Hematologist/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 the 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.
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Daniel Altman, MD
Dr. Daniel Altman has been a member of Chester County Hospital’s medical staff since 2020. He received his medical degree from Thomas Jefferson University in Philadelphia, PA. He completed his residency in Internal Medicine and his fellowship in Hematology and Oncology at Thomas Jefferson University, as well. He is board-certified in Internal Medicine and board-certified in Hematology and Medical Oncology.
Dr. Altman remains committed to clinical research and has participated in multiple studies during his time with the Sidney Kimmel Cancer Center. He is a member of the American Society of Clinical Oncology, American Society of Hematology, the Pennsylvania Medical Society and American Medical Association. Dr. Altman was named a "Top Doc” by Main Line Today in 2021.
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Meher Burki, MD
Dr. Meher Burki has been a member of Chester County Hospital’s medical staff since 2014. She 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. She also completed her Fellowship in Hematology/Oncology at Fox Chase Cancer Center/Temple University Hospital in Philadelphia, PA and is board-certified in Internal Medicine, Hematology and Medical Oncology.
Dr. Burki is fluent in English, Urdu, Hindi and Punjabi. She is a medical oncologist with Penn Hematology/ Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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Michael Costello, MD
Dr. Michael Costello has been a member of Chester County Hospital’s medical staff since 2011 and serves as Medical Director of the Abramson Cancer Center at Chester County Hospital. He received his undergraduate degree from King’s College in Wilkes-Barre, Pennsylvania and his medical degree from Milton S. Hershey Medical Center, Pennsylvania State University in Hershey, Pennsylvania. Dr. Costello completed his residency in Internal Medicine at Temple University Hospital in Philadelphia. He completed a fellowship in Hematology and Oncology at the Fox Chase Cancer Center in Philadelphia and is board-certified in Internal Medicine and in Hematology and Oncology.
Dr. Costello is a medical oncologist with Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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Maureen Hewitt, MD
A member of Chester County Hospital’s medical staff since 2007, Dr. Maureen Hewitt serves as the Assistant Medical Director of the Abramson Cancer Center at Chester County Hospital.
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.
She is a medical oncologist with Penn Hematology/ Oncology and has been recognized as a “Top Doc” by Main Line Today and Philadelphia magazines.
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Cheryl A. Johnson, MD
A member of Chester County Hospital's 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 Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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William E. Luginbuhl, MD
A member of Chester County Hospital’s medical staff since 1993, Dr. William 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. He is board certified in Internal Medicine, Hematology and Oncology.
He is a medical oncologist with Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
Dr. Luginbuhl lives with his wife in West Chester, PA and is proud to be a member of the community. He has two adult daughters, enjoys gardening and has an interest in antique cars.
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James M. Patterson, MD
Dr. James Patterson has been a member of Chester County Hospital’s medical staff since 2000. He received his medical degree from 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 Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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Zachary Quinn, MD
Dr. Quinn earned his medical degree from Drexel University College of Medicine. He completed his residency at Tulane Medical Center. Afterward, he completed his fellowship at Thomas Jefferson University Hospital. Board-eligible in the field of Internal Medicine, Dr. Quinn practices at Abramson Cancer Center/Chester County Hospital in West Chester, PA and Kennett Square, PA. He is board-certified in Hematology and Oncology.
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Sunil Saroha, MD
Dr. Sunil Saroha has been a member of Chester County Hospital’s medical staff since 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 and Thomas Jefferson University Hospital in Philadelphia where he was Chief Medical Resident. Dr. Saroha completed a fellowship in Hematology and Oncology at the Fox Chase Cancer Center in Philadelphia and is board-certified in Hematology and Oncology.
He is a medical oncologist with Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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Michele T. Tedeschi, MD
Dr. Michele Tedeschi has been a member of Chester County Hospital’s medical staff since 1997. She received her medical degree and completed an internship and residency in Internal Medicine at Temple University where she was Chief Resident. 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.
Dr. Tedeschi is a medical oncologist with Penn Hematology/Oncology and has been recognized as a “Top Doc” by Main Line Today magazine.
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Maria Vershvovsky, MD
Dr. Vershvovsky received a medical degree from Jefferson Medical College of Thomas Jefferson University. She continued her medical trining at Thomas Jefferson University where she completed her residency in Internal Medicine and her fellowship in Hematology and Medical Oncology. During her tenure at Thomas Jefferson University, she was active in the Oncology Subcommittee and Oncology Care Model Research Task Force. She is board-certified in Internal Medicine and board-certified in Hematology and Medical Oncology. She is a member of the American Society of Clinical Oncology, the American Society of Hematology and the Pennsylvania Medical Society.
