Doctor profile · Federal record
Dr. Brian Liem, D.O.
Internal Medicine Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Maywood, IL
- NPI 1871892232
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2160 S 1St Ave
Maywood, IL 601533328
(708) 216-9230
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- April 19, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036143026
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871892232. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
482
Distinct HCPCS
7
Medicare allowed
$61,605
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 131 | 125 | $134 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 121 | 87 | $81 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 67 | 67 | $171 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 52 | 46 | $96 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $102 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 29 | $132 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 36 | 35 | $251 |
In context: peer comparison
Among 34 peers in this city , average services per provider: 126. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$306
Transactions
14
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 3 | $75.85 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $53.01 | |
| QOL Medical, LLC | 2 | $50.05 | |
| Janssen Biotech, Inc. | 2 | $38.21 | |
| IRONWOOD PHARMACEUTICALS, INC | 1 | $18.42 | |
| VIVUS LLC | 1 | $18.30 | |
| Phathom Pharmaceuticals, Inc. | 1 | $17.75 | |
| PFIZER INC. | 1 | $17.66 | |
| Intercept Pharmaceuticals, Inc. | 1 | $16.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
234
Patients
181
Total drug cost
$5,675
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 60 | 31 | $1,192 |
| Pantoprazole Sodium | Generic | 52 | 31 | $1,211 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 49 | 48 | $816 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 48 | 46 | $1,246 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 13 | 13 | $301 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 12 | 12 | $909 |
Hospital affiliations
Frequently asked questions
What is Dr. Brian Liem's medical specialty?
Dr. Brian Liem practices Internal Medicine Physician in Maywood, IL.
Where does Dr. Brian Liem practice?
Dr. Brian Liem practices at 2160 S 1St Ave, Maywood, IL 601533328. Office phone: 7082169230.
What is Dr. Brian Liem's NPI?
Dr. Brian Liem's National Provider Identifier (NPI) is 1871892232, issued by NPPES.
Does Dr. Brian Liem accept Medicare assignment?
Yes. Dr. Brian Liem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Liem commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.