Overview
Randall Oyer is a Hematologist Oncology specialist and an Oncologist in Lancaster, Pennsylvania. Dr. Oyer is rated as an Advanced provider by MediFind in the treatment of Sertoli-Leydig Cell Tumor. His top areas of expertise are Paget Disease of the Breast, Ovarian Cancer, Virilizing Ovarian Tumor, and Ovarian Carcinosarcoma.
His clinical research consists of co-authoring 26 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:
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- OTHER MEDICARE PART D
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- 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
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.
Skip Viragh Outpatient Cancer Center
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 Sertoli-Leydig Cell Tumor. Her top areas of expertise are Ovarian Cancer, Endometrial Cancer, Cervical Cancer, Tissue Biopsy, and Salpingo-Oophorectomy.
St Paul Place Specialists, Inc.
Panayotis Ledakis is a Hematologist Oncology specialist and an Oncologist in Baltimore, Maryland. Dr. Ledakis is rated as an Elite provider by MediFind in the treatment of Sertoli-Leydig 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.
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
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 a Distinguished provider by MediFind in the treatment of Sertoli-Leydig Cell Tumor. Her top areas of expertise are Ovarian Carcinosarcoma, Sertoli-Leydig Cell Tumor, Testicular Yolk Sac Tumor, and Ovarian Cancer.
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
- BRCA Positive Breast CancerDr. Oyer isAdvanced. Learn about BRCA Positive Breast Cancer.
- HER2 Negative Breast CancerDr. Oyer isAdvanced. Learn about HER2 Negative Breast Cancer.
- Li-Fraumeni SyndromeDr. Oyer isAdvanced. Learn about Li-Fraumeni Syndrome.
- Malignant Mixed Mullerian Tumor
- Ovarian CancerDr. Oyer isAdvanced. Learn about Ovarian Cancer.
- Ovarian CarcinosarcomaDr. Oyer isAdvanced. Learn about Ovarian Carcinosarcoma.
- Experienced
- Acute Lymphoblastic Leukemia (ALL)Dr. Oyer isExperienced. Learn about Acute Lymphoblastic Leukemia (ALL).
- Adult Soft Tissue SarcomaDr. Oyer isExperienced. Learn about Adult Soft Tissue Sarcoma.
- Alveolar Soft Part SarcomaDr. Oyer isExperienced. Learn about Alveolar Soft Part Sarcoma.
- AngiosarcomaDr. Oyer isExperienced. Learn about Angiosarcoma.
- Bone TumorDr. Oyer isExperienced. Learn about Bone Tumor.
- Breast CancerDr. Oyer isExperienced. Learn about Breast Cancer.

