Total Payments
$13,735
2024 Payments
$1,235
Companies
33
Transactions
324
Medicare Patients
7,429
Medicare Billing
$685,504
Payment Breakdown by Category
Food & Beverage$11,031 (80.3%)
Travel$2,704 (19.7%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $11,031 | 312 | 80.3% |
| Travel and Lodging | $2,704 | 12 | 19.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Abbott Laboratories | $3,077 | 37 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $3,012 | 101 | $0 (2024) |
| Boston Scientific Corporation | $2,496 | 41 | $0 (2024) |
| ABIOMED | $715.25 | 16 | $0 (2023) |
| Amgen Inc. | $661.98 | 18 | $0 (2024) |
| BIOTRONIK INC. | $500.58 | 5 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $361.82 | 8 | $0 (2024) |
| Cardiovascular Systems Inc. | $341.18 | 6 | $0 (2018) |
| Medtronic Vascular, Inc. | $334.17 | 8 | $0 (2018) |
| Inari Medical, Inc. | $311.98 | 17 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,235 | 54 | Boston Scientific Corporation ($218.84) |
| 2023 | $2,595 | 61 | Abbott Laboratories ($1,508) |
| 2022 | $1,781 | 44 | BIOTRONIK INC. ($486.46) |
| 2021 | $2,218 | 49 | Abbott Laboratories ($772.72) |
| 2020 | $896.97 | 25 | Abbott Laboratories ($433.93) |
| 2019 | $1,141 | 33 | Janssen Pharmaceuticals, Inc ($704.14) |
| 2018 | $3,225 | 41 | Boston Scientific Corporation ($1,587) |
| 2017 | $643.22 | 17 | Medtronic Vascular, Inc. ($227.73) |
All Payment Transactions
324 individual payment records from CMS Open Payments — Page 1 of 13
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/12/2024 | Novartis Pharmaceuticals Corporation | ENTRESTO (Drug), LEQVIO | Food and Beverage | In-kind items and services | $27.16 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 12/05/2024 | SCPHARMACEUTICALS INC. | FUROSCIX (Drug) | Food and Beverage | In-kind items and services | $15.47 | General |
| Category: Cardiology | ||||||
| 11/22/2024 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $24.54 | General |
| Category: Cardiology | ||||||
| 11/19/2024 | Boston Scientific Corporation | MAMBA (Device) | Food and Beverage | In-kind items and services | $44.47 | General |
| Category: MAMBA_IC | ||||||
| 11/07/2024 | Boston Scientific Corporation | WATCHMAN (Device) | Food and Beverage | In-kind items and services | $33.16 | General |
| Category: WATCHMAN Pro_IC | ||||||
| 10/30/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $24.78 | General |
| Category: VTE | ||||||
| 10/18/2024 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $25.80 | General |
| Category: Cardiology | ||||||
| 10/17/2024 | HEARTFLOW, INC. | FFRct (Device) | Food and Beverage | Cash or cash equivalent | $17.68 | General |
| Category: Coronary | ||||||
| 09/27/2024 | Boston Scientific Corporation | WATCHMAN Access System (Device) | Food and Beverage | In-kind items and services | $36.48 | General |
| Category: WATCHMAN_IC | ||||||
| 09/13/2024 | Novo Nordisk Inc | Wegovy (Drug) | Food and Beverage | In-kind items and services | $25.55 | General |
| Category: Obesity | ||||||
| 09/11/2024 | Siemens Medical Solutions USA, Inc. | — | Food and Beverage | In-kind items and services | $145.71 | General |
| 09/09/2024 | Boston Scientific Corporation | AVVIGO Guidance System (Device) | Food and Beverage | In-kind items and services | $15.58 | General |
| Category: AVVIGO_IC | ||||||
| 09/06/2024 | ShockWave Medical, Inc | Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter (Device) | Food and Beverage | In-kind items and services | $50.68 | General |
| Category: Lithoplasty | ||||||
| 08/28/2024 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $14.10 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 08/28/2024 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $4.12 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 08/27/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $8.92 | General |
| Category: VTE | ||||||
| 08/22/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $27.59 | General |
| Category: DIABETES | ||||||
| 08/17/2024 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $21.49 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 08/09/2024 | Novo Nordisk Inc | — | Food and Beverage | In-kind items and services | $25.00 | General |
| 07/30/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $4.42 | General |
| Category: VTE | ||||||
| 07/24/2024 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $24.93 | General |
| Category: Cardiology | ||||||
| 07/10/2024 | Boston Scientific Corporation | ELUVIA (Device) | Food and Beverage | In-kind items and services | $27.77 | General |
| Category: ELUVIA_PI | ||||||
| 07/05/2024 | Siemens Medical Solutions USA, Inc. | — | Food and Beverage | In-kind items and services | $25.97 | General |
| 06/24/2024 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $5.55 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 06/14/2024 | Inari Medical, Inc. | FLOWTRIEVER CATHETER, S (Device), CT THROMBECTOMY SYSTEM KIT | Food and Beverage | In-kind items and services | $24.00 | General |
| Category: VTE | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 23 | 2,098 | 2,612 | $757,079 | $199,075 |
| 2022 | 21 | 1,745 | 2,164 | $533,822 | $160,089 |
| 2021 | 24 | 1,802 | 2,084 | $637,154 | $187,014 |
| 2020 | 22 | 1,784 | 2,137 | $466,893 | $139,326 |
