Doctor profile · Federal record
Dr. Michael Brown, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Chicago, IL
- NPI 1265477293
- Accepts Medicare
- 45 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
1725 W Harrison St, Suite 207
Chicago, IL 606123841
(312) 942-5861
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265477293. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
557
Distinct HCPCS
10
Medicare allowed
$75,642
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 127 | 127 | $127 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 88 | 88 | $270 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 70 | 65 | $134 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 61 | 61 | $6 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 49 | 47 | $115 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 39 | $100 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 24 | $96 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $132 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $178 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 12 | $107 |
In context: peer comparison
Among 70 peers in Chicago Gastroenterology Physician, average services per provider: 239. This provider delivers 2.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
747
Patients
253
Total drug cost
$219,987
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 163 | 59 | $3,498 |
| Linzess (Linaclotide) | Brand | 129 | 42 | $99,591 |
| Omeprazole | Generic | 91 | 32 | $1,893 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 57 | 52 | $4,523 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 46 | 46 | $794 |
| Mesalamine | Generic | 42 | 11 | $27,318 |
| Motegrity (Prucalopride Succinate) | Brand | 37 | 0 | $29,864 |
| Esomeprazole Magnesium | Generic | 32 | 11 | $1,799 |
| Ondansetron Hcl | Generic | 24 | 0 | $301 |
| Lubiprostone | Generic | 23 | 0 | $8,856 |
Frequently asked questions
What is Dr. Michael Brown's medical specialty?
Dr. Michael Brown practices Gastroenterology Physician in Chicago, IL.
Where does Dr. Michael Brown practice?
Dr. Michael Brown practices at 1725 W Harrison St, Chicago, IL 606123841. Office phone: 3129425861.
What is Dr. Michael Brown's NPI?
Dr. Michael Brown's National Provider Identifier (NPI) is 1265477293, issued by NPPES.
Does Dr. Michael Brown accept Medicare assignment?
Yes. Dr. Michael Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Brown commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.