Dr. Meyer will serve as the lead medical oncologist for adult sarcoma patients, and will focus on building the Adult Sarcoma and Connective Tissue Oncology Program. In collaboration with pediatric oncologist David Loeb, M.D., Ph.D., and orthopaedic surgeon Kristy Weber, M.D., Meyer will bring novel therapies to the clinic for sarcoma patients. Meyer received his bachelors and masters degrees in cell and molecular biology from Stanford University. From there, he joined the Medical Scientist Training Program at Baylor College of Medicine and earned his medical degree followed by a doctorate in immunology. Meyer completed his residency at the University of Maryland and served as chief resident in medicine from 2004-2005. Afterward, he joined our fellowship program in medical oncology and has been working in the laboratory of Jonathan Powell, M.D., Ph.D., on projects relating to the characterization of molecular regulatory pathways involved in T-cell activation and energy. As a third-year fellow, Meyer served as the chief fellow for our Training Programs in Hematology and Medical Oncology and he received a Young Investigator Award from the American Society of Clinical Oncology in 2010. Dr. Meyer is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Bone Tumor, and Ganglioneuroblastoma.

Stéphanie Gaillard is a medical oncologist who specializes in the treatment of gynecologic malignancies. She recently joined the faculty of the Johns Hopkins Sidney Kimmel Comprehensive Cancer Center and is their Director of Gynecologic Cancer Trials. Dr. Gaillard earned her medical degree and doctoral degree in cancer biology from Duke University. Following medical school, she underwent residency training in Internal Medicine and fellowship training in Medical Oncology at the Johns Hopkins School of Medicine. Dr. Gaillard’s research focuses on the development of clinical trials aimed at improving outcomes by incorporating promising new biologic, targeted, and immune therapies into standard treatment regimens. Her translational research program focuses on understanding the immune environment associated with gynecologic cancers and mechanisms of resistance to current therapies. Dr. Gaillard is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Ovarian Cancer, Endometrial Cancer, Cervical Cancer, Tissue Biopsy, and Salpingo-Oophorectomy.

Panayotis Ledakis is a Hematologist Oncology specialist and an Oncologist in Baltimore, Maryland. Dr. Ledakis is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Appendix Cancer, Desmoplastic Small Round Cell Tumor, Anemia, Colorectal Cancer, and Ureteroscopy. Dr. Ledakis is currently accepting new patients.

Richard Schraeder is a Hematologist Oncology specialist and a Hematologist in Towson, Maryland. Dr. Schraeder is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Retroperitoneal Liposarcoma. Dr. Schraeder is currently accepting new patients.

Annette Bicher is a Gynecologic Oncologist and an Oncologist in Rockville, Maryland. Dr. Bicher is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Endometrial Cancer, Malignant Mixed Mullerian Tumor, Ovarian Carcinosarcoma, Hernia Surgery, and Ureteroscopy. Dr. Bicher is currently accepting new patients.

Richard Mackey is a Surgical Oncologist and a General Surgeon in Frederick, Maryland. Dr. Mackey is rated as a Distinguished provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Choledocholithiasis, Retroperitoneal Liposarcoma, Familial Pancreatic Cancer, Hernia Surgery, and Pancreatectomy. Dr. Mackey is currently accepting new patients.

Dr. Amanda Nickles Fader is a professor in the Johns Hopkins Hospital Department of Gynecology and Obstetrics and the Sidney Kimmel Cancer Center. She is the former fellowship director and division director of the Johns Hopkins Kelly Gynecologic Oncology Service and currently is Vice Chair of Gynecologic Surgical Operations and the Director of the Center for Rare Gynecologic Cancers. Additionally, she serves as the 2024-2025 President of the Society of Gynecologic Oncology. Dr. Fader received her undergraduate degree with highest distinction in music (violin performance) and pre-medicine from the University of Virginia. She earned her medical degree from the Medical College of Virginia, and completed her residency in obstetrics and gynecology at the Magee-Women’s Hospital of UPMC in Pittsburgh. Dr. Fader then underwent gynecologic oncology fellowship training at the Cleveland Clinic. She has co-authored more than 230 publications in peer-reviewed medical journals and is recognized as an expert in rare gynecologic tumors, clinical trials and quality and safety in surgery. She has a special interest in uterine serous carcinoma and low-grade serous carcinoma of the ovary and currently serves as the PI or co-PI of three international NRG Oncology clinical trials. Dr. Fader serves as a national board examiner in gynecologic oncology for the American Board of Obstetrics and Gynecology and Associate Editor of the Gynecologic Oncology journal is a member of the Rare Tumor and Uterine Corpus Committees of the NRG/Gynecologic Oncology Group. She is also co-founder of the Society of Gynecologic Oncology BRIDGES Program, a two-year longitudinal clinical trials and career development program for early-career oncologists. She has been the recipient of several research grants and awards for her research, including the Society of Gynecologic Oncology Innovations Award, the Best AAGL Paper in Minimally Invasive Gynecologic Oncology Surgery, a Department of Defense Ovarian Cancer Clinical Trials Academy Leadership Award, and National Cancer Institute Cervical SPORE grant. Dr. Fader is consistently recognized for clinical excellence on lists such as Baltimore magazine’s Top Docs and Castle Connolly’s Top Doctors, and is a recipient of the Top 10 Docs, Compassionate Doctors and Patient Choice Awards from Vitals.com. She has particular expertise with the surgical and medical management of uterine (endometrial), ovarian, cervical and vulvar cancers, as well as the treatment of women who are at high risk for developing a gynecologic malignancy. She has a special interest in caring for patients throughout the entire spectrum of their lives: from preventive oncology — minimizing key risk factors that can lead to gynecologic cancers — to survivorship initiatives addressing all aspects of recovery, including emotional well-being, sexual health and clinical follow-up. Dr. Fader is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Ovarian Carcinosarcoma, Sertoli-Leydig Cell Tumor, Ovarian Cancer, Bladder Reconstruction, and Hernia Surgery.

