Dr. Oscar Grandas, MD is a general surgery specialist in Knoxville, TN and has been practicing for 18 years. He graduated from Universidad Nacional De Colombia, Facultad De Medicina in 1986 and specializes in general surgery and vascular surgery.
Insurance Accepted
- Aetna
- Blue Cross Blue Shield of Tennessee
- Cigna
- First Health (Coventry Health Care)
- Humana
- MultiPlan
*Please verify this information when scheduling an appointment.
Learn about Dr. Grandas
Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.
Top Care Areas
See how frequently Dr. Grandas performs your care needs compared to other doctors.
Thrombosis
very high
more than 99% of peers
Peripheral Vascular Disease (PAD, PVD)
very high
more than 99% of peers
Peripheral Arterial Embolism and Thrombosis
very high
more than 96% of peers
Dr. Grandas's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.
2 Specialties
- General Surgery
- Vascular Surgery
2 Board Certifications
- General SurgeryAccredited by: American Board of Surgery*
- Vascular SurgeryAccredited by: American Board of Surgery*
39 Conditions Treated
- Abdominal Aortic Aneurysm (AAA)
- Acute Deep Vein Thrombosis (DVT)
- Acute Venous Embolism Thrombosis
- Aneurysm
- Aortic Aneurysm
- Aortic Dissection
- Aortic Ectasia
- Aortic Embolism and Thrombosis
- Atherosclerosis
- Atherosclerosis of Aorta
- Brachial Plexus Palsy
- Carotid Artery Disease
- Chronic Deep Vein Thrombosis (DVT)
- Chronic Venous Embolism Thrombosis
- Congenital Heart Defects
- Deep Vein Thrombosis (DVT)
- Heart Disease
- Hypertensive Encephalopathy
- Median Arcuate Ligament Syndrome (MALS)
- Peripheral Arterial Aneurysm
- Peripheral Arterial Aneurysm and Dissection
- Peripheral Arterial Disease of Extremities
- Peripheral Arterial Dissection
- Peripheral Arterial Embolism and Thrombosis
- Peripheral Autonomic Neuropathy
- Peripheral Nerve Disorders
- Peripheral Vascular Disease (PAD, PVD)
- Phlebitis and Thrombophlebitis
- Renal Artery Arteriosclerotic Disease
- Ruptured Aortic Aneurysm
- Secondary Hypertension
- Thoracoabdominal Aortic Aneurysm
- Thrombosis
- Transient Ischemic Attack (TIA)
- Varicose Veins
- Vascular Disease
- Venous Compression
- Venous Embolism and Thrombosis
- Venous Insufficiency
Less
27 Procedures
- Aortic Repair, Open or Repair of Arterial Aneurysm, Open
- Arteriovenous Fistula Repair
- Arteriovenous Shunt Creation
- Carotid Artery Stent Placement
- Carotid Endarterectomy (CEA) or Excision of Infected Graft
- Carotid Ultrasound
- Dialysis Access Procedures
- Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
- Embolectomy, Thrombectomy, or Vessel Exploration
- Endovascular Repair of Abdominal Aortic Aneurysm
- Endovascular Repair of Aorta
- Endovascular Repair of Visceral Aorta
- Heart Surgery
- Laparotomy
- Lung Surgery
- Non-Coronary Angioplasty, Atherectomy, and Stenting
- Peripheral Artery Bypass
- Peripheral Artery Catheterization
- Port Placements or Replacements
- Removal of Arteriovenous Shunt for Renal Dialysis
- Revision of Arteriovenous Shunt for Renal Dialysis
- Thromboendarterectomy or Excision of Infected Graft
- Vascular Duplex Ultrasonography and Plethysmography
- Vascular Surgical Procedure
- Vascular Transcatheter Embolization
- Venous Sclerotherapy
- Video-Assisted Thoracoscopic Surgery (VATS) or Thoracotomy
Background Check
0 Malpractice Claims
No malpractice history found for Tennessee.
0 Sanctions
No sanctions history found for the years that Healthgrades collects data.
0 Board Actions
No board actions found for the years that Healthgrades collects data.
Education
- Universidad Nacional De Colombia, Facultad De MedicinaMedical School | Graduated 1986
- Washington Hospital CenterInternship Hospital | Completed 1993
- University Of Tennessee Med Center At KnoxvilleResidency Hospital | Completed 1997
- Washington Hospital CenterResidency Hospital | Completed 1994
- University Of Tennesse Med Center At KnoxvilleFellowship Hospital | Completed 2000
- Washington Hospital CenterFellowship Hospital | Completed 1998
Awards & Recognition
Awards & Honors
- Healthgrades Honor Roll
Media & Publications
Dr. Grandas has no media or publications listed.
Languages Spoken
- English
- Spanish
Memberships & Professional Affiliations
Dr. Grandas does not have any memberships or affiliations listed. If you are Dr. Grandas and would like to add memberships or affiliations, please update your profile.
Dr. Grandas' Reviews
Likelihood of recommending Dr. Grandas to family and friends
6 total reviews (2 have comments)
Are you Dr. Grandas?
Make it easy for patients to share their feedback. Also manage your personalized profile!
Visit Dr. Grandas
Now Accepting New Patients
Dr. Grandas accepts 6 insurance carriers
- AetnaChoice Plus POS II
- Blue Cross Blue Shield of TennesseeBlue Network E
- CignaCigna HMOCigna PPOLocalPlusOpen Access Plus
- First Health (Coventry Health Care)First Health (Coventry Health Care) PPO
- HumanaChoice Care PPO
- MultiPlanMultiPlan PPOPHCS Network PPO
Less
*Please verify this information when scheduling an appointment.
Patient Comments (2)