Olufemi Kassim, M.D.
Gastroenterology · Internal Medicine (CMS) · Maywood, IL
At a glance
2160 S 1St Ave, Maywood, IL 60153-3328
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Feb 1, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2160 S 1St AveMaywood, IL 60153-3328
Additional reported practice locations
5841 S Maryland AveMc 7082
Chicago, IL 606371447
Phone: 7737026840 5841 S Maryland Ave
Mc 7082
Chicago, IL 606371447
Phone: 7737026840 830 Harrison Ave
Boston, MA 02118
Phone: 6176386525 4445 W Irving Park Rd Ste 200
Chicago, IL 606412808
Phone: 3126955620
Fax: 3129210403
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2013
- CMS specialties
- Gastroenterology · Internal Medicine
Practice groups
Reported hospital affiliations
- Northwestern Memorial Hospital Chicago, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 46 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 40 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology · Internal Medicine (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Jun 14, 2013
- Record updated
- Feb 1, 2024
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- FEMI KASSIM
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 125063118 IL
207RG0100X
License reported: 280737 MA
207RG0100X · Primary
License reported: 036140239 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2160 S 1St AveMaywood, IL 60153-3328
- Phone
- (708) 216-9000
Mailing address
2160 S 1ST AVEMAYWOOD, IL 601533328
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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