dr. Mark Chang specialize in?
Dr. Mark Chang specializes in Cardiovascular Disease (cardiology). Secondary taxonomy filings also list Internal Medicine.
Where does Dr. Mark Chang practice?
Dr. Mark Chang practices at Wellmont Medical Associates Inc in Johnson City, Tennessee. Dr. is also affiliated with 1 additional facility, listed below.
Does Dr. Mark Chang accept Medicare?
CMS records show that Dr. Mark Chang accepts Medicare assignment. CMS billing data shows 636 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Mark Chang's NPI number?
Dr. Mark Chang's National Provider Identifier (NPI) is 1174632475. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Mark Chang been practicing?
Dr. Mark Chang has approximately 20 years of practice experience, having graduated from Columbia University College Of Physicians And Surgeons in 1987.