Total Payments
$58,155
2024 Payments
$2,057
Companies
13
Transactions
68
Medicare Patients
1,152
Medicare Billing
$173,553
Payment Breakdown by Category
Other$50,075 (86.1%)
Food & Beverage$4,836 (8.3%)
Travel$3,093 (5.3%)
Education$150.99 (0.3%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Grant | $50,075 | 2 | 86.1% |
| Food and Beverage | $4,836 | 61 | 8.3% |
| Travel and Lodging | $3,093 | 3 | 5.3% |
| Education | $150.99 | 2 | 0.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Boston Scientific Corporation | $52,003 | 23 | $0 (2024) |
| Ovesco Endoscopy USA, Inc. | $2,370 | 1 | $0 (2023) |
| Cook Medical LLC | $1,068 | 7 | $0 (2024) |
| CONMED Corporation | $723.31 | 16 | $0 (2024) |
| Medtronic, Inc. | $459.89 | 3 | $0 (2024) |
| Olympus America Inc. | $298.99 | 3 | $0 (2024) |
| Endogastric Solutions, Inc | $269.30 | 4 | $0 (2024) |
| ERBE USA Inc | $237.05 | 2 | $0 (2023) |
| STERIS CORPORATION | $216.05 | 3 | $0 (2024) |
| Siemens Medical Solutions USA, Inc. | $175.08 | 2 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $2,057 | 26 | Boston Scientific Corporation ($769.21) |
| 2023 | $3,647 | 17 | Ovesco Endoscopy USA, Inc. ($2,370) |
| 2022 | $1,093 | 13 | Boston Scientific Corporation ($437.58) |
| 2021 | $30.68 | 1 | Ambu Inc. ($30.68) |
| 2020 | $50,101 | 3 | Boston Scientific Corporation ($50,087) |
| 2019 | $201.26 | 2 | Boston Scientific Corporation ($201.26) |
| 2018 | $930.63 | 5 | Cook Medical LLC ($873.64) |
| 2017 | $94.00 | 1 | Janssen Biotech, Inc. ($94.00) |
All Payment Transactions
68 individual payment records from CMS Open Payments — Page 1 of 3
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | Olympus America Inc. | — | Food and Beverage | In-kind items and services | $171.00 | General |
| 11/25/2024 | Boston Scientific Corporation | SpyGlass (Device) | Food and Beverage | In-kind items and services | $34.32 | General |
| Category: SpyGlass_ENDO | ||||||
| 11/14/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $217.20 | General |
| Category: General - Therapies_ENDO | ||||||
| 11/07/2024 | Siemens Medical Solutions USA, Inc. | TrueBeam (Device) | Food and Beverage | In-kind items and services | $19.45 | General |
| Category: Oncology | ||||||
| 10/25/2024 | STERIS CORPORATION | truFreeze (Device) | Food and Beverage | In-kind items and services | $51.35 | General |
| Category: Gastroenterology | ||||||
| 08/23/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $46.60 | General |
| Category: GENERAL SURGERY | ||||||
| 08/19/2024 | Boston Scientific Corporation | EXALT Model D (Device) | Food and Beverage | In-kind items and services | $23.74 | General |
| Category: EXALT Model D_ENDO | ||||||
| 07/30/2024 | Boston Scientific Corporation | Acquire (Device) | Food and Beverage | In-kind items and services | $179.09 | General |
| Category: Acquire_ENDO | ||||||
| 07/30/2024 | Boston Scientific Corporation | Resolution 360 ULTRA Clip (Device) | Food and Beverage | In-kind items and services | $6.00 | General |
| Category: Resolution 360_ENDO | ||||||
| 07/18/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $35.07 | General |
| Category: GENERAL SURGERY | ||||||
| 07/02/2024 | Endogastric Solutions, Inc | ESOPHYX (Device) | Food and Beverage | Cash or cash equivalent | $17.67 | General |
| Category: GERD | ||||||
| 06/27/2024 | Cook Medical LLC | HEMOSPRAY (Device) | Food and Beverage | Cash or cash equivalent | $125.82 | General |
| Category: Endoscopy | ||||||
| 06/21/2024 | Boston Scientific Corporation | SpyGlass (Device) | Food and Beverage | In-kind items and services | $126.85 | General |
