ELEFTHERIOS P MAMOUNAS (MD) – Surgery Physician, NPI 1174580492
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,163 GENERAL SURGERY in FL
Provider Addresses for ELEFTHERIOS P MAMOUNAS (MD)
2501 N ORANGE AVE STE 389
ORLANDO, FL 328044623
Phone: (407) 303-5214
Type: Location
22 W Underwood St
Orlando, FL 328061110
Phone: (407) 648-3800
Fax: (407) 425-5203
Type: Location
22, Underwood Street, Orlando, Orange County, Florida, 32806, United States
ORLANDO, FL 328061110
Phone: (407) 648-3800
Fax: (407) 425-5203
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $36,010.
Total Amount is formed as General ($30,423) + Research ($5,587) + Ownership ($0) = $36,010.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($23,493).
Total Amount
$36,010
General + Research + Ownership
Payments
36
Total payment records
General Amount
$30,423
General payments
Research Amount
$5,587
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $23,493 |
| F. Hoffmann-La Roche AG | $5,587 |
| Novartis Pharmaceuticals Corporation | $3,263 |
| GE HEALTHCARE | $2,372 |
| Provepharm Inc. | $600 |
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: 2013-02-12
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 |
|---|---|---|---|---|
| I20130212000317 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 49 | 37 | $0 |
Insurance plans in this area (ZIP 32804)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| SURGICAL ONCOLOGY | FL | 19301 | Partial removal of breast | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | FL | |
| N E U R O L O G Y | FL | |
| General Surgery | FL | |
| Cardiovascular Disease (Cardiology), Internal Medicine, Interventional Cardiology | FL | |
| Nurse Practitioner | FL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | FL | |
| General Surgery | FL | |
| Pulmonary Disease, Critical Care (Intensivists) | FL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MI | |
| Physician Assistant | FL |
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