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Matthew C. Brennan, MD

Matthew C. Brennan, MD Physician

Dr. Brennan is employed by or has a contract with Penn Medicine Lancaster General Health.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine Lancaster General Health.

Overall Ratings

Clinical Specialties

Specialty:

  • Hematology
  • Medical Oncology

Board Certification:

  • Hematology, 2015
  • Internal Medicine, 2012
  • Medical Oncology, 2015

Clinical Expertise:

  • Acute Lymphocytic Leukemia
  • Acute Myelogenous Leukemia
  • Acute Promyelocytic Leukemia
  • Adenocarcinoma of the Head and Neck
  • Adjuvant Chemotherapy
  • Adrenal Neoplasm
  • Adult T-Cell Leukemia
  • Adult T-Cell Lymphoma
  • AIDS Related Malignancies
  • All Cancer Types
  • Amyloidosis
  • Anal Cancer
  • Anaplastic Cancer of Thyroid
  • Anaplastic Large Cell Lymphoma
  • Anemia
  • Anemia and Bone Marrow Disorders
  • Anemia of Chronic Disease
  • Anemia of Pregnancy
  • Anticoagulation
  • Antiphospholipid Syndrome
  • Antithrombin Deficiency
  • Aplastic Anemia
  • Autoimmune Hemolytic Anemia
  • B12 Deficiency Anemia
  • Bile Duct Cancer (Cholangiocarcinoma)
  • Biological Targeted Therapy
  • Bladder Cancer
  • Bleeding Disorders
  • Blood Cancer
  • Blood Clot
  • Blood Clotting Disorders (Blood Coagulation)
  • Blood Disorders
  • Blood Platelet Disorders
  • Bone Marrow Biopsy
  • Bone Marrow Failure Syndromes
  • Bone Sarcoma
  • Bone Tumors
  • Brain Tumors
  • Breast Cancer
  • Burkitt Lymphoma
  • Cancer Chemotherapy
  • Cancer During Pregnancy
  • Cancer Pain
  • Cancer Survivor
  • Carcinoid Tumors
  • Carcinoma In Situ of Breast
  • Castleman Disease
  • Catastrophic Antiphospholipid Syndrome
  • Cervical Cancer
  • Chronic Lymphocytic Leukemia
  • Chronic Myelocytic Leukemia
  • Chronic Myelomonocytic Leukemia
  • Clinical Trials
  • CNS Lymphoma
  • Coagulation Disorders
  • Cold Agglutinin Disease
  • Colon Tumors
  • Colorectal Cancer
  • Cooley's Anemia
  • Cryoglobulinemia
  • Cutaneous Lymphoma
  • Deep Thrombophlebitis
  • Deep Vein Thrombosis
  • Diamond Blackfan Anemia
  • Dyskeratosis Congenita
  • Endocrine Complications of Cancer Therapy
  • Endometrial Cancer
  • Eosinophilic Granuloma
  • Erdheim-Chester Disease
  • Esophageal Cancer
  • Essential Thrombocytosis
  • Ewings Sarcoma
  • Factor Eight Disorder
  • Factor Nine Deficiency
  • Factor V Leiden
  • Fallopian Tube Cancer
  • Familial Aplastic Anemia
  • Fanconi Anemia
  • Folic Acid Deficiency
  • Follicular Cancer of Thyroid
  • Gallbladder Cancer
  • Gastrointestinal Cancer
  • Gastrointestinal Stromal Tumors (GIST)
  • Gestational Trophoblastic Disease
  • Giant Cell Tumor of the Bone
  • Glioblastoma
  • Glioma
  • Glucose-6-Phosphate Dehydrogenase Deficiency
  • Graft Versus Host Disease
  • Hairy Cell Leukemia
  • Hand-Foot Syndrome
  • HELLP Syndrome
  • Hematologic Malignancies
  • Hemochromatosis
  • Hemoglobinopathies
  • Hemolytic Anemia
  • Hemolytic Uremic Syndrome
  • Hemophilia
  • Heparin-Induced Thrombocytopenia
  • Hereditary Cancer Risk
  • Hereditary Spherocytosis
  • Histiocytosis
  • Hodgkin Lymphoma
  • Hypercoagulable State
  • Hypogammaglobulinemia
  • Idiopathic Thrombocytopenic Purpura
  • Immunotherapy
  • Inflammatory Breast Cancer (IBC)
  • Intraocular Lymphoma
  • Iron Deficiency Anemia
  • Iron Metabolism Disorders
  • Kaposi Sarcoma
  • Kidney Cancer
  • Large Granular Lymphocytic Leukemia
  • Laryngeal Cancer
