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CCHO Staff

Meet Our Hematologists-Oncologists

Hematologists-oncologists are specialists trained to care for patients with blood disorders and cancer. They coordinate with the patient's primary care physician, surgeon, radiation oncologist and others to ensure that care is integrated.

Our hematologist-oncologists have long-standing relationships with the experts at Penn's Abramson Cancer Center and frequently confer about patients and advances in cancer treatment. Further reflecting their commitment to providing leading-edge cancer care, our physicians regularly participate in regional and national medical conferences and seminars. They are affiliated with the Eastern Cooperative Oncology Group, a research consortium funded by the National Cancer Institute. This affiliation helps ensure our patients access to the latest cancer treatments available in the United States.

Dennis A. Berman, M.D.
A member of The Chester County Hospital Medical Staff since 1982, Dr. Berman serves as Medical Director for The Cancer Center of Chester County and Chairman of The Chester County Hospital Cancer Committee.

Dr. Berman received his medical degree at Temple University. He completed an internship and residency at Temple University, having served as Chief Resident from 1980-1981. He completed a fellowship in Hematology and Oncology at the University of Pennsylvania. He is Board Certified in Internal Medicine and Oncology. Dr. Berman is the founding member of Chester County Hematology Oncology at The Cancer Center of Chester County and has been instrumental in bringing state-of-the-art care to Chester County. He has been recognized as a "Top Doc" by Main Line Today magazine and was the recipient of the Russell R. Tyson Professional Achievement Award in 2003.

Meher Burki, M.D.
Dr. Burki received her degree from the Aga Khan University Medical College in Karachi, Pakistan. She completed her residency in Internal Medicine at Temple University School of Medicine in Philadelphia, Pennsylvania. She also completed her Fellowship in Hematology/Oncology at Fox Chase Cancer Center/Temple University Hospital in Philadelphia, Pennsylvania and is Board Certified in Internal Medicine.

Dr. Burki is fluent in English, Urdo, Hindi and Punjabi.

Dr. Burki is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Michael Costello, M.D.
Dr. Costello joined the Chester County Hospital Medical Staff in 2011. He received his undergraduate degree from King's College in Wilkes-Barre, PA and his medical degree from Milton S. Hershey Medical Center, Pennsylvania State University, in Hershey, PA. Dr. Costello completed his residency in Internal Medicine at Temple University Hospital in Philadelphia, PA. He completed a fellowship in Hematology and Oncology at the Fox Chase Cancer Center in Philadelphia, PA and is Board Certified in Internal Medicine and in Hematology and Oncology. Dr. Costello is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Bernard Greenberg, M.D.
A member of The Chester County Hospital Medical Staff since 2001, Dr. Greenberg received his medical degree from the Albert Einstein College of Medicine. He completed an internship and residency in Internal Medicine at the University of Pittsburgh and the University of Washington. He completed fellowship in Hematology and Oncology at the University of Washington and University of California - San Francisco. Prior to joining Chester County Hematology Oncology Services, Dr. Greenberg was appointed to the medical faculty at the University of California, the University of Arizona School of Medicine and the University of Connecticut. He was interim Chief of Hematology and Oncology at the University of Connecticut, from 1993-1999. He was an American Cancer Society Professor of Clinical Oncology from 1991-1996. Dr. Greenberg is Board Certified in Internal Medicine, Hematology and Oncology. He has been recognized by BestDoctors.com, a highly respected and comprehensive knowledge-based medical referral service, and Main Line Today magazine. He is a medical oncologist with Chester County Hematology and Oncology at The Cancer Center of Chester County.

David Grossman, M.D.
A member of The Chester County Hospital Medical Staff since 1989, Dr. Grossman is a graduate of the New Jersey Medical School. He completed an internship and residency at Rhode Island Hospital of Brown University and a fellowship in Hematology and Oncology at the Hospital of the University of Pennsylvania. Dr. Grossman is Board Certified in Internal Medicine, Hematology and Oncology. He is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County and serves as medical director of Neighborhood Hospice, part of The Chester County Hospital and Health System. He has been recognized as a "Top Doc" by Main Line Today magazine and is a frequent lecturer on end-of-life issues.

