Mark Chang, MD
Cardiology · Johnson City, TN
Mark Chang, MD is a cardiology in Johnson City, TN with about 39 yrs in practice.
- SpecialtyCardiology
- Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS (1987)
- TelehealthOffers telehealth visits
- Practice size136 clinicians
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~411 patients across 788 services, avg age 77
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 187 | $13 | See prices → |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 142 | $8 | See prices → |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 136 | $119 | See prices → |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 38 | $84 | See prices → |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 22 | $224 | See prices → |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 22 | $155 | See prices → |
Hospital affiliations
Franklin Woods Community HospitalGreeneville Community HospitalJohnson City Medical CenterSycamore Shoals HospitalWellmont Holston Valley Medical Center
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.