  • Leiomyosarcoma
  • Leukemia
  • Leukocytosis
  • Leukopenia
  • Light Chain Disorders
  • Liver Cancer
  • Lung Cancer
  • Lupus Anticoagulant
  • Lymphoma
  • Lymphopenia
  • Male Breast Cancer
  • Malignant Neoplasm of the Ureter
  • Marginal Zone Lymphoma
  • Maternal Anticoagulation
  • Maternal Hematologic Disorders
  • Maternal Thrombophilia
  • Mediastinal Lymphoma
  • Medullary Cancer of Thyroid
  • Melanoma
  • Merkel Cell Carcinoma
  • Mesothelioma
  • Monoclonal Gammopathy of Undetermined Significance
  • Mouth Cancer (Oral Cancer)
  • Mucosa-Associated Lymphoid Tissue Lymphoma
  • Mucosal Melanoma
  • Multiple Myeloma
  • Myelodysplastic Syndromes (MDS)
  • Myeloproliferative Neoplasms (MPN)
  • Neoadjuvant Chemotherapy
  • Neuroendocrine Tumors
  • Neutropenia
  • Non-Hodgkin Lymphoma
  • Non-Small Cell Lung Cancer
  • Oropharyngeal Cancer
  • Osteosarcoma
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pancytopenia
  • Papillary Cancer of Thyroid
  • Paroxysmal Nocturnal Hemoglobinuria
  • Partial Thromboplastin Time Blood Test
  • Penile Cancer
  • Peripheral T-Cell Lymphoma
  • Pernicious Anemia
  • Petechiae
  • Pituitary Cancer
  • Plasma Cell Dyscrasia
  • POEMS Syndrome
  • Polycythemia
  • Porphyria
  • Postthrombotic Syndrome
  • Primary Myelofibrosis
  • Primary Systemic Amyloidosis
  • Prolymphocytic Leukemia
  • Prostate Cancer
  • Protein C Deficiency
  • Protein S Deficiency
  • Prothrombin Gene Mutation
  • Pure Red Cell Aplasia
  • Purpura
  • Rectal Cancer
  • Recurrent Thrombosis
  • Red Blood Cell Disorders
  • Refractory Anemia With Excess Blasts
  • Rhabdomyosarcoma
  • Sarcoma
  • Secondary Polycythemia
  • Sezary Syndrome
  • Sickle Cell Diseases
  • Sinus Cancer
  • Skin Cancer
  • Small Cell Lung Cancer
  • Soft Tissue Sarcoma
  • Spinal Tumor
  • Splenic Sequestration
  • Splenomegaly
  • Squamous Cell Carcinoma of the Head and Neck
  • Stomach Cancer (Gastric Cancer)
  • Sweat Gland Carcinoma
  • Testicular Cancer
  • Thalassemias
  • Thoracic Cancer
  • Throat Cancer
  • Thrombocytopenia
  • Thrombocytosis
  • Thrombophilia
  • Thrombotic Disorders
  • Thrombotic Thrombocytopenic Purpura
  • Thyroid Cancer
  • Transformed Lymphoma
  • Transitional Cell Carcinoma
  • Urethral Cancer
  • Uterine Cancer
  • Vaginal Cancer
  • Vaginal Melanoma
  • Venous-Occlusive Crisis
  • Von Willebrand Disease
  • Vulvar Cancer
  • Waldenstrom Macroglobulinemia (WM)
  • White Blood Cell Disorders
Show All Expertise

Practice Locations and Appointments

Recent Writings

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Capital Blue Cross
  • Cigna
  • Cigna HealthSpring
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • Highmark Blue Shield
  • Highmark Blue Shield Medicare
  • Humana / Choicecare
  • Humana / Medicare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/PA Preferred Health Networks
  • Rail Road Medicare / Palmetto GBA
  • Significa Benefit Services (fka EHP)
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • UPMC Health Plan
  • Veterans Choice Program
  • Vibra Health Plan

Education and Training

Medical School: Pennsylvania State University College of Medicine
Residency: Thomas Jefferson University Hospital
Fellowship: Penn State Milton S. Hershey Medical Center

Hospital Affiliation

Dr. Brennan is employed by or has a contract with Penn Medicine Lancaster General Health.

Hospital Privileges:

  • Lancaster General Hospital: Has privileges to treat patients in the hospital.