Petros Gene Leinonen, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Oak Ridge, TN
Petros Gene Leinonen, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Oak Ridge, Tennessee, and NPI 1891765848, issued on Jan 24, 2006. Check the license (Tennessee 56986, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Petros Gene Leinonen
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 56986 TN
MD22537 OR
R0057 TX
Self-reported in NPPES; status is on the state search - Practice location
- 988 Oak Ridge Tpke Ste 380, Oak Ridge, TN 37830
- Phone
- (865) 481-0183
- Enumerated
- Jan 24, 2006
- Record last updated
- Jun 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (865) 481-0186
- Medicaid ID
- Q035750 TN
- Medicare enrollment
- Enrolled (PECOS I20180620001922); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 131 in Tennessee → Look up another NPI →
Verify Petros Gene Leinonen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 56986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $71.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Ethicon US, LLC. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- East Tennessee Cardiovascular Surgery Group PCOak Ridge, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Petros Gene Leinonen among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee
Petros Gene Leinonen, M.D. is one of 131 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2005 · median 1999 among the 88 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Tennessee
There are 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee.
All 131 in Tennessee → Every provider in Oak Ridge → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Vijay Patil, M.D.Knoxville, TN 379161073619888
- Hiroshi ToyoharaKnoxville, TN 379191720359862
- Raymond Dieter, MDKnoxville, TN 379201063405603
- Thomas Gaines, MDKnoxville, TN 379201447243068
- Merideth Geib, MDKnoxville, TN 379201023671716
- Christina Glenn, MDKnoxville, TN 379201609188754
- Sean Jordan, MDKnoxville, TN 379201679835268
- Kimberly Linden, MDKnoxville, TN 379201205212230
Common questions
What is Petros Gene Leinonen, M.D.'s NPI number?
Petros Gene Leinonen, M.D.'s National Provider Identifier (NPI) is 1891765848, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Petros Gene Leinonen, M.D. located?
The NPPES record lists a practice address at 988 Oak Ridge Tpke Ste 380, Oak Ridge, TN, 37830. Phone: (865) 481-0183. Providers update this record themselves, so call before visiting.
How can I verify Petros Gene Leinonen, M.D.'s license?
NPPES lists Tennessee license number 56986, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.