DR. MAMDOUH ELSAYED RAYAN (MD) – Diagnostic Radiology Physician, NPI 1134261845
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for DR. MAMDOUH ELSAYED RAYAN (MD)
869 E SCHAUMBURG RD STE 171
SCHAUMBURG, IL 601943654
Phone: (847) 565-8700
Fax: (847) 285-1348
Type: Mailing
2160 S 1ST AVE
MAYWOOD, IL 601533328
Phone: (708) 216-9000
Type: Location
PO BOX 917770
ORLANDO, FL 328910001
Phone:
Type: Mailing
13330 USF LAUREL DR
TAMPA, FL 336126601
Phone: (813) 974-2201
Type: Location
1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States
ROCHESTER, MN 559050001
Phone: (507) 284-2511
Fax: (507) 284-0702
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $274.
Total Amount is formed as General ($274) + Research ($0) + Ownership ($0) = $274.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: HeartFlow, Inc. ($274).
Total Amount
$274
General + Research + Ownership
Payments
2
Total payment records
General Amount
$274
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| HeartFlow, Inc. | $274 |
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: 2020-03-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040119000687 | I | Diagnostic Radiology | IL | TBD |
| I20200327002011 | I | Diagnostic Radiology | FL | 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 |
|---|---|---|---|---|
| 71046 | X-ray of chest, 2 views | 763 | 716 | $0 |
| 71045 | X-ray of chest, 1 view | 558 | 432 | $0 |
| 70450 | Ct scan head or brain without contrast | 301 | 295 | $0 |
| 71250 | Ct scan of chest without contrast | 79 | 78 | $0 |
| 72125 | Ct scan of upper spine without contrast | 64 | 63 | $0 |
Insurance plans in this area (ZIP 60194)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | MN | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 49 | 47 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| - | FL | |
| - | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | FL | |
| - | FL | |
| Diagnostic Radiology, Interventional Radiology | FL | |
| Diagnostic Radiology | FL |
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