Doctor profile · Federal record
Dr. Dennis Chen, MD
Gastroenterology Physician (CMS: Gastroenterology) · Chicago, IL
- NPI 1467715235
- Accepts Medicare
- MIPS 87.7 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5841 S Maryland Ave # Mc4076
Chicago, IL 606371443
(773) 834-4508 - Mailing address
-
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- January 25, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036.149488
- Medicaid
- MO #200086830
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467715235. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
345
Distinct HCPCS
10
Medicare allowed
$54,015
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 45 | $68 | |
43273 |
Exam of common bile and/or pancreatic duct using a flexible endoscope | 45 | 35 | $128 | |
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 42 | 32 | $169 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 35 | 27 | $24 | |
43237 |
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | 33 | 32 | $188 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 32 | 28 | $228 | |
43238 |
Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | 29 | 28 | $224 | |
43276 |
Replacement of stent in pancreatic or bile duct using a flexible endoscope | 26 | 11 | $372 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $140 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 19 | $179 |
In context: peer comparison
Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$2,057
Transactions
26
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 7 | $769.21 | |
| Conmed Corporation | 9 | $358.12 | |
| Olympus America INC. | 2 | $187.56 | |
| Medtronic, INC. | 1 | $181.74 | |
| Cook Medical LLC | 2 | $180.36 | |
| Siemens Medical Solutions USA, INC. | 2 | $175.08 | |
| Endogastric Solutions, INC | 2 | $153.99 | |
| Steris Corporation | 1 | $51.35 |
By nature of payment
Frequently asked questions
What is Dr. Dennis Chen's medical specialty?
Dr. Dennis Chen practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Dennis Chen practice?
Dr. Dennis Chen practices at 5841 S Maryland Ave # Mc4076, Chicago, IL 606371443. Office phone: 7738344508.
What is Dr. Dennis Chen's NPI?
Dr. Dennis Chen's National Provider Identifier (NPI) is 1467715235, issued by NPPES.
Does Dr. Dennis Chen accept Medicare assignment?
Yes. Dr. Dennis Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Chen commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Exam of common bile and/or pancreatic duct using a flexible endoscope (HCPCS 43273); Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (HCPCS 43264). Source: CMS Medicare Physician & Other Practitioners file.