Dr. Robert Carroll
Gastroenterology (Gastroenterology Physician)
1740 W Taylor St
Chicago, IL 60612
Who else practices at this address →
Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 42
- In the NPI registry since
- 2006
- Medicare patients seen, 2024
- 40
Licensed in Illinois since 1989, according to the Illinois Department of Financial and Professional Regulation. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Gastroenterology Physician primary
IL license 036079149 (first issued 1989; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- University of Illinois Hospital and Clinics Chicago, IL
Medical groups
- The Board of Trustees of the University of Illinois (1,150 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 40
- Services billed
- 96
- Patients’ average age
- 65
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 91 | 48 |
| Established patient office or other outpatient visit, 30-39 minutes | 37 | 27 |
| New patient office or other outpatient visit, 30-44 minutes | 22 | 22 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 21 | 21 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 15 | 15 |
| Biopsy of large bowel using a flexible endoscope | 12 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Gattex (teduglutide) | 87 |
| Omeprazole Other prescribers in Chicago, IL | 37 |
| Sodium Chloride (0.9 % sodium chloride) Other prescribers in Chicago, IL | 36 |
| Loperamide (loperamide hcl) Other prescribers in Chicago, IL | 21 |
| Famotidine Other prescribers in Chicago, IL | 13 |
| Linzess (linaclotide) Other prescribers in Chicago, IL | 12 |
| Ondansetron Hcl Other prescribers in Chicago, IL | 11 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 5 payments worth $366 in total to this clinician.
| Takeda Pharmaceuticals U.S.A., Inc. | $199 |
|---|---|
| Ironwood Pharmaceuticals, Inc | $167 |
| Food and Beverage | $366 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $32,045 in research payments for these studies, mostly to the institutions running them.
- Registry for Participants With Short Bowel Syndrome
Takeda Pharmaceuticals U.S.A., Inc. · Active, not recruiting · NCT01990040
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.