Doctor profile · Federal record
Dr. Brian Blumenstein, MD
Gastroenterology Physician (CMS: Gastroenterology) · Oak Lawn, IL
- NPI 1194784645
- Accepts Medicare
- MIPS 85.1 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9921 Southwest Hwy
Oak Lawn, IL 604533767
(708) 425-8616
fax (708) 425-9468
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- January 15, 2009
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036082788
- Medicaid
- IL #036082788
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194784645. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
908
Distinct HCPCS
10
Medicare allowed
$121,695
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 206 | 126 | $82 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 117 | 113 | $137 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 115 | 113 | $113 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 63 | $132 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 62 | 62 | $262 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 59 | 59 | $117 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 50 | 50 | $173 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 48 | 48 | $175 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 37 | $94 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 30 | 30 | $194 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 65. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$104
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 2 | $30.76 | |
| Celgene Corporation | 1 | $29.88 | |
| Madrigal Pharmaceuticals | 1 | $27.07 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $16.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
403
Patients
122
Total drug cost
$43,864
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 100 | 37 | $1,081 |
| Famotidine | Generic | 98 | 44 | $1,753 |
| Pantoprazole Sodium | Generic | 83 | 29 | $2,210 |
| Lansoprazole | Generic | 44 | 12 | $1,448 |
| Sucralfate | Generic | 24 | 0 | $1,891 |
| Mesalamine | Generic | 23 | 0 | $18,791 |
| Linzess (Linaclotide) | Brand | 17 | 0 | $11,791 |
| Budesonide Dr (Budesonide) | Brand | 14 | 0 | $4,899 |
Hospital affiliations
Frequently asked questions
What is Dr. Brian Blumenstein's medical specialty?
Dr. Brian Blumenstein practices Gastroenterology Physician in Oak Lawn, IL.
Where does Dr. Brian Blumenstein practice?
Dr. Brian Blumenstein practices at 9921 Southwest Hwy, Oak Lawn, IL 604533767. Office phone: 7084258616.
What is Dr. Brian Blumenstein's NPI?
Dr. Brian Blumenstein's National Provider Identifier (NPI) is 1194784645, issued by NPPES.
Does Dr. Brian Blumenstein accept Medicare assignment?
Yes. Dr. Brian Blumenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Blumenstein commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.