Provider Profile | Penn Medicine

James M. Patterson, MD

Hematology, Medical Oncology

4.9

(773)

Accepting new patients

Sees patients age 18 and up

Abramson Cancer Center West Chester

View 2 additional locations

Make an appointment Call 800-789-7366

Penn Medicine Provider

About me

Education and training

Medical School: Eastern Virginia Medical School
Residency: University of Pennsylvania Health System
Fellowship: University of Pennsylvania Health System

What my patients think about me

Average Rating

4.9

773 reviews

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.

February 2026

5.0

informative

January 2026

5.0

took his to to talk to me

January 2026

5.0

very responsive, informative and a path forward..

January 2026

5.0

efficient reassuring good social skills

Insurance accepted

Aetna

Amerihealth Caritas (Transplant patients only)

Centivo

Cigna Healthcare

Claim Watcher (Homestead/INDECs)

Clover Health

Devoted Health Plan

Geisinger Health Plan

Global Medical Management

HealthAmerica / HealthAssurance, a Coventry Plan

Highmark Blue Shield

Highmark Wholecare (fka Gateway Health)

Humana Medicare

Humana Military (Tricare/Health Net Federal Services)

Imagine Health (Imagine Health 360)

Independence Blue Cross (IBC)

Jefferson Health Plans/Health Partners

Keystone First Health Plan

Medicaid - Pennsylvania

Medicare - Pennsylvania

Oscar Health Plan of PA

Oxford Health Plan

PA Health & Wellness

Perennial Advantage

Preferred Health Care/Eliance

Provider Partners Health Plan

Qualcare

Rail Road Medicare/Palmetto GBA

UnitedHealthcare

UnitedHealthcare Community Plan of PA

UPMC Health Plan

US Family Health Plan

VA Insurance (Veteran's CCN)

My Locations

Abramson Cancer Center Kennett Square

Suite 300

400 McFarlan Road, Kennett Square, PA, 19348

800-789-7366

Learn about location

Abramson Cancer Center Exton

700 West Lincoln Highway, Suite 720

The Commons at Oaklands, Exton, PA, 19341

800-789-7366

Learn about location

Abramson Cancer Center West Chester

Suite 101

440 East Marshall Street, West Chester, PA, 19380

800-789-7366

Learn about location

Penn Medicine hospital privileges

Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
Penn Presbyterian Medical Center: On the medical staff, but does not have privileges to treat patients in the hospital.
Chester County Hospital: Has privileges to treat patients in the hospital.

Dr. Patterson is a Penn Medicine physician.