| Category: SpyGlass_ENDO | ||||||
| 06/13/2024 | Olympus America Inc. | EVIS X1 VIDEO SYSTEM CENTER (Device) | Food and Beverage | In-kind items and services | $16.56 | General |
| Category: Gastroenterology | ||||||
| 06/06/2024 | Medtronic, Inc. | GI GENIUS (Device) | Food and Beverage | In-kind items and services | $181.74 | General |
| Category: Gastrointestinal AI | ||||||
| 06/06/2024 | Cook Medical LLC | HEMOSPRAY (Device) | Food and Beverage | Cash or cash equivalent | $54.54 | General |
| Category: Endoscopy | ||||||
| 05/16/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $63.46 | General |
| Category: GENERAL SURGERY | ||||||
| 05/08/2024 | Boston Scientific Corporation | EXALT Model D (Device) | Food and Beverage | In-kind items and services | $182.01 | General |
| Category: EXALT_ENDO | ||||||
| 04/29/2024 | Endogastric Solutions, Inc | ESOPHYX (Device) | Food and Beverage | Cash or cash equivalent | $136.32 | General |
| Category: GERD | ||||||
| 04/17/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $13.28 | General |
| Category: GENERAL SURGERY | ||||||
| 04/04/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $23.64 | General |
| Category: GENERAL SURGERY | ||||||
| 03/04/2024 | Siemens Medical Solutions USA, Inc. | TrueBeam (Device) | Food and Beverage | In-kind items and services | $155.63 | General |
| Category: Oncology | ||||||
| 02/26/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $22.64 | General |
| Category: GENERAL SURGERY | ||||||
| 02/21/2024 | CONMED Corporation | CONMED BILIARY (Device), CONMED GENERATORS, CONMED DILATION | Food and Beverage | In-kind items and services | $110.80 | General |
| Category: GENERAL SURGERY | ||||||
| 02/20/2024 | CONMED Corporation | CONMED BILIARY (Device) | Food and Beverage | In-kind items and services | $23.21 | General |
| Category: GENERAL SURGERY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 293 | 345 | $1.0M | $42,801 |
| 2022 | 10 | 325 | 371 | $1.1M | $51,742 |
| 2021 | 16 | 400 | 440 | $551,920 | $61,972 |
| 2020 | 8 | 134 | 135 | $155,175 | $17,038 |
Total Patients
1,152
Total Services
1,291
Medicare Billing
$173,553
Procedure Codes
45
All Medicare Procedures & Services
45 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 43276 | Replacement of stent in pancreatic or bile duct using a flexible endoscope | Facility | 2023 | 11 | 26 | $167,128 | $7,738 | 4.6% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 28 | 32 | $128,294 | $6,043 | 4.7% |
| 43264 | Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Facility | 2023 | 32 | 42 | $272,636 | $5,683 | 2.1% |
| 43237 | Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Facility | 2023 | 32 | 33 | $90,024 | $4,909 | 5.5% |
| 43238 | Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Facility | 2023 | 28 | 29 | $93,361 | $4,851 | 5.2% |
| 43273 | Exam of common bile and/or pancreatic duct using a flexible endoscope | Facility | 2023 | 35 | 45 | $32,985 | $4,596 | 13.9% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 19 | 20 | $20,210 | $2,873 | 14.2% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 25 | 25 | $21,025 | $2,796 | 13.3% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 45 | 47 | $122,081 | $2,304 | 1.9% |
| 74328 | Review by radiologist of image from tube placement into bile duct using an endoscope | Facility | 2023 | 27 | 35 | $13,440 | $674.80 | 5.0% |
| 43262 | Incision of pancreatic outlet using a flexible endoscope | Facility | 2023 | 11 | 11 | $64,890 | $332.09 | 0.5% |
