Total Payments
$7,601
2024 Payments
$395.44
Companies
34
Transactions
315
Medicare Patients
3,387
Medicare Billing
$210,134
Payment Breakdown by Category
Food & Beverage$5,056 (66.5%)
Consulting$2,527 (33.2%)
Education$18.34 (0.2%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $5,056 | 312 | 66.5% |
| Consulting Fee | $2,527 | 2 | 33.2% |
| Education | $18.34 | 1 | 0.2% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GE HEALTHCARE | $2,527 | 2 | $0 (2020) |
| Novartis Pharmaceuticals Corporation | $1,107 | 69 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $615.70 | 44 | $0 (2023) |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $565.74 | 33 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $322.54 | 22 | $0 (2021) |
| PFIZER INC. | $317.74 | 24 | $0 (2023) |
| Amgen Inc. | $314.72 | 25 | $0 (2024) |
| Abbott Laboratories | $314.18 | 13 | $0 (2024) |
| SANOFI-AVENTIS U.S. LLC | $212.42 | 14 | $0 (2018) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $206.66 | 14 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $395.44 | 22 | Abbott Laboratories ($152.83) |
| 2023 | $477.69 | 23 | Novartis Pharmaceuticals Corporation ($221.29) |
| 2022 | $257.70 | 14 | Novartis Pharmaceuticals Corporation ($67.10) |
| 2021 | $356.50 | 19 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) ($91.54) |
| 2020 | $2,719 | 16 | GE HEALTHCARE ($2,527) |
| 2019 | $890.00 | 63 | Novartis Pharmaceuticals Corporation ($266.94) |
| 2018 | $1,220 | 68 | AstraZeneca Pharmaceuticals LP ($193.38) |
| 2017 | $1,284 | 90 | Novartis Pharmaceuticals Corporation ($314.89) |
All Payment Transactions
315 individual payment records from CMS Open Payments — Page 1 of 13
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/24/2024 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $9.13 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 12/19/2024 | E.R. Squibb & Sons, L.L.C. | CAMZYOS (Drug) | Food and Beverage | Cash or cash equivalent | $15.77 | General |
| Category: Cardiovascular | ||||||
| 12/13/2024 | Abbott Laboratories | ASSURITY (Device) | Food and Beverage | In-kind items and services | $15.05 | General |
| Category: Cardiac Rhythm Management | ||||||
| 12/04/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $20.29 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/21/2024 | Merck Sharp & Dohme LLC | VERQUVO (Drug), VERQUVO | Food and Beverage | In-kind items and services | $14.54 | General |
| Category: CARDIOVASCULAR | ||||||
| 11/06/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $20.83 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/04/2024 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $13.62 | General |
| Category: Cardiology | ||||||
| 10/17/2024 | Abbott Laboratories | XIENCE SKYPOINT (Device) | Food and Beverage | In-kind items and services | $21.35 | General |
| Category: Vascular | ||||||
| 10/11/2024 | Abbott Laboratories | JOT DX (Device) | Food and Beverage | In-kind items and services | $17.52 | General |
| Category: Cardiac Rhythm Management | ||||||
| 10/08/2024 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $5.27 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 10/02/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $25.22 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 10/02/2024 | Abbott Laboratories | ULTREON (Device) | Food and Beverage | In-kind items and services | $12.10 | General |
| Category: Vascular | ||||||
| 09/30/2024 | Abbott Laboratories | XIENCE SKYPOINT (Device) | Food and Beverage | In-kind items and services | $20.50 | General |
| Category: Vascular | ||||||
| 09/26/2024 | Abbott Laboratories | AVEIR (Device) | Food and Beverage | In-kind items and services | $19.21 | General |
| Category: Cardiac Rhythm Management | ||||||
| 09/05/2024 | ATRICURE, INC. | EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) | Food and Beverage | In-kind items and services | $48.82 | General |
| Category: CARDIOVASCULAR | ||||||
| 08/09/2024 | Abbott Laboratories | XIENCE SKYPOINT (Device) | Food and Beverage | In-kind items and services | $21.56 | General |
| Category: Vascular | ||||||
| 07/24/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $20.80 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 07/11/2024 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $7.70 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 06/06/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $20.95 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 05/30/2024 | Abbott Laboratories | XIENCE SKYPOINT (Device) | Food and Beverage | In-kind items and services | $23.02 | General |
| Category: Vascular | ||||||
| 01/18/2024 | Abbott Laboratories | XIENCE SKYPOINT (Device) | Food and Beverage | In-kind items and services | $2.52 | General |
| Category: Vascular | ||||||
| 01/03/2024 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $19.67 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 12/06/2023 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $14.14 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 10/31/2023 | ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | LifeVest (Device) | Food and Beverage | Cash or cash equivalent | $22.25 | General |
