Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Petros Gene Leinonen, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1891765848

Dr. Petros Gene Leinonen, MD is a Cardiac Surgery in Oak Ridge, Tennessee. Qualified in 2005, 21 years ago. Practices with Covenant Medical Group Inc, a 356-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oregon, Tennessee and Texas.

Years since qualifying
21
Licensed in
OR, TN, TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

988 Oak Ridge Tpke Ste 380
Oak Ridge, TN 37830
Phone: (865) 481-0183
Fax: (865) 481-0186
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3851 Roger Brooke Dr, Fort Sam Houston, TX 78234-4501 — (210) 916-2412

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 56986 (TN)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence MD22537 (OR)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence R0057 (TX)

Record details

NPI number1891765848
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 24, 2006
Last updated in NPPESJune 11, 2018
Mailing address988 Oak Ridge Tpke Ste 380, Oak Ridge, TN 37830-6998

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIAC SURGERY
Also practisesTHORACIC SURGERY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Covenant Medical Group Inc — 356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare