Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Diagnostic Radiologist in Knoxville, TN?
Dr. Donald Walker, MD is a Diagnostic Radiologist, who primarily practices in Knoxville, TN with 2 additional practice locations. He is board certified. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (501) 227-5240.
Is Dr. Walker board certified as a Diagnostic Radiologist?
Yes, Dr. Donald Walker, MD is board certified by the American Board of Radiology
What languages does Dr. Walker speak?
Dr. Walker and their clinical team can communicate with patients in the following languages:
English
What conditions does a Diagnostic Radiologist like Dr. Walker typically treat?
As a Diagnostic Radiologist, Dr. Walker 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. Walker. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Other Abnormal Findings on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R918: Other nonspecific abnormal finding of lung field
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Pleural Effusion
- Pleural Disorder
- Fluid in lungs
- Water on the lung
- Fluid around lungs
ICD-10 Codes:
- J90: Pleural effusion, not elsewhere classified
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Fluid in Abdomen
- Liver Disease
- Ascites
- Abdominal fluid buildup
- Peritoneal fluid
ICD-10 Codes:
- R188: Other ascites
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Vascular Access Device Management
- Vascular Access Care
- Port Management
- Catheter Care
ICD-10 Codes:
- Z452: Encounter for adjustment and management of vascular access device
What procedures does a Diagnostic Radiologist like Dr. Walker typically perform?
As a Diagnostic Radiologist, Dr. Walker performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Walker. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Liver Biopsy (Needle)
- Lung or Chest Biopsy
- Kidney Biopsy
- Biopsy
- Percutaneous liver biopsy
- Needle liver sample
- Liver tissue biopsy
- Liver needle aspiration
- Percutaneous lung biopsy
- Mediastinum core needle biopsy
- Image-guided lung biopsy
- Renal biopsy
- Percutaneous kidney biopsy
- Needle kidney biopsy
CPT Codes:
- 47000: Biopsy of liver, needle; percutaneous
- 32408: Core needle biopsy, lung or mediastinum, percutaneous, including imaging guidance, when performed
- 50200: Renal biopsy; percutaneous, by trocar or needle
Also known as:
- Fluid Removal from Lung Area with Imaging Guidance
- Thoracentesis
- Pleural Fluid Aspiration
- Lung Tap
- Fluid Drainage from Chest
CPT Codes:
- 32555: Thoracentesis, needle or catheter, aspiration of the pleural space; with imaging guidance
Also known as:
- Abdominal Fluid Drainage with Imaging Guidance
- Guided Abdominal Paracentesis
- Ascites Drainage with Ultrasound
- Fluid Removal from Belly
CPT Codes:
- 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance
Also known as:
- Bone Marrow Biopsy and Aspiration
- Biopsy
- Bone Marrow Tests
- Bone Marrow Exam
- Bone Marrow Sample Collection
- Diagnostic Bone Marrow Procedure
CPT Codes:
- 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Does Dr. Walker accept my insurance?
Dr. Walker accepts most major insurance plans. Important: Please call our office at (501) 227-5240 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Knoxville, TN?
Dr. Walker in Knoxville, TN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Tennessee
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Walker's office located?
What hospitals are Dr. Walker affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Walker has admitting privileges at the following hospitals:
The University Of Tennessee Medical Center,Knoxville, TN
Ranked in 3 Specialties

Ranked in 9 Procedures

Ranked in 3 Specialties
Ranked in 9 Procedures
Cookeville Regional Medical Center,Cookeville, TN
Ranked in 2 Specialties

Ranked in 4 Procedures

Ranked in 2 Specialties
Ranked in 4 Procedures
Livingston Regional Hospital,Livingston, TN
Ranked ObGyn Surgery

Ranked C-section surgery

Ranked ObGyn Surgery
Ranked C-section surgery
Parkwest Medical Center,Knoxville, TN
Ranked General Surgery

Ranked Hernia Repair Surgery

Ranked General Surgery
Ranked Hernia Repair Surgery
Baptist Health Corbin,Corbin, KY
Ranked in 2 Specialties

Ranked in 2 Procedures

Ranked in 2 Specialties
Ranked in 2 Procedures