Dr. Vershvovsky is originally from St. Petersburg, Russia but grew up in the United States. She is fluent in both English and Russian. She is available to see Hematology and Oncology patients in the West Chester and Kennett Square offices.
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Nurse practitioners at the Abramson Cancer Center focus on the overall care of a patient with cancer. They are there from the moment someone is diagnosed to life-long surveillance and follow-up once treatment is completed. Nurse practitioners communicate with physicians about a patient's care plan and work with patient service representatives and nurses to ensure the plan is implemented. Our nurse practitioners are also experts in pain and symptom management, and prescribe medications needed to support patients at the beginning of chemotherapy and throughout their treatment schedule.
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Joanne Welk Boyk, MSN, CRNP, AOCNP
Joanne has been a member of Chester County Hospital’s medical staff since 2007. She received her Bachelor of Science in Nursing from Bloomsburg University and her Master of Science in Nursing from the University of Pennsylvania. She is certified as an Adult Nurse Practitioner as well as an Advanced Oncology Nurse Practitioner.
Joanne is currently the Clinical Lead Nurse Practitioner at the Abramson Cancer Center at Chester County Hospital. She practices at Penn Hematology/Oncology in West Chester, Exton and Kennett Square.
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Sandy Camarota, MSN, CRNP, AOCNP
Sandy joined Chester County Hematology Oncology Services in 2001. She received her Bachelor of Science in Nursing from Thomas Jefferson University and her Master of Science in Nursing from Neumann University. She is certified as an Adult Gerontology Primary Care Nurse Practitioner. She earned her chemotherapy certification from the University of Pennsylvania and advanced oncology nurse practitioner certification from the Oncology Nursing Society.
Sandy is currently a Nurse Practitioner at the Abramson Cancer Center at Chester County Hospital and is the Survivorship Nurse Practitioner for the cancer program.
She practices at Penn Hematology/Oncology in West Chester and Exton.
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Amber Dawn Haymore, MSN, CRNP, AGACNP-BC
A member of Chester County’s Hospital staff since 2016 and a Penn Medicine employee since 2014, Amber received her Bachelor of Science in Nursing from Pennsylvania State University. She received her Master of Science in Nursing and Post-Master’s certificate as an Adult Oncology Specialist from the University of Pennsylvania. She is certified as an Adult-Gerontology Acute Care Nurse Practitioner.
Amber practices at Penn Hematology/Oncology in West Chester, Exton and Kennett Square.
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Nicole Mukalian, MSN, RN, AGPCNP-BC
A member of Chester County Hospital’s medical staff since 2017, Nicole received her Bachelor of Science and Master of Science in Nursing from Molloy College in New York. She is certified as an Adult-Gerontology Primary Care Nurse Practitioner.
Nicole practices at Penn Hematology/Oncology in West Chester, Exton and Kennett Square.
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Bethany Sterling, MSN, CRNP, AOCNP, ANP-BC
Bethany received her Bachelor of Science in Nursing from the University of Delaware and began her nursing career at the Hospital of the University of Pennsylvania in 2007 on the Hematology/Oncology/Bone Marrow Transplant Unit. While practicing as a clinical nurse, she pursued her Master of Science in Nursing from the University of Pennsylvania. After completing her MSN, she practiced as a Nurse Practitioner in Surgical Orthopedic Oncology at Penn Medicine’s Abramson Cancer Center in Philadelphia and at the Children’s Hospital of Philadelphia.
In 2017, she joined the Abramson Cancer Center at Chester County Hospital. She is certified as an Advanced Oncology Nurse Practitioner and Adult Health Nurse Practitioner. She is passionate about caring for the oncology patient and active in many local and national organizations to support research and funding for a cure.
Bethany practices at Penn Hematology/Oncology in West Chester and Exton.
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Cynthia Wagner, MSN, CRNP, AGACNP-BC
A member of Chester County Hospital’s medical staff since 2017, Cynthia received her Bachelor of Science in Nursing from West Chester University and her Nurse Practitioner Masters from the University of Pennsylvania. She is Board-Certified as an Advanced-Oncology Nurse Practitioner, Adult-Geriatric Nurse Practitioner and Family-Health Nurse Practitioner, and Board-Certified in Pain Management. Cynthia practices at Penn Hematology-Oncology in West Chester and Exton.
Board Certification: Advanced-Oncology Nurse Practitioner (2019), Adult-Geriatric Acute Care Nurse Practitioner (2014), Family Health Nurse Practitioner (2011), Pain Management (2008).
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