Doctor profile · Federal record
Dr. Thomas O'Connor, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Bourbonnais, IL
- NPI 1760470033
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1615 N Convent St
Bourbonnais, IL 609141092
(815) 937-5200
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 28, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036097972
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1760470033. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,985
Distinct HCPCS
10
Medicare allowed
$222,410
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 500 | 442 | $88 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 288 | 273 | $79 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 252 | 250 | $110 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 197 | 196 | $249 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 147 | 141 | $123 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 133 | 82 | $50 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 104 | 102 | $129 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 93 | 93 | $108 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 62 | 61 | $55 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 42 | 36 | $132 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 85. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$2,292
Transactions
137
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 38 | $661.60 | |
| AIMMUNE THERAPEUTICS, INC. | 35 | $468.12 | |
| Janssen Biotech, Inc. | 25 | $352.65 | |
| GENZYME CORPORATION | 6 | $163.07 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 8 | $162.04 | |
| QOL Medical, LLC | 6 | $113.47 | |
| PFIZER INC. | 6 | $103.52 | |
| Lilly USA, LLC | 4 | $80.51 | |
| CapsoVision, Inc. | 2 | $62.91 | |
| Gilead Sciences, Inc. | 2 | $39.17 | |
| Ardelyx, Inc. | 2 | $35.87 | |
| Phathom Pharmaceuticals, Inc. | 1 | $20.99 | |
| Echosens North America, Inc. | 1 | $14.54 | |
| Celgene Corporation | 1 | $13.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,518
Patients
670
Total drug cost
$179,154
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 596 | 230 | $11,652 |
| Omeprazole | Generic | 183 | 85 | $3,643 |
| Famotidine | Generic | 157 | 57 | $3,725 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 120 | 118 | $10,456 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 90 | 84 | $1,570 |
| Sucralfate | Generic | 81 | 32 | $4,346 |
| Mesalamine Er (Mesalamine) | Brand | 58 | 12 | $18,412 |
| Esomeprazole Magnesium | Generic | 53 | 19 | $5,629 |
| Mesalamine | Generic | 35 | 0 | $21,221 |
| Balsalazide Disodium | Generic | 32 | 11 | $3,578 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas O'Connor's medical specialty?
Dr. Thomas O'Connor practices Gastroenterology Physician in Bourbonnais, IL.
Where does Dr. Thomas O'Connor practice?
Dr. Thomas O'Connor practices at 1615 N Convent St, Bourbonnais, IL 609141092. Office phone: 8159375200.
What is Dr. Thomas O'Connor's NPI?
Dr. Thomas O'Connor's National Provider Identifier (NPI) is 1760470033, issued by NPPES.
Does Dr. Thomas O'Connor accept Medicare assignment?
Yes. Dr. Thomas O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.