Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Grandas, Vascular Surgeon in Knoxville, TN?
Dr. Oscar Grandas, MD is a Vascular Surgeon, who primarily practices in Knoxville, TN with 2 additional practice locations. He is board certified by the American Board of Surgery. Dr. Grandas graduated from Faculty of Medicine National University of Colombia and completed his residency at Washington Hospital Center Program. Dr. Grandas is fluent in English and Spanish, and is currently seeing new patients. Dr. Grandas’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Grandas’s office at (865) 305-8040.
What are Areas of Expertise for Dr. Grandas?
Dr. Oscar Grandas, MD is a highly-rated, board-certified Vascular Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Grandas empowers patients to confidently navigate their health journey, specializing in Minimally Invasive Surgery, or comprehensive wellness support. Serving the Knoxville/TN community, Dr. Grandas is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Grandas go to medical school and complete their residency?
Fellowship: Transplantation Surgery, Washington Hospital Center, Washington, D.C. USA | Vascular Surgery, University of Tennesse Medical Center at Knoxville, Knoxville, TN USA | Washington Hospital Center, University of Tennessee Medical Center | Washington Hospital Center & The University of Tennessee Medical Center at Knoxville
Residency: Washington Hospital Center Program
Medical School: Faculty of Medicine National University of Colombia | Universidad Nacional de Colombia Facultad de Medicina
Is Dr. Grandas board certified in Vascular Surgeon?
Yes, Dr. Oscar Grandas, MD is board certified by the American Board of Surgery , American Board of Surgery since 1998, American Board of Surgery since 2002
What languages does Dr. Grandas speak?
Dr. Grandas and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Grandas treat?
As a Vascular Surgeon, Dr. Grandas diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Grandas. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- End-Stage Kidney Disease
- End-Stage Kidney Disease from High Blood Pressure
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Chronic Kidney Disease
- High Blood Pressure
- ESRD
- End-Stage Renal Failure
- Hypertensive End-Stage Renal Disease
- Kidney Failure due to High Blood Pressure
- Stage 5 CKD from Hypertension
ICD-10 Codes:
- N186: End stage renal disease
- I120: Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
Also known as:
- Having a Kidney Transplant
- Kidney Transplantation
- Kidney Transplant
- Renal transplant
- Kidney replacement surgery
- Post-kidney transplant
ICD-10 Codes:
- Z940: Kidney transplant status
Also known as:
- Peripheral Artery Disease
- Peripheral Artery Disease with Both Legs Pain When Walking
- Atherosclerosis
- Peripheral Arterial Disease
- PVD
- PAD
- Poor Circulation in Legs
- Blocked Leg Arteries
- Bilateral leg claudication
- PAD both legs pain with activity
- Both legs artery pain when walking
ICD-10 Codes:
- I739: Peripheral vascular disease, unspecified
- I70213: Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs
Also known as:
- Narrowing of other blood vessel devices
- Other vascular device blockage
- Blood vessel implant narrowing
- Vascular graft stenosis
- Prosthetic vascular device blockage
ICD-10 Codes:
- T82858A: Stenosis of other vascular prosthetic devices, implants and grafts, initial encounter
Also known as:
- Carotid Artery Disease
- Carotid Stenosis
- Blocked Carotid Artery
- Neck Artery Disease
- Carotid Artery Narrowing
ICD-10 Codes:
- I6523: Occlusion and stenosis of bilateral carotid arteries
Also known as:
- Other problems with blood vessel devices
- Vascular device complications
- Blood vessel implant issues
- Prosthetic vascular device problems
- Vascular graft complications
ICD-10 Codes:
- T82898A: Other specified complication of vascular prosthetic devices, implants and grafts, initial encounter
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Blood Clot in Blood Vessel Device
- Blood Clots
- Vascular device thrombosis
- Clot in vascular implant
- Blood vessel graft blood clot
ICD-10 Codes:
- T82868A: Thrombosis due to vascular prosthetic devices, implants and grafts, initial encounter
Also known as:
- Aortic Aneurysm
- Abdominal Aortic Aneurysm
- AAA
- Aorta Bulge
ICD-10 Codes:
- I7140: Abdominal aortic aneurysm, without rupture, unspecified
Also known as:
- Type 2 Diabetes with Chronic Kidney Disease
- Type 2 Diabetes with Peripheral Artery Disease
- Diabetes Type 2
- Diabetic Kidney Problems
- Type 2 diabetes
- Diabetes Complicationss
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
- Diabetic Blood Vessel Disease
- PAD from Diabetes
- Circulation Problems from Diabetes
ICD-10 Codes:
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
- E1151: Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene
Also known as:
- High Blood Pressure Heart Failure and End-Stage Kidney Disease
- Heart Failure
- High Blood Pressure
- Kidney Failure
- Hypertensive Cardiorenal Syndrome with Heart Failure
- Heart and Kidney Failure from High Blood Pressure
ICD-10 Codes:
- I132: Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
Also known as:
- Other Preventive Health Measures
- Specific Prophylactic Treatment
- Disease Prevention Visit
- Health Protection Measures
ICD-10 Codes:
- Z298: Encounter for other specified prophylactic measures
Also known as:
- Kidney Transplant Rejection
- Kidney Transplantation
- Kidney Transplant
- Renal Transplant Rejection
- Kidney Graft Rejection
- Transplant Organ Rejection
ICD-10 Codes:
- T8611: Kidney transplant rejection
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Other Viral Infection
- Viral Infection
- Uncommon Viral Diseases
- Rare Viral Infections
- Miscellaneous Viral Illnesses
ICD-10 Codes:
- B348: Other viral infections of unspecified site
Which procedures does Dr. Grandas perform as a Vascular Surgeon?
As a Vascular Surgeon, procedures performed by a Dr. Oscar Grandas may include:
- Abdominal Wall Reconstruction
- Amputation
- Appendicitis / Appendectomy
- Brain Aneurysm Treatment
- Brain Surgery
- Brain Tumor Evaluation
- Central Line Placement
- Cerebral Shunt
For detailed information, please contact Dr. Grandas' office.
Does Dr. Grandas accept my insurance?
Dr. Grandas accepts most major insurance plans. Important: Please call our office at (865) 305-8040 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Grandas accept in Knoxville, TN?
Dr. Grandas in Knoxville, TN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
All Other Third Party
Blue Cross and Blue Shield of North Carolina
Blue Cross Blue Shield of Michigan
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Grandas' office located?
Dr. Oscar Grandas' Primary Practice
1924 Alcoa Hwy # U56
Knoxville, TN 37920
(865) 305-8040
What is Dr. Grandas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Grandas's National Provider Identifier (NPI) number is 1366550014.
What common questions do patients ask about Dr. Grandas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Grandas
What is Dr. Oscar Grandas's specialty?
Dr. Grandas is a Vascular Surgeon near Knoxville, TN. A vascular surgeon specializes in the management of surgical disorders related to blood vessels, excluding those of the heart and intracranial vessels. Contact Dr. Grandas to book an appointment today.
Is this Dr. Oscar Grandas affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Grandas is affiliated with The University of Tennessee Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Vascular Surgeon?
Explore Vascular Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Oscar Grandas accepting new patients in Knoxville, TN?
Yes, Dr. Oscar Grandas is accepting new patients at this time.
Does Dr. Oscar Grandas offer online booking?
Please contact Dr. Grandas's office at (865) 305-8040 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Oscar Grandas?
Please contact Dr. Grandas's office at (865) 305-8040 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Oscar Grandas have?
Dr. Oscar Grandas is certified by the American Board of Surgery.
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