| 43274 | Insertion of stent into pancreatic or bile duct using a flexible endoscope | Facility | 2022 | 20 | 28 | $161,093 | $9,100 | 5.6% |
| 43238 | Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Facility | 2022 | 48 | 49 | $156,752 | $8,621 | 5.5% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 35 | 38 | $36,865 | $6,423 | 17.4% |
| 43276 | Replacement of stent in pancreatic or bile duct using a flexible endoscope | Facility | 2022 | 13 | 16 | $100,717 | $6,163 | 6.1% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 28 | 29 | $120,337 | $5,730 | 4.8% |
| 43273 | Exam of common bile and/or pancreatic duct using a flexible endoscope | Facility | 2022 | 34 | 45 | $32,607 | $4,719 | 14.5% |
| 43237 | Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Facility | 2022 | 30 | 30 | $83,430 | $4,532 | 5.4% |
| 43264 | Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Facility | 2022 | 33 | 42 | $267,480 | $3,971 | 1.5% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 54 | 56 | $146,944 | $1,736 | 1.2% |
| 74328 | Review by radiologist of image from tube placement into bile duct using an endoscope | Facility | 2022 | 30 | 38 | $13,702 | $746.46 | 5.4% |
| 45385 | Removal of polyps or growths in large bowel using an endoscope (colonoscopy) using a mechanical snare | Facility | 2021 | 58 | 65 | $107,250 | $12,426 | 11.6% |
| 43274 | Insertion of stent into pancreatic or bile duct using a flexible endoscope via mouth | Facility | 2021 | 29 | 36 | $63,468 | $11,272 | 17.8% |
| 43276 | Replacement of stent in pancreatic or bile duct using a flexible endoscope via mouth | Facility | 2021 | 16 | 21 | $38,136 | $7,055 | 18.5% |
| 43242 | Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using an endoscope | Facility | 2021 | 23 | 26 | $39,156 | $4,443 | 11.3% |
About Dr. Dennis Chen, MD
Dr. Dennis Chen, MD is a Gastroenterology healthcare provider based in Chicago, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/18/2012. The National Provider Identifier (NPI) number assigned to this provider is 1467715235.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Dennis Chen, MD has received a total of $58,155 in payments from pharmaceutical and medical device companies, with $2,057 received in 2024. These payments were reported across 68 transactions from 13 companies. The most common payment nature is "Grant" ($50,075).
As a Medicare-enrolled provider, Chen has provided services to 1,152 Medicare beneficiaries, totaling 1,291 services with total Medicare billing of $173,553. Data is available for 4 years (2020–2023), covering 45 distinct procedure/service records.
Ad
Practice Information
- Specialty Gastroenterology
- Location Chicago, IL
- Active Since 06/18/2012
- Last Updated 01/25/2022
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1467715235
Products in Payments
- GENERAL - BILIARY DEVICES (Device) $50,087
- EXALT Model D (Device) $717.62
- CONMED BILIARY (Device) $429.21
- GI GENIUS (Device) $319.94
- ESOPHYX (Device) $269.30
- truFreeze (Device) $216.05
- CONMED GENERATORS (Device) $205.72
- SPYGLASS (Device) $201.26
- HEMOSPRAY (Device) $180.36
- Acquire (Device) $179.09
- Resolution Clip (Device) $177.81
- TrueBeam (Device) $175.08
- SpyGlass (Device) $161.17
- ERBE (Device) $159.30
- SPEEDBOAT (Device) $152.34
- REMICADE (Biological) $150.99
- ENDOFLIP (Device) $139.95
- VISIGLIDE (Device) $111.43
- Agile Esophageal (Device) $110.99
- CONMED HEMOSTASIS (Device) $88.38
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.
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