Doctor profile · Federal record
Dr. Mark Chang, MD
Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Interventional Cardiology Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Johnson City, TN
- NPI 1174632475
- Accepts Medicare
- 39 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2428 Knob Creek Road
Johnson City, TN 37604
(423) 282-5054
fax (423) 230-5097 - Mailing address
-
105 W Stone Dr, Suite 6A
Kingsport, TN 376603365
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 3, 2014
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RI0011X — NUCC code
- State licenses (2)
- Tennessee #28931 · Virginia #0101059203
- Medicaid (4)
- NC #790596V · NC #89014AT · TN #3373123 · KY #64001084
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174632475. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,045
Distinct HCPCS
10
Medicare allowed
$55,888
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 332 | 248 | $8 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 240 | 223 | $13 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 205 | 170 | $119 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 73 | $84 | |
93458 |
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 34 | 33 | $234 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $147 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 20 | $75 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 25 | 24 | $12 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 23 | $123 | |
93244 |
Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 18 | 18 | $22 |
In context: peer comparison
Among 4 peers in Johnson City Interventional Cardiology Physician, average services per provider: 81. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$395
Transactions
22
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 9 | $152.83 | |
| Novartis Pharmaceuticals Corporation | 5 | $108.09 | |
| Atricure, INC. | 1 | $48.82 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 4 | $41.77 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $15.77 | |
| Merck Sharp & Dohme LLC | 1 | $14.54 | |
| Amgen INC. | 1 | $13.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,513
Patients
765
Total drug cost
$437,884
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 355 | 77 | $320,398 |
| Metoprolol Tartrate | Generic | 262 | 76 | $1,891 |
| Metoprolol Succinate | Generic | 255 | 84 | $4,782 |
| Atorvastatin Calcium | Generic | 192 | 59 | $2,475 |
| Amlodipine Besylate | Generic | 182 | 61 | $1,221 |
| Losartan Potassium | Generic | 150 | 49 | $2,034 |
| Lisinopril | Generic | 137 | 45 | $779 |
| Rosuvastatin Calcium | Generic | 136 | 49 | $2,748 |
| Furosemide | Generic | 134 | 44 | $952 |
| Carvedilol | Generic | 132 | 43 | $1,610 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Chang's medical specialty?
Dr. Mark Chang practices Interventional Cardiology Physician in Johnson City, TN.
Where does Dr. Mark Chang practice?
Dr. Mark Chang practices at 2428 Knob Creek Road, Johnson City, TN 37604. Office phone: 4232825054.
What is Dr. Mark Chang's NPI?
Dr. Mark Chang's National Provider Identifier (NPI) is 1174632475, issued by NPPES.
Does Dr. Mark Chang accept Medicare assignment?
Yes. Dr. Mark Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Chang commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.