DR. PETROS GENE LEINONEN (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1891765848
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
65 CARDIAC SURGERY in TN
Provider Addresses for DR. PETROS GENE LEINONEN (M.D.)
988 OAK RIDGE TPKE STE 380
OAK RIDGE, TN 378306998
Phone: (865) 481-0183
Fax: (865) 481-0186
Type: Mailing
3851 Roger Brooke Dr
Brooke Army Medical Center MCHE-QD(Creds)
Fort Sam Houston, TX 782344501
Phone: (210) 916-2412
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $430.
Total Amount is formed as General ($371) + Research ($59) + Ownership ($0) = $430.
Last reported payment date: 2024-07-12 • Largest payer in this snapshot: ABIOMED ($209).
Total Amount
$430
General + Research + Ownership
Payments
8
Total payment records
General Amount
$371
General payments
Research Amount
$59
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $209 |
| Getinge USA Sales, LLC | $101 |
| Ethicon US, LLC | $94 |
| ATRICURE, INC. | $27 |
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: 2018-06-20
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 |
|---|---|---|---|---|
| I20180620001922 | I | Cardiac Surgery | TN | 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 |
|---|---|---|---|---|
| 33533 | Coronary artery bypass using artery graft, 1 graft | 11 | 11 | $0 |
Insurance plans in this area (ZIP 37830)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TN | |
| Physician Assistant | TN | |
| Physician Assistant | TN | |
| Thoracic Surgery | TN | |
| Physician Assistant | TN | |
| Nurse Practitioner | TN | |
| Physician Assistant | NC | |
| Cardiac Surgery | TN | |
| Cardiovascular Disease (Cardiology), Thoracic Surgery | TN | |
| Nurse Practitioner | TN |
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