Dr. Oscar Grandas, MD

Dr. Oscar Grandas, MD

General Surgery  ·  
Male  ·  
Age 54
(6)
Save
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.

1924 Alcoa Hwy

Knoxville, TN 37920

Contact Information

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 Surgery
    Accredited by: American Board of Surgery*
  • Vascular Surgery
    Accredited 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
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27  Procedures

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 Medicina
    Medical School | Graduated 1986
  • Washington Hospital Center
    Internship Hospital | Completed 1993
  • University Of Tennessee Med Center At Knoxville
    Residency Hospital | Completed 1997
  • Washington Hospital Center
    Residency Hospital | Completed 1994
  • University Of Tennesse Med Center At Knoxville
    Fellowship Hospital | Completed 2000
  • Washington Hospital Center
    Fellowship 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

4.3
Likelihood of recommending Dr. Grandas to family and friends
6 total reviews (2 have comments)

Likelihood to Recommend (6)

  • 5
    (5)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (1)

Dr. Grandas' Performance

  • Trustworthiness

    EXCELLENT
  • Explains condition(s) well

    EXCELLENT
  • Answers questions

    EXCELLENT
  • Time well spent

    EXCELLENT

Office & Staff Performance

  • Scheduling

    VERY GOOD
  • Office environment

    VERY GOOD
  • Staff friendliness

    VERY GOOD
  • Average wait time

    10 to 15 minutes

Patient Comments (2)

Excellent doctor has gone over and above taking care of me.
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He did my husband's kidney transplant he is very good at what he does. He is encouraging and Profesional
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