Overview
Roy Williams is an Oncologist and a Hematologist Oncology provider in Lewistown, Pennsylvania. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Iron Deficiency Anemia, and Inflammatory Breast Cancer.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- HMO
- POS
- PPO
Locations
The Milton S Hershey Medical Center Physicians Group
Erik Rupard is a Hematologist Oncology specialist and an Oncologist in Hershey, Pennsylvania. Dr. Rupard is rated as a Distinguished provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Chronic Familial Neutropenia, B-Cell Lymphoma, Non-Hodgkin Lymphoma, and Multiple Myeloma. Dr. Rupard is currently accepting new patients.
Geisinger Clinic
David Kotlyar is a Hematologist Oncology specialist and an Oncologist in Lewistown, Pennsylvania. Dr. Kotlyar has been practicing medicine for over 16 years and is rated as an Advanced provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Non-Hodgkin Lymphoma, Testicular Cancer, Teratoma of the Mediastinum, and Iron Deficiency Anemia.
Kevin Lorentsen is a Hematologist Oncology specialist and a Hematologist in Chambersburg, Pennsylvania. Dr. Lorentsen is rated as a Distinguished provider by MediFind in the treatment of Multiple Carboxylase Deficiency. His top areas of expertise are Thrombocytopenia, Childhood Iron Deficiency Anemia, Subacute Combined Degeneration, and Iron Deficiency Anemia.
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
- Familial Colorectal CancerDr. Williams isAdvanced. Learn about Familial Colorectal Cancer.
- Paget Disease of the BreastDr. Williams isAdvanced. Learn about Paget Disease of the Breast.
- Experienced
- Acute Mountain SicknessDr. Williams isExperienced. Learn about Acute Mountain Sickness.
- ALK-Positive Non-Small Cell Lung CancerDr. Williams isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- AnemiaDr. Williams isExperienced. Learn about Anemia.
- AngiosarcomaDr. Williams isExperienced. Learn about Angiosarcoma.
- Antiphospholipid SyndromeDr. Williams isExperienced. Learn about Antiphospholipid Syndrome.
- Aplastic AnemiaDr. Williams isExperienced. Learn about Aplastic Anemia.