Overview
John Walker is an Interventional Radiologist and a Radiologist in San Antonio, Texas. Dr. Walker is rated as an Advanced provider by MediFind in the treatment of Colorectal Cancer. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Fibrolamellar Carcinoma, Liver Embolization, and Gastrostomy. Dr. Walker is currently accepting new patients.
His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
7703 Floyd Curl Dr, San Antonio, TX 78229
903 W Martin St, San Antonio, TX 78207
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
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Rajiv Vasan is a Radiologist and an Interventional Radiologist in San Antonio, Texas. Dr. Vasan is rated as an Advanced provider by MediFind in the treatment of Colorectal Cancer. His top areas of expertise are Ascites, Pancreatic Cancer, Familial Pancreatic Cancer, Bone Marrow Aspiration, and Vertebroplasty. Dr. Vasan is currently accepting new patients.
South Texas Radiology Group PA
Jorge Velez is a Radiologist and a Pain Medicine provider in San Antonio, Texas. Dr. Velez is rated as a Distinguished provider by MediFind in the treatment of Colorectal Cancer. His top areas of expertise are Ascites, Lymphofollicular Hyperplasia, Pleural Effusion, Gastrostomy, and Bone Marrow Aspiration. Dr. Velez is currently accepting new patients.
South Texas Radiology Group PA
Vivek Sahani is an Interventional Radiologist and a Radiologist in San Antonio, Texas. Dr. Sahani is rated as an Advanced provider by MediFind in the treatment of Colorectal Cancer. His top areas of expertise are Ascites, Pleurisy, Alcoholic Cirrhosis, Bone Marrow Aspiration, and Gastrostomy. Dr. Sahani is currently accepting new patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Colorectal CancerDr. Walker isAdvanced. Learn about Colorectal Cancer.
- Familial Colorectal CancerDr. Walker isAdvanced. Learn about Familial Colorectal Cancer.
- Fibrolamellar CarcinomaDr. Walker isAdvanced. Learn about Fibrolamellar Carcinoma.
- Experienced
- Alcoholic CirrhosisDr. Walker isExperienced. Learn about Alcoholic Cirrhosis.
- AscitesDr. Walker isExperienced. Learn about Ascites.
- Bile Duct ObstructionDr. Walker isExperienced. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. Walker isExperienced. Learn about Bile Duct Stricture.
- Cholangiocarcinoma (Bile Duct Cancer)Dr. Walker isExperienced. Learn about Cholangiocarcinoma (Bile Duct Cancer).
- CholestasisDr. Walker isExperienced. Learn about Cholestasis.