Maureen Hewitt, M.D.
A member of The Chester County Hospital Medical Staff since 2007, Dr Hewitt received her medical degree from Louisiana State University Health Science Center. She completed an internship and residency program in Internal Medicine at the Hospital of the University of Pennsylvania. She completed a fellowship in Oncology and Hematology at the Hospital of the University of Pennsylvania as well. Dr Hewitt is board certified in Internal Medicine, Hematology and Oncology. In 2009 and 2011, she was named a "Top Doc" from Main Line Today magazine. She is a medical oncologist with Chester County Hematology and Oncology at The Cancer Center of Chester County.

Cheryl A. Johnson, M.D.
A member of The Chester County Hospital Medical Staff since 1996, Dr. Johnson was trained at the Medical College of Pennsylvania. She completed an internship and residency in Internal Medicine at the Milton S. Hershey Medical Center, serving as Chief Resident of Internal Medicine from 1992-1993. She completed a fellowship in Hematology and Oncology at Fox Chase Cancer Center, serving as Chief Fellow from 1995-1996. Dr. Johnson is Board Certified in Hematology and Oncology. She is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Calvin Lu, M.D.
A member of The Chester County Hospital Medical Staff since 1983, Dr. Lu was trained at the Johns Hopkins University School of Medicine. He completed an internship and residency in Internal Medicine at Case Western Reserve University Hospital. He completed a fellowship in Oncology at Johns Hopkins Oncology Center. Dr. Lu is Board Certified in Internal Medicine and Oncology. In 2009, he was named a Top Doc from Main Line Today magazine. He is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County and serves as a member of The Chester County Hospital Cancer Committee, Chairman of the Blood Usage Committee and Chief of the Section of Hematology/Oncology at The Chester County Hospital.

William E. Luginbuhl, M.D.
A member of The Chester County Hospital Medical staff since 1993, Dr. Luginbuhl is a graduate of the University of Vermont. He completed an internship and residency in Internal Medicine at the University of Florida. He completed a fellowship in Hematology and Oncology at the University of Pennsylvania. Dr. Luginbuhl is Board Certified in Internal Medicine, Hematology and Oncology. In 2009, he was named a Top Doc from Main Line Today magazine. He is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County and serves as principal investigator for cancer research trials offered through the Cancer Center.

James M. Patterson, M.D.
A member of The Chester County Hospital Medical Staff since 2000, Dr. Patterson is a graduate of the Eastern Virginia Medical School. He completed an internship and residency in Internal Medicine at the Hospital of the University of Pennsylvania. He completed a fellowship in Hematology and Oncology at the Hospital of the University of Pennsylvania. He is Board Certified in Hematology and Oncology. He is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Sunil Saroha, M.D.
Dr. Saroha joined the Chester County Hospital Medical Staff in 2011. He received his medical degree from All India Institute of Medical Sciences in New Delhi, India. Dr. Saroha completed residencies at Graduate Hospital in Philadelphia, PA and Thomas Jefferson University Hospital in Philadelphia, PA, where he was Chief Medical Resident. Dr. Saroha completed a fellowship in Hematology and Oncology at the Fox Chase Cancer Center in Philadelphia, PA and is Board Certified in Internal Medicine and in Hematology and Oncology. Dr. Saroha is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Molly S. Stumacher, M.D.
A member of The Chester County Hospital Medical Staff since 2006, Dr. Stumacher received her undergraduate and medical degree from Harvard University and completed a residency in Internal Medicine at Brigham and Women's Hospital in Boston. She completed a fellowship in Hematology and Oncology at the University of Pennsylvania where she was Chief Fellow for Hematology Oncology in 2004-2005. In 2009, 2010 and 2011, she was named a "Top Doc" from Main Line Today magazine. She has also been named a "Top Doctor" by Philadelphia magazine in 2013. She is Board Certified in Internal Medicine, Hematology and Oncology. Dr. Stumacher is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Michele T. Tedeschi, M.D.
A member of The Chester County Hospital Medical Staff since 1997, Dr. Tedeschi received her medical degree and completed an internship and residency in Internal Medicine at Temple University. Following several years of practice as a primary care physician, Dr. Tedeschi completed fellowship training in Hematology and Oncology at the Fox Chase Cancer Center, serving as Chief Fellow from 2002-2003. She is Board Certified in Internal Medicine and Oncology. In 2009, she was named a Top Doc from Main Line Today magazine. Dr. Tedeschi is a medical oncologist with Chester County Hematology Oncology at The Cancer Center of Chester County.

Last Updated: 9/29/2014