Overview
Andrew Orr is a primary care provider, practicing in Internal Medicine in Philadelphia, Pennsylvania. Dr. Orr is rated as an Experienced provider by MediFind in the treatment of Non-Langerhans-Cell Histiocytosis. His top areas of expertise are Rosai-Dorfman Disease, Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Reticulohistiocytoma.
His clinical research consists of co-authoring 10 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article in the study of Non-Langerhans-Cell Histiocytosis.
Insurance
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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.
Seasons Hospice & Palliative
Chengyu Liu is a primary care provider, practicing in Palliative Medicine and Internal Medicine in Newark, Delaware. Dr. Liu has been practicing medicine for over 23 years and is rated as an Advanced provider by MediFind in the treatment of Non-Langerhans-Cell Histiocytosis. His top areas of expertise are Alagille Syndrome, Teratoma of the Mediastinum, Acid Sphingomyelinase Deficiency (ASMD), and Cerebral Hypoxia.
Medical Oncology Hematology Consultants
Sujung Park is a Hematologist and an Internal Medicine provider in Middletown, Delaware. Dr. Park is rated as a Distinguished provider by MediFind in the treatment of Non-Langerhans-Cell Histiocytosis. Her top areas of expertise are Laryngeal Cancer, Oral Squamous Cell Carcinoma, Nasopharyngeal Carcinoma, Paget Disease of the Breast, and Gastrostomy.
Medical Oncology Hematology Consultants
Jamal Misleh is a Hematologist and an Internal Medicine provider in Middletown, Delaware. Dr. Misleh is rated as a Distinguished provider by MediFind in the treatment of Non-Langerhans-Cell Histiocytosis. His top areas of expertise are Large-Cell Immunoblastic Lymphoma, Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Neuroendocrine Tumor, Bone Marrow Aspiration, and Bone Marrow Transplant.
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
- Experienced
- Chronic Antibody-Mediated Rejection
- HistiocytosisDr. Orr isExperienced. Learn about Histiocytosis.
- Non-Langerhans-Cell HistiocytosisDr. Orr isExperienced. Learn about Non-Langerhans-Cell Histiocytosis.
- ReticulohistiocytomaDr. Orr isExperienced. Learn about Reticulohistiocytoma.
- Rosai-Dorfman DiseaseDr. Orr isExperienced. Learn about Rosai-Dorfman Disease.

