Overview
William Tseng is a Surgical Oncologist and a General Surgeon in South Pasadena, California. Dr. Tseng is rated as an Experienced provider by MediFind in the treatment of Merkel Cell Carcinoma. His top areas of expertise are Retroperitoneal Liposarcoma, Liposarcoma, Adult Soft Tissue Sarcoma, Pancreaticoduodenectomy, and Reconstructive Urology Surgery.
His clinical research consists of co-authoring 54 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
Locations
209 Fair Oaks Ave, South Pasadena, CA 91030
Additional Areas of Focus
Dr. Tseng has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
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.
University Surgeons Of Orange A Medical Group
Maki Yamamoto is a General Surgeon and a Surgical Oncologist in Orange, California. Dr. Yamamoto is rated as a Distinguished provider by MediFind in the treatment of Merkel Cell Carcinoma. Her top areas of expertise are Melanoma, Merkel Cell Carcinoma, Undifferentiated Pleomorphic Sarcoma, Pancreaticoduodenectomy, and Gastrectomy.
Richard Essner is a Surgical Oncologist in Santa Monica, California. Dr. Essner is rated as a Distinguished provider by MediFind in the treatment of Merkel Cell Carcinoma. His top areas of expertise are Melanoma, Merkel Cell Carcinoma, Liposarcoma, Rhabdomyosarcoma Embryonal, and Tissue Biopsy. Dr. Essner is currently accepting new patients.
City Of Hope Medical Foundation
A talented surgeon and award-winning instructor and researcher, Laleh G. Melstrom, M.D., M.S., joined City of Hope, attracted by the opportunity to help develop breakthrough cures and treatments. Educated at Johns Hopkins University, Dr. Melstrom received her medical degree at Cornell Medical College in New York City, continuing her training at Northwestern Memorial Hospital in Chicago and New York's Memorial Sloan-Kettering Cancer Center. She held professorships at both Cornell and Robert Wood Johnson Medical School, before arriving in California. Dr Melstrom is certified in robotic surgery and specializes in the treatment of cancers of the liver, pancreas, melanoma and sarcoma. She has published over 120 scholarly articles and is a sought-after speaker at national and international conferences. Expertise: Liver Cancer, Pancreas Cancer, Metastatic Colon or Rectal Cancer to Liver, Hepatic Artery Infusion Pump, Cholangiocarcinoma, Neuroendocrine Tumors, Gallbladder Cancer, Melanoma, Sarcomas, Robotic SurgeryResearch Areas: Metastatic CRC, Melanoma, Bile Duct Cancer, Liver Cancer. Dr. Melstrom is rated as a Distinguished provider by MediFind in the treatment of Merkel Cell Carcinoma. Her top areas of expertise are Pancreatic Cancer, Neuroendocrine Tumor, Cholangiocarcinoma (Bile Duct Cancer), Pancreatectomy, and Small Bowel Resection.
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
- Elite
- Adult Soft Tissue SarcomaDr. Tseng isElite. Learn about Adult Soft Tissue Sarcoma.
- LiposarcomaDr. Tseng isElite. Learn about Liposarcoma.
- Retroperitoneal Liposarcoma
- Distinguished
- Alveolar Soft Part SarcomaDr. Tseng isDistinguished. Learn about Alveolar Soft Part Sarcoma.
- Bone TumorDr. Tseng isDistinguished. Learn about Bone Tumor.
- Desmoplastic Small Round Cell TumorDr. Tseng isDistinguished. Learn about Desmoplastic Small Round Cell Tumor.
- Epithelioid SarcomaDr. Tseng isDistinguished. Learn about Epithelioid Sarcoma.
- FibrosarcomaDr. Tseng isDistinguished. Learn about Fibrosarcoma.
- GanglioneuroblastomaDr. Tseng isDistinguished. Learn about Ganglioneuroblastoma.
- Advanced
- AngiosarcomaDr. Tseng isAdvanced. Learn about Angiosarcoma.
- GanglioneuromaDr. Tseng isAdvanced. Learn about Ganglioneuroma.
- MelanomaDr. Tseng isAdvanced. Learn about Melanoma.
- Rhabdoid TumorDr. Tseng isAdvanced. Learn about Rhabdoid Tumor.
- Rhabdoid Tumor Predisposition Syndrome
- Synovial SarcomaDr. Tseng isAdvanced. Learn about Synovial Sarcoma.
- Experienced
- AcrospiromaDr. Tseng isExperienced. Learn about Acrospiroma.
- Congenital Generalized FibromatosisDr. Tseng isExperienced. Learn about Congenital Generalized Fibromatosis.
- Desmoid TumorDr. Tseng isExperienced. Learn about Desmoid Tumor.
- Epidural LipomatosisDr. Tseng isExperienced. Learn about Epidural Lipomatosis.
- Gastrointestinal Stromal TumorDr. Tseng isExperienced. Learn about Gastrointestinal Stromal Tumor.
- HemangiopericytomaDr. Tseng isExperienced. Learn about Hemangiopericytoma.