Total Patients
7,429
Total Services
8,997
Medicare Billing
$685,504
Procedure Codes
95
All Medicare Procedures & Services
95 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 332 | 634 | $232,044 | $83,934 | 36.2% |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Facility | 2023 | 358 | 364 | $93,184 | $18,011 | 19.3% |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Office | 2023 | 99 | 100 | $84,100 | $15,950 | 19.0% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 103 | 108 | $47,196 | $14,711 | 31.2% |
| 93880 | Ultrasound of both sides of head and neck blood flow | Office | 2023 | 93 | 93 | $67,332 | $14,427 | 21.4% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 79 | 108 | $26,784 | $9,703 | 36.2% |
| 93458 | Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Facility | 2023 | 33 | 34 | $40,698 | $7,488 | 18.4% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 20 | 34 | $23,052 | $5,655 | 24.5% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 30 | 30 | $13,950 | $5,451 | 39.1% |
| 93925 | Ultrasound of leg arteries or artery grafts | Office | 2023 | 20 | 21 | $18,858 | $3,835 | 20.3% |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Facility | 2023 | 467 | 598 | $18,538 | $3,631 | 19.6% |
| 93460 | Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | Facility | 2023 | 11 | 11 | $16,478 | $3,103 | 18.8% |
| 78452 | Nuclear medicine studies of heart muscle at rest and with stress and spect | Facility | 2023 | 55 | 55 | $19,250 | $2,988 | 15.5% |
| 76706 | Ultrasound scan of abdominal aorta | Office | 2023 | 21 | 21 | $5,649 | $2,354 | 41.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 20 | 20 | $5,180 | $1,888 | 36.4% |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Office | 2023 | 11 | 12 | $9,048 | $1,607 | 17.8% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 93 | 102 | $8,364 | $1,159 | 13.9% |
| 93016 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Facility | 2023 | 61 | 61 | $4,941 | $952.42 | 19.3% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 59 | 71 | $11,573 | $730.91 | 6.3% |
| 93308 | Ultrasound of heart, follow-up | Facility | 2023 | 33 | 34 | $5,440 | $640.27 | 11.8% |
| 93018 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Facility | 2023 | 61 | 61 | $3,294 | $632.45 | 19.2% |
| 93356 | Heart muscle strain imaging | Facility | 2023 | 16 | 17 | $1,462 | $142.20 | 9.7% |
| 93321 | Ultrasound of heart blood flow, valves and chambers, follow-up | Facility | 2023 | 12 | 12 | $312.00 | $57.91 | 18.6% |
| 93325 | Ultrasound of heart with color-depicted blood flow, rate and valve function | Facility | 2023 | 11 | 11 | $352.00 | $22.90 | 6.5% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 329 | 605 | $201,094 | $82,423 | 41.0% |
About Dr. Karthik Challa, M.D
Dr. Karthik Challa, M.D is a Cardiovascular Disease healthcare provider based in Elgin, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/08/2010. The National Provider Identifier (NPI) number assigned to this provider is 1619293131.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Karthik Challa, M.D has received a total of $13,735 in payments from pharmaceutical and medical device companies, with $1,235 received in 2024. These payments were reported across 324 transactions from 33 companies. The most common payment nature is "Food and Beverage" ($11,031).
As a Medicare-enrolled provider, Challa has provided services to 7,429 Medicare beneficiaries, totaling 8,997 services with total Medicare billing of $685,504. Data is available for 4 years (2020–2023), covering 95 distinct procedure/service records.
Ad
Practice Information
- Specialty Cardiovascular Disease
- Other Specialties Interventional Cardiology
- Location Elgin, IL
- Active Since 04/08/2010
- Last Updated 10/03/2025
- Taxonomy Code 207RC0000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1619293131
Products in Payments
- XARELTO (Drug) $2,981
- GENERAL VASCULAR ACCESS (Device) $1,324
- ACCULINK (Device) $1,081
- Impella (Device) $715.25
- Repatha (Biological) $435.47
- Mitra Clip system (Device) $419.22
- MitraClip System (Device) $386.17
- JARDIANCE (Drug) $336.00
- FLOWTRIEVER CATHETER, S (Device) $306.42
- Rivacor 7 DR-T (Device) $274.61
- CARDIOMEMS (Device) $265.33
- Resolute (Device) $257.96
- Corlanor (Drug) $226.51
- Orsiro Mission (Device) $225.97
- SYNERGY (Device) $223.92
- Emboshield NAV6 system (Device) $207.39
- WATCHMAN Access System (Device) $189.96
- MITRACLIP (Device) $181.91
- Peripheral Orbital Atherectomy System (Device) $180.13
- XACT (Device) $163.72
Explore
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.
Cardiovascular Disease Doctors in Elgin
Dr. Azmey Matarieh, M.d, M.D
Cardiovascular Disease — Payments: $952,241
Cardiovascular Disease $952,241
Dr. Raminder Singh, M.d, M.D
Cardiovascular Disease — Payments: $48,374
Cardiovascular Disease $48,374
Dr. Cameron Haery, M.d, M.D
Cardiovascular Disease — Payments: $19,696
Cardiovascular Disease $19,696
Chad Morreale, D.o, D.O
Cardiovascular Disease — Payments: $8,725
Cardiovascular Disease $8,725
Dr. Syed Hasan, Md, MD
Cardiovascular Disease — Payments: $5,406
Cardiovascular Disease $5,406
Dr. Solomon Secemsky, Md, MD
Cardiovascular Disease — Payments: $1,671
Cardiovascular Disease $1,671