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 Vitamin B12 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
Penn State Health Medical Group Andrews Patel Hematology/Oncology
Jihua Cheng is a Hematologist Oncology provider in Harrisburg, Pennsylvania. Dr. Cheng is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Anemia, and Pulmonary Embolism.
Penn State Health Medical Group Andrews Patel Hematology/Oncology
Margarita Gareis is a Hematologist Oncology provider in Camp Hill, Pennsylvania. Dr. Gareis is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Anemia, and Childhood Iron Deficiency Anemia.
Satish A Shah MD PC
Rene Rubin is a Hematologist Oncology specialist and a Hematologist in Gettysburg, Pennsylvania. Dr. Rubin is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Inflammatory Breast Cancer, Vitamin B12 Deficiency, and Bone Marrow Aspiration.
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.

