Overview
Ryan Lokken is an Interventional Radiologist practicing medicine in San Francisco, California.
Dr. Lokken is highly rated in 5 conditions, according to our data. His clinical expertise encompasses Fibrolamellar Carcinoma, Familial Colorectal Cancer, Liver Cancer, Gastrostomy, and Liver Embolization.
He is actively involved in clinical research, co-authoring 54 peer reviewed articles.
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Locations
505 Parnassus Ave, San Francisco, CA 94143
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.
Center For Neuroendocrine Tumors
Dr. Nicholas Fidelman is a radiologist who specializes in caring for patients with liver cancer, metastatic colorectal cancer and neuroendocrine tumors. He has expertise in liver-directed therapy, a treatment that directly targets cancer in the liver. He also is experienced in treating portal hypertension (high blood pressure in the veins connecting the digestive organs to the liver), biliary disorders (which affect the bile ducts and gallbladder), urinary system disorders, and in performing dialysis interventions (minimally invasive procedures to restore blood flow in vessels used for dialysis). Fidelman's research focuses on clinical trials investigating novel treatments for liver cancer, outcomes of commonly performed procedures in interventional radiology, and on improving the safety and efficacy of image-guided treatments. Fidelman earned his medical degree from UCSF, where he also completed a residency in radiology and a fellowship in vascular and interventional radiology. Dr. Fidelman is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Liver Cancer, Ascites, Fibrolamellar Carcinoma, Liver Embolization, and Gastrostomy. Dr. Fidelman is board certified in American Board Of Radiology, Interventional And Diagnostic Radiology. Dr. Fidelman is currently accepting new patients.
Office
Blaise Baxter is an Interventional Radiologist practicing medicine in San Francisco, California. Dr. Baxter is highly rated in 3 conditions, according to our data. His clinical expertise encompasses Stroke, Peritonitis, Secondary Peritonitis, Thrombectomy, and Embolectomy. Dr. Baxter is currently accepting new patients.
Neuroendovascular Surgery Program
Dr. Van Halbach is a leader in neurointerventional radiology, which uses minimally invasive procedures to diagnose and treat disorders of the brain and spine. He specializes in treating hemorrhagic and ischemic stroke, dural fistulas (abnormal blood vessel connections in the membrane covering the brain and spinal cord) and cerebrovascular malformations (abnormal blood vessels in the brain). Halbach earned his medical degree at the University of California, Los Angeles. He completed his residency and a fellowship at Ronald Reagan UCLA Medical Center. Halbach has served as president of the American Society of Interventional and Therapeutic Neuroradiology (now the Society of NeuroInterventional Surgery), and has held numerous other positions in national and international societies. He has coauthored more than 200 peer-reviewed articles. The UCSF Department of Radiology and Biomedical Imaging honored him with its outstanding teaching award in 1999. Dr. Halbach is highly rated in 8 conditions, according to our data. His clinical expertise encompasses Arteriovenous Malformation, Vein of Galen Aneurysm, Cerebral Arteriovenous Malformation, Thrombectomy, and Angioplasty. Dr. Halbach is board certified in American Board Of Radiology, Diagnostic Radiology and American Board Of Radiology, Neuroradiology. Dr. Halbach is currently accepting new patients.
Frequently Asked Questions about Dr. Ryan P. Lokken
How do I make an appointment with Dr. Ryan P. Lokken?
You can book an appointment with Dr. Ryan P. Lokken by calling their office at 415-353-8199. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Ryan P. Lokken a top-rated expert for Fibrolamellar Carcinoma?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Ryan P. Lokken is classified as an Advanced expert for Fibrolamellar Carcinoma, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Ryan P. Lokken specialize in?
While Dr. Ryan P. Lokken is a Interventional Radiology, they have specific expertise in Fibrolamellar Carcinoma, Familial Colorectal Cancer, and Liver Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Interventional Radiology.
Does Dr. Ryan P. Lokken participate in research or clinical trials?
Yes. Dr. Ryan P. Lokken has published 54 articles and abstracts on conditions like Fibrolamellar Carcinoma. You can view a list of Dr. Ryan P. Lokken's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
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
- AscitesDr. Lokken isAdvanced. Learn about Ascites.
- Cholangiocarcinoma (Bile Duct Cancer)
- Familial Colorectal CancerDr. Lokken isAdvanced. Learn about Familial Colorectal Cancer.
- Fibrolamellar CarcinomaDr. Lokken isAdvanced. Learn about Fibrolamellar Carcinoma.
- Liver CancerDr. Lokken isAdvanced. Learn about Liver Cancer.
- Experienced
- Alcoholic CirrhosisDr. Lokken isExperienced. Learn about Alcoholic Cirrhosis.
- ALK-Positive Non-Small Cell Lung CancerDr. Lokken isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- Ampullary CancerDr. Lokken isExperienced. Learn about Ampullary Cancer.
- Anal CancerDr. Lokken isExperienced. Learn about Anal Cancer.
- AngioplastyDr. Lokken isExperienced. Learn about Angioplasty.
- Bile Duct StrictureDr. Lokken isExperienced. Learn about Bile Duct Stricture.
- CirrhosisDr. Lokken isExperienced. Learn about Cirrhosis.
- Colorectal CancerDr. Lokken isExperienced. Learn about Colorectal Cancer.
- EGFR Positive Lung CancerDr. Lokken isExperienced. Learn about EGFR Positive Lung Cancer.
- End-Stage Renal Disease (ESRD)Dr. Lokken isExperienced. Learn about End-Stage Renal Disease (ESRD).
- Familial Pancreatic CancerDr. Lokken isExperienced. Learn about Familial Pancreatic Cancer.
- Gallbladder DiseaseDr. Lokken isExperienced. Learn about Gallbladder Disease.
- GastrostomyDr. Lokken isExperienced. Learn about Gastrostomy.
- Inflammatory Breast CancerDr. Lokken isExperienced. Learn about Inflammatory Breast Cancer.
- Liver EmbolizationDr. Lokken isExperienced. Learn about Liver Embolization.
- Liver FailureDr. Lokken isExperienced. Learn about Liver Failure.
- Lung CancerDr. Lokken isExperienced. Learn about Lung Cancer.
- Non-Small Cell Lung Cancer (NSCLC)Dr. Lokken isExperienced. Learn about Non-Small Cell Lung Cancer (NSCLC).
- Ovarian CancerDr. Lokken isExperienced. Learn about Ovarian Cancer.
- Pancreatic CancerDr. Lokken isExperienced. Learn about Pancreatic Cancer.
- Pleural EffusionDr. Lokken isExperienced. Learn about Pleural Effusion.
- PleurisyDr. Lokken isExperienced. Learn about Pleurisy.
- Saddle Pulmonary EmbolismDr. Lokken isExperienced. Learn about Saddle Pulmonary Embolism.
- Small Cell Lung Cancer (SCLC)Dr. Lokken isExperienced. Learn about Small Cell Lung Cancer (SCLC).
- Smoldering Multiple MyelomaDr. Lokken isExperienced. Learn about Smoldering Multiple Myeloma.
- Stomach CancerDr. Lokken isExperienced. Learn about Stomach Cancer.
- UreteroceleDr. Lokken isExperienced. Learn about Ureterocele.