| Category: Electromedical and Electrotherapeutic Apparatus | ||||||
| 10/26/2023 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $18.55 | General |
| Category: Cardiology/Vascular Diseases | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 13 | 897 | 1,045 | $133,042 | $41,717 |
| 2022 | 12 | 1,006 | 1,129 | $177,359 | $57,947 |
| 2021 | 14 | 794 | 875 | $183,962 | $64,430 |
| 2020 | 13 | 690 | 749 | $138,424 | $46,040 |
Total Patients
3,387
Total Services
3,798
Medicare Billing
$210,134
Procedure Codes
52
All Medicare Procedures & Services
52 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 170 | 205 | $56,385 | $17,777 | 31.5% |
| 93458 | Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Facility | 2023 | 33 | 34 | $21,256 | $6,355 | 29.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 73 | 75 | $14,475 | $4,570 | 31.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 27 | 27 | $9,666 | $2,911 | 30.1% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 223 | 240 | $7,200 | $2,364 | 32.8% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 23 | 24 | $6,978 | $2,265 | 32.5% |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Facility | 2023 | 248 | 332 | $6,219 | $2,024 | 32.5% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 20 | 27 | $4,412 | $1,600 | 36.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 12 | 12 | $2,870 | $888.03 | 30.9% |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | Office | 2023 | 13 | 13 | $1,564 | $317.28 | 20.3% |
| 93244 | Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Office | 2023 | 18 | 18 | $964.00 | $312.36 | 32.4% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 24 | 25 | $688.00 | $230.75 | 33.5% |
| 93242 | Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | Office | 2023 | 13 | 13 | $365.00 | $102.84 | 28.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 180 | 218 | $58,006 | $19,258 | 33.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 161 | 167 | $31,331 | $9,515 | 30.4% |
| 93458 | Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Facility | 2022 | 41 | 41 | $24,338 | $7,566 | 31.1% |
| 92928 | Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Facility | 2022 | 13 | 14 | $16,406 | $5,544 | 33.8% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 44 | 44 | $15,240 | $4,940 | 32.4% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 31 | 31 | $8,603 | $3,218 | 37.4% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2022 | 285 | 312 | $9,192 | $2,832 | 30.8% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 37 | 43 | $6,333 | $2,300 | 36.3% |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Facility | 2022 | 169 | 213 | $3,760 | $1,326 | 35.3% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 11 | 11 | $2,318 | $809.74 | 34.9% |
| 99231 | Follow-up hospital inpatient care per day, typically 15 minutes | Facility | 2022 | 16 | 17 | $1,366 | $474.26 | 34.7% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2022 | 18 | 18 | $466.00 | $164.44 | 35.3% |
About Dr. Mark Chang, MD
Dr. Mark Chang, MD is a Interventional Cardiology healthcare provider based in Johnson City, Tennessee. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/30/2006. The National Provider Identifier (NPI) number assigned to this provider is 1174632475.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Mark Chang, MD has received a total of $7,601 in payments from pharmaceutical and medical device companies, with $395.44 received in 2024. These payments were reported across 315 transactions from 34 companies. The most common payment nature is "Food and Beverage" ($5,056).
As a Medicare-enrolled provider, Chang has provided services to 3,387 Medicare beneficiaries, totaling 3,798 services with total Medicare billing of $210,134. Data is available for 4 years (2020–2023), covering 52 distinct procedure/service records.
Ad
Practice Information
- Specialty Interventional Cardiology
- Other Specialties Interventional Cardiology, Cardiovascular Disease
- Location Johnson City, TN
- Active Since 08/30/2006
- Last Updated 12/03/2014
- Taxonomy Code 207RI0011X
- Entity Type Individual
- NPI Number 1174632475
Products in Payments
- VIZAMYL (Drug) $2,527
- ENTRESTO (Drug) $760.51
- LifeVest (Device) $565.74
- BRILINTA (Drug) $493.73
- LEQVIO (Drug) $346.13
- XARELTO (Drug) $322.54
- Corlanor (Drug) $289.48
- ELIQUIS (Drug) $257.06
- JARDIANCE (Drug) $130.88
- FARXIGA (Drug) $121.97
- IGT Devices _ Undivided (Device) $120.35
- Mitra Clip system (Device) $112.72
- XIENCE SKYPOINT (Device) $112.61
- PRALUENT (Drug) $111.16
- MULTAQ (Drug) $101.26
- EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX (Device) $97.79
- CHANTIX (Drug) $86.36
- PRALUENT ALIROCUMAB INJECTION (Biological) $79.55
- PRADAXA (Drug) $75.78
- Impella (Device) $73.11
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.