Qualifications and experience

Board certifications

Programs

Treatments and Conditions

Abnormal bleeding
Abnormal bruising
Abnormal clotting time
Abnormal INR test

Alpha thalassemia
Anal cancer
Anemia
Anticardiolipin antibodies
Antiphospholipid antibodies
Antiphospholipid syndrome
Antithrombin deficiency
Appendiceal tumor
Arterial thrombosis
Atypical hemolytic uremic syndrome (HUS)
Autoimmune hemolytic anemia
Bernard-Soulier syndrome
Beta thalassemia
Beta thalassemia intermedia
Bile duct cancer (Cholangiocarcinoma)
Bladder cancer
Bleeding disorders in women
Blood clots
Blood coagulation factor IX
Blood coagulation factor VIII
Budd-Chiari syndrome
Cerebral venous sinus thrombosis (CSVT)
Clotting disorders
Cold agglutinin disease
Colon cancer
Colorectal cancer
Cryoglobulinemia
Deep vein thrombosis
Disseminated intravascular coagulation
Drug induced thrombocytopenia
Dysfibrinogenemia
Dyskeratosis congenita
Enlarged spleen (Splenomegaly)
Eosinophilia (High blood eosinophil count)
Erythrocytosis
Esophageal cancer
Essential thrombocythemia
Factor II deficiency
Factor V deficiency
Factor V leiden
Factor VII deficiency
Factor X deficiency
Factor XI deficiency
Fanconi anemia (FA)
G6PD deficiency
Gallbladder cancer
Gastric cancer (Stomach cancer)
Gastrointestinal cancer
Gastrointestinal stromal tumor
Genitourinary cancer
Glanzmann thrombasthenia
Hematoma
Hemochromatosis
Hemoglobin H disease (HbH)
Hemolytic anemia
Hemophilia A
Hemophilia B (Christmas disease)
Heparin-induced thrombocytopenia
Hepatocellular carcinoma
Hereditary elliptocytosis
Hereditary hemochromatosis
Hereditary hemorrhagic telangiectasia (HHT)
Hereditary pyropoikilocytosis
Hereditary spherocytosis
High ferritin level
High hematocrit
High hemoglobin
Hypercoagulable states
Hypereosinophilia
Hyperfibrinogenemia
Hypergammaglobulinemia
Immune thrombocytopenic purpura (ITP)
Iron deficiency anemia
Kidney cancer
Leukocytosis (High white blood count)
Leukopenia (Low white blood cell count)
Liver cancer
Low hemoglobin
Lung cancer
Lung nodule
Lupus anticoagulant disorder
Lymphadenopathy (Enlarged lymph nodes)
Lymphatic disease
Lymphocytosis (High lymphocyte count)
Lymphopenia (Low lymphocyte count)
Megaloblastic anemia
Menorrhagia (Heavy period)
Mesenteric vein thrombosis
Mesothelioma
Monoclonal gammopathy
Monoclonal gammopathy of undetermined significance
Myelofibrosis
Myeloproliferative disease
Myeloproliferative neoplasms (MPNs)
Neonatal alloimmune thrombocytopenia (NAIT)
Neuroendocrine tumors
Neutropenia (Low neutrophil count)
Non-small cell lung cancer
Osler-Weber-Rendu syndrome
Pancreatic cancer
Pancytopenia (Low blood cell count)
Paraganglioma
Paroxysmal nocturnal hemoglobinuria (PNH)
Penile cancer
Pernicious anemia
Platelet function disorder
Polycythemia
Polycythemia vera
Porphyria
Portal vein thrombosis (PVT)
Postphlebitic syndrome
Postthrombotic syndrome
Prostate cancer
Protein C deficiency
Protein S deficiency
Prothrombin gene mutation
Pulmonary embolism
Pure red-cell aplasia (PRCA)
Pyruvate kinase deficiency (PK Deficiency)
Qualitative platelet disorder
Rectal cancer
Recurrent pregnancy loss
Sickle cell disease
Small bowel cancer
Small cell lung cancer
Spherocytosis
Storage pool disorder
Stroke and blood disorder
Superficial phlebitis
Superficial venous thrombosis
Testicular cancer
Thalassemia
Thrombocytopenia (Low platelet count)
Thrombocytosis (High platelet count)
Thrombophilia (Excessive blood clotting)
Thrombotic thrombocytopenic purpura (TTP)
Transfusional iron overload
Transient ischemic attack
Urethral cancer
Vascular anomaly
Vascular disease
Venous thromboembolism
Vitamin B12 deficiency
Von Willebrand disease

(144)

About me

Education and training

What my patients think about me

773 reviews

Insurance accepted

Aetna

Amerihealth Caritas (Transplant patients only)

Centivo

Cigna Healthcare

Claim Watcher (Homestead/INDECs)

Clover Health

Devoted Health Plan

Geisinger Health Plan

Global Medical Management

HealthAmerica / HealthAssurance, a Coventry Plan

Highmark Blue Shield

Highmark Wholecare (fka Gateway Health)

Humana Medicare

Humana Military (Tricare/Health Net Federal Services)

Imagine Health (Imagine Health 360)

Independence Blue Cross (IBC)

Jefferson Health Plans/Health Partners

Keystone First Health Plan

Medicaid - Pennsylvania

Medicare - Pennsylvania

Oscar Health Plan of PA

Oxford Health Plan

PA Health & Wellness

Perennial Advantage

Preferred Health Care/Eliance

Provider Partners Health Plan

Qualcare

Rail Road Medicare/Palmetto GBA

UnitedHealthcare

UnitedHealthcare Community Plan of PA

UPMC Health Plan

US Family Health Plan

VA Insurance (Veteran's CCN)

My Locations

Abramson Cancer Center Kennett Square

Abramson Cancer Center Exton

Abramson Cancer Center West Chester

Penn Medicine hospital privileges

Qualifications and experience

Board certifications

Programs

Treatments and Conditions

148Conditions

2Treatments