DR. MOHAMMED AZHER KASSEM (M.D) – Internal Medicine Physician, NPI 1023053808
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
727 HEMATOLOGY/ONCOLOGY in IL
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Provider Addresses for DR. MOHAMMED AZHER KASSEM (M.D)
1500, South California Avenue, Douglass Park, North Lawndale, Chicago, West Chicago Township, Cook County, Illinois, 60608, United States
MT SINAI HOSPITAL , CANCER CARE CENTER, 6TH FLOOR
CHICAGO, IL 606089025
Phone: (773) 257-6120
Type: Mailing
South California Avenue, Brighton Park, Chicago, Cook County, Illinois, 60629, United States
MT SINAI HOSPITAL, CANCER CARE CENTER
CHICAGO, IL 606081732
Phone: (773) 257-6120
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 135 Open Payments records for all available years, with a total value of $3,170.
Total Amount is formed as General ($3,170) + Research ($0) + Ownership ($0) = $3,170.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($655).
Total Amount
$3,170
General + Research + Ownership
Payments
135
Total payment records
General Amount
$3,170
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $655 |
| E.R. Squibb & Sons, L.L.C. | $169 |
| Merck Sharp & Dohme LLC | $152 |
| Regeneron Healthcare Solutions, Inc. | $129 |
| PFIZER INC. | $124 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-07-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050729000812 | I | Hematology/Oncology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 78 | 62 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 77 | 45 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 46 | 28 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 45 | 23 | $0 |
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 35 | 20 | $0 |
Insurance plans in this area (ZIP 60608)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Interventional Radiology, Diagnostic Radiology | IL | |
| Radiation Oncology, Diagnostic Radiology | IL | |
| Endocrinology, Internal Medicine | IL | |
| Internal Medicine | IL | |
| Internal Medicine, Sleep Medicine | IL | |
| Internal Medicine | IL | |
| - | IL | |
| P A T H O L O G Y | IL | |
| General Surgery, Colorectal Surgery (Proctology) | IL |
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