Dr. Christine Pratilas is a pediatric medical oncologist at the Sidney Kimmel Comprehensive Cancer Center and Associate Professor of Oncology, Pediatrics & Cellular and Molecular Medicine at the Johns Hopkins University School of Medicine. She joined the Hopkins pediatric sarcoma team in 2014. Dr. Pratilas received her undergraduate degree in Biology from Drew University in New Jersey and her medical degree from UMDNJ - Robert Wood Johnson Medical School (now Rutgers University), where she also completed her internship and residency from 1999 to 2002. From 2002 to 2005 she was a fellow in hematology and oncology in the Memorial Sloan Kettering Cancer Center (MSKCC) Department of Pediatrics, and in the Department of Pediatric Hematology and Oncology at New York Weill Cornell Medical Center. She was a postdoctoral research fellow in Dr. Neal Rosen’s Molecular Oncogenesis Laboratory at MSKCC. From 2006 to 2014 she was attending in Pediatric Oncology at MSKCC, specializing in developmental therapeutics & sarcoma. She has been the director of the pediatric sarcoma program at Hopkins since 2018. Dr. Pratilas focuses her research on cancer-associated pathways and signal transduction, which involves figuring out how a cell’s internal molecular pathways work, and how those pathways can be molecularly controlled. This knowledge is the basis for developing promising new molecularly targeted cancer therapies, which is the focus of Dr. Pratilas’s research. Among her important scientific contributions is advancing our understanding of how certain proteins that can be mutated in cancer, known as RAF kinases (specifically BRAF), affect a cancer cell’s behavior. The research in Dr. Pratilas' laboratory is focused on RAS signal transduction pathways, concentrating on pediatric sarcomas such as rhabdomyosarcoma and malignant peripheral nerve sheath tumors, in order to develop novel therapeutics for children with these tumors. Dr. Pratilas is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Malignant Peripheral Nerve Sheath Tumor, Neurofibromatosis Type 1 (NF1), Neurofibromatosis, Adult Soft Tissue Sarcoma, and Osteotomy.

William Houck is an Oncologist in Baltimore, Maryland. Dr. Houck is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Paget Disease of the Breast, Lung Cancer, Chronic B-Cell Leukemia (CBCL), and Chronic Lymphocytic Leukemia (CLL).

William Burns, M.D., is an assistant professor of surgery at the Johns Hopkins University School of Medicine and a surgeon within the Division of Hepato-Pancreato-Biliary & Gastrointestinal Surgical Oncology at The Johns Hopkins Hospital. Prior to joining the faculty at Johns Hopkins, Dr. Burns served as an assistant professor of surgery at the University of Michigan, as well as an attending physician at the University of Michigan Health Systems and the VA Ann Arbor Healthcare System. Dr. Burns received his medical degree from Yale University School of Medicine and was awarded a research training fellowship by the Howard Hughes Medical Institute. He completed an internship and residency in general surgery at The Johns Hopkins Hospital followed by clinical fellowship training in complex general surgical oncology at The University of Texas MD Anderson Cancer Center. Additionally, he completed postgraduate research fellowships in the field of cancer immunotherapy and tumor immunology at the National Cancer Institute and the MD Anderson Cancer Center. Dr. Burns specializes in treating patients with tumors of the pancreas and gastrointestinal tract, sarcoma and melanoma. He is trained in traditional and minimally invasive surgical techniques. Furthermore, he works closely with colleagues in medical and radiation oncology to provide comprehensive cancer care. His research focuses on immune cell-tumor cell interactions to improve outcomes in patients with pancreatic cancer, cancer immunotherapy for solid tumors, the role of lymph node surgery in the treatment of cancer, and human biospecimen analysis to guide therapy in patients with cancer. He is a member of several professional societies, including the American College of Surgeons, Society of Surgical Oncology, Association of Academic Surgery, and Society of Immunotherapy for Cancer. Dr. Burns is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Neuroendocrine Tumor, Familial Pancreatic Cancer, Familial Colorectal Cancer, Small Bowel Resection, and Pancreatectomy.

