Physician Profile
Unclaimed ProfileAbout LEINONEN
Petros Gene Leinonen, M.D. practices cardiac surgery in Oak Ridge, TN. Petros is also listed as specializing in thoracic surgery (cardiothoracic). According to Medicare claims data, Petros cared for 45 Medicare patients across 45 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (865) 481-0183
- Email not available
Practice Locations
988 OAK RIDGE TPKE STE 380
Oak Ridge, TN 37830
Procedures Most Often Billed to Medicare
45 services · 45 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
19 |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
14 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Coronary artery bypass using artery graft, 1 graft 8
Providers in TN who bill this service to Medicare most often.
Common questions
What is Dr. Leinonen's specialty?
Dr. Leinonen is a cardiac surgeon in Oak Ridge, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIAC SURGERY”.
NPI registry
Where can I find Dr. Leinonen?
Dr. Leinonen is listed at 988 OAK RIDGE TPKE STE 380, Oak Ridge, TN 37830. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Leinonen?
The number on file is (865) 481-0183. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leinonen's NPI number?
Dr. Leinonen's National Provider Identifier is 1891765848. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Leinonen's medical education?
Dr. Leinonen attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leinonen been practicing?
Dr. Leinonen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Leinonen known for?
According to Medicare billing data, Dr. Leinonen performs procedures including coronary artery bypass using artery graft, 1 graft and coronary artery bypass using vein or artery graft, 2 grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leinonen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leinonen. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.