Doctor profile · Federal record
Dr. Olufemi Kassim, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Maywood, IL
- NPI 1174961999
- Accepts Medicare
- 13 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
2160 S 1St Ave
Maywood, IL 601533328
(708) 216-9000 - Additional location
-
4445 W Irving Park RD Ste 200
Chicago, IL 606412808
(312) 695-5620
fax (312) 921-0403 - Additional location
-
5841 S Maryland Ave, Mc 7082
Chicago, IL 606371447
(773) 702-6840 - Additional location
-
830 Harrison Ave
Boston, MA 02118
(617) 638-6525
Show 1 more location
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- February 1, 2024
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (3)
- Illinois #036140239 · Illinois #125063118 · Massachusetts #280737
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174961999. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
375
Distinct HCPCS
9
Medicare allowed
$54,049
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 103 | 102 | $269 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 88 | 88 | $66 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 57 | 55 | $99 | |
45381 |
Injection beneath lining of large bowel using a flexible endoscope | 35 | 35 | $27 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 33 | 33 | $108 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $187 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $182 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $128 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 11 | 11 | $197 |
In context: peer comparison
Among 9 peers in Maywood Gastroenterology Physician, average services per provider: 43. This provider delivers 8.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
222
Patients
136
Total drug cost
$15,737
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 82 | 79 | $1,365 |
| Omeprazole | Generic | 54 | 30 | $772 |
| Pantoprazole Sodium | Generic | 32 | 15 | $1,058 |
| Famotidine | Generic | 28 | 0 | $349 |
| Linzess (Linaclotide) | Brand | 14 | 0 | $11,961 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 12 | 12 | $232 |
Frequently asked questions
What is Dr. Olufemi Kassim's medical specialty?
Dr. Olufemi Kassim practices Gastroenterology Physician in Maywood, IL.
Where does Dr. Olufemi Kassim practice?
Dr. Olufemi Kassim practices at 2160 S 1St Ave, Maywood, IL 601533328. Office phone: 7082169000.
What is Dr. Olufemi Kassim's NPI?
Dr. Olufemi Kassim's National Provider Identifier (NPI) is 1174961999, issued by NPPES.
Does Dr. Olufemi Kassim accept Medicare assignment?
Yes. Dr. Olufemi Kassim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olufemi Kassim commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.