DR. MOHAMAD M KASSEM (M.D.) – Nephrology Physician, NPI 1891726121
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
431 NEPHROLOGY in GA
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Provider Addresses for DR. MOHAMAD M KASSEM (M.D.)
Comfort Suites Stockbridge Atlanta South, 3540, Cameron Parkway, Stockbridge, Clayton County, Georgia, 30281, United States
STOCKBRIDGE, GA 30281
Phone: (770) 996-6446
Fax: (770) 996-6279
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $968.
Total Amount is formed as General ($968) + Research ($0) + Ownership ($0) = $968.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: AKEBIA THERAPEUTICS INC ($356).
Total Amount
$968
General + Research + Ownership
Payments
51
Total payment records
General Amount
$968
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AKEBIA THERAPEUTICS INC | $356 |
| Baxter Healthcare | $181 |
| Fresenius USA Marketing, Inc. | $104 |
| Travere Therapeutics, Inc. | $94 |
| Vifor Pharma, Inc. | $35 |
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: 2010-09-15
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 |
|---|---|---|---|---|
| I20100915000063 | I | Nephrology | GA | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 560 | 215 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 483 | 75 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 160 | 107 | $0 |
| 90966 | Home dialysis services per month (20 years or older) | 126 | 22 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 114 | 106 | $0 |
Insurance plans in this area (ZIP 30281)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | GA | 90935 | Hemodialysis procedure with one physician evaluation | 289 | 95 |
| NEPHROLOGY | GA | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 146 | 87 |
| NEPHROLOGY | GA | 90966 | Home dialysis services per month, patient 20 years of age or older | 124 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E P H R O L O G Y | CA | |
| N E P H R O L O G Y | GA | |
| Nurse Practitioner | GA |
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