Dr. Armstrong works primarily in the area of women's malignancies, with a particular emphasis on breast cancer, ovarian cancer and other gynecologic malignancies, and the genetics of breast and ovarian cancer. She directs the medical gynecologic oncology clinical service and oversees therapeutic clinical trials in gynecologic cancers. Dr. Armstrong's clinical focus is on the development of new therapeutic approaches to the treatment of breast cancer and gynecologic malignancies. Particular areas of interest are intraperitoneal therapy in ovarian cancer and targeted biologic therapies. Dr. Armstrong also directs the Kimmel Cancer Center's Breast and Ovarian Cancer Screening Service, a genetic counseling service that focuses on identifying patients at risk for cancer and examination of new strategies for cancer screening and prevention. Dr. Armstrong has lectured locally, nationally and internationally. She is active in the Gynecologic Oncology Group, serving on the Medical Oncology, Developmental Therapeutics and Phase I GOG committees and as chair of several clinical trials through this group. She is a representative of the Southwest Oncology Group to the Gynecologic Cancer Steering Committee of the National Cancer Institute. Dr. Armstrong also serves as a representative of Johns Hopkins to the National Cooperative Cancer Network serving on the ovarian cancer and breast cancer risk reduction panels. She has participated as a member of the Cancer Working Group for the Office of Research on Women's Health for the National Institutes of Health, as a scientific reviewer for the breast and ovarian cancer research programs of the Department of Defense and the National Cancer Institute, as a reviewer for the NCI Special Emphasis Panel for Insight Awards to Stamp Out Breast Cancer and as a member of the NCI SPORE Program parent committee. Dr. Armstrong also is co-principal investigator for the NCI National Clinical Trials Network (NCTN) Lead Academic Participating Site (LAPS) at Johns Hopkins, now the major avenue for adult oncology clinical trials in the country. Recent work includes immune checkpoint inhibitor therapy in endometrial cancers with microsatellite instability and PARP inhibition in ovarian cancer. Dr. Armstrong is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Ovarian Carcinosarcoma, Sertoli-Leydig Cell Tumor, Testicular Yolk Sac Tumor, and Ovarian Cancer.

Armando Sardi is a Surgical Oncologist in Baltimore, Maryland. Dr. Sardi is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Pseudomyxoma Peritonei, Colorectal Cancer, Familial Colorectal Cancer, Ureteroscopy, and Hernia Surgery. Dr. Sardi is currently accepting new patients.

Neil Rosenshein is a Gynecologic Oncologist and an Oncologist in Baltimore, Maryland. Dr. Rosenshein is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Angiomyoma, Uterine Fibroids, Ovarian Carcinosarcoma, Ureteroscopy, and Vaginectomy. Dr. Rosenshein is currently accepting new patients.

Mark Steves is a Surgical Oncologist and a General Surgeon in Silver Spring, Maryland. Dr. Steves is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Pseudomyxoma Peritonei, Familial Colorectal Cancer, Pancreatic Cancer, Pancreatectomy, and Gastrectomy. Dr. Steves is currently accepting new patients.

Mahinur Khan is a Hematologist Oncology specialist and an Oncologist in Hagerstown, Maryland. Dr. Khan is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Childhood Iron Deficiency Anemia, Familial Colorectal Cancer, Paget Disease of the Breast, and Melanoma. Dr. Khan is currently accepting new patients.

Fouad Abbas is an Obstetrics and Gynecologist in Baltimore, Maryland. Dr. Abbas is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Endometrial Cancer, Malignant Mixed Mullerian Tumor, Sertoli-Leydig Cell Tumor, Oophorectomy, and Ureteroscopy.

Alida Espinoza is a Hematologist Oncology specialist and an Oncologist in Silver Spring, Maryland. Dr. Espinoza is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia. Dr. Espinoza is currently accepting new patients.

Charles Boice is a Gynecologic Oncologist and an Oncologist in Glen Burnie, Maryland. Dr. Boice is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Cervical Cancer, Neuroendocrine Carcinoma of the Cervix, Malignant Mixed Mullerian Tumor, Hernia Surgery, and Oophorectomy. Dr. Boice is currently accepting new patients.

Vadim Gushchin is a Surgical Oncologist in Lutherville, Maryland. Dr. Gushchin is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. His top areas of expertise are Pseudomyxoma Peritonei, Colorectal Cancer, Familial Colorectal Cancer, Ureteral Reconstruction, and Small Bowel Resection. Dr. Gushchin is currently accepting new patients.

Mahsa Mohebtash is a Hematologist Oncology specialist and a Hematologist in Baltimore, Maryland. Dr. Mohebtash is rated as an Advanced provider by MediFind in the treatment of Desmoplastic Small Round Cell Tumor. Her top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Angiosarcoma, and Paget Disease of the Breast. Dr. Mohebtash is currently accepting new patients.