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Maureen R. Hewitt, MD

Maureen R. Hewitt, MD Physician

Clinical Associate of Medicine

Dr. Hewitt is employed by Penn Medicine.

About Dr. Maureen R. Hewitt

Recognized by America's Top Doctors 2015 - 2017

Recognized in Philadelphia magazine's annual Top Docs issues for 2018 and 2019

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.

Overall Ratings

Clinical Specialties


  • Hematology
  • Medical Oncology

Programs & Centers:

Board Certification:

  • Hematology, 2009
  • Medical Oncology, 2008

Clinical Expertise:

  • All Cancer Types
  • Anal Cancer
  • Anemia
  • Bile Duct Cancer (Cholangiocarcinoma)
  • Breast Cancer
  • Colon Cancer
  • Esophageal Cancer
  • Gallbladder Cancer
  • Gastrointestinal Cancer
  • Liver Cancer
  • Lung Cancer
  • Lung Carcinoid Tumor
  • Lymphoma
  • Non-Hodgkin Lymphoma
  • Non-Small Cell Lung Cancer
  • Pancreatic Cancer
  • Rectal Cancer
  • Small Cell Lung Cancer
  • Stomach Cancer (Gastric Cancer)

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Qualcare
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Provider Partners Health Plan
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program

Education and Training

Medical School: Louisiana State University School of Medicine
Residency: Hospital of the University of Pennsylvania
Fellowship: Hospital of the University of Pennsylvania


American Association of Cancer Research, National American Society of Clinical Oncology, National

Hospital Affiliation

Dr. Hewitt is employed by Penn Medicine.

Hospital Privileges:

  • Chester County Hospital: 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.


Selected Publications:

Traynor AM, Hewitt M, Liu G, Flaherty KT, Clark J, Freedman SJ, Leighton AM, Watson PA, Zhao B, O'Dwyer PJ, Wilding G.: Phase I dose escalation study of MK-0457, a novel Aurora kinase inhibitor, in adult patients with advanced tumors. Cancer Chemother Pharmacol : 2010.

Hewitt MR, Sun W.: Oxaliplatin-Associated Hypersensitivity Reactions: Clinical Presentation and Management Clinical Colorectal Cancer 2 (6): 114-117,2006.

Hewitt M, Sun W, Haller DG, Mykulowycz K, Tuite C, Rosen M, Caparro M, Giantonio B, Oltoff K.: A phase II trial of the Combination of Capecitabine, Oxaliplatin with Bevacuzynab in the Treatment of Advanced Hepatocellular Carcinoma Preliminary Safety Analysis. Proceedings of the American Society of Clinical Oncology : 2006.

Hewitt MR, Haller DG.: Adjuvant Therapy for Colon Cancer, Yesterday, Today and Tomorrow The Article Reviewed Oncology (Williston Park) 20 : 473-475,2006.

Hewitt MR, Yu K.: Treatment Update for Metastatic Pancreatic Cancer Community Oncology 3 : 28-430,2006.

Hewitt M, Porter DL, Hummel K, McAlee A, Phillips J, Stadtmauer E, Schuster S, Luger S, Nasta S, Tsai D, Loren A, Perl A, Emerson S, Goldstein SC.: Myeloablative vs. Non-Myeloablative Conditioning with Allogeneic Stem Cell Transplantation for High Risk Non-Hodgkin's Lymphoma. Similar Outcomes Despite Differences in Disease Risk Proceedings of the American Society of Bone Marrow Transplantation : 2005.

DeCoster MA, Hewitt MR, Lambeau M, Lascunski M, Bazan NG: Modulation of Neuronal Sensitivity to Glutamate by Secretory Phospholipases A2 (SPLA2s) Proceedings of the Society for Neuroscience : 1997.

Academic Contact Info

Penn Hematology/Oncology
Suite 201
440 East Marshall Street

West Chester, PA 19380
Phone: (610) 738-2500
Patient appointments: 800-789-7366 (PENN)