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William G. Merriam, MD
MidLantic Urology
Urology
Coatesville, Paoli, West Chester
Most recent review: 5 days ago
New
4.9
925 Ratings
278 Comments
Dr. William G. Merriam, M.D. brings a mixture of incredible skill and compassionate bedside manner to the Midlantic Urology group. An avid Redskins fan, he grew up outside of Washington, D.C. After graduating from Georgetown University, where he majored in Chemistry, with minors in Psychology and Hoya Basketball, he accepted a prestigious 2-year fellowship at the National Cancer Institute. Following that, he traveled north to Philadelphia for medical school at MCP Hahnemann.
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4.9
925 Ratings
278 Comments
Dr. William G. Merriam, M.D. brings a mixture of incredible skill and compassionate bedside manner to the Midlantic Urology group. An avid Redskins fan, he grew up outside of Washington, D.C. After graduating from Georgetown University, where he majored in Chemistry, with minors in Psychology and Hoya Basketball, he accepted a prestigious 2-year fellowship at the National Cancer Institute. Following that, he traveled north to Philadelphia for medical school at MCP Hahnemann.
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Most recent review: 5 days ago
• 278 total reviews
The reviews listed below were collected independently of MidLantic Urology through rater8. Each review represents an authentic and verified patient experience.
Coatesville
213 Reeceville Rd Suite 24
Coatesville, PA 19320
Coatesville, PA 19320
Paoli (2 Industrial Blvd)
2 Industrial Boulevard
Building C, Suite 120
Paoli, PA 19301
Building C, Suite 120
Paoli, PA 19301
West Chester
915 Old Fern Hill Road
Building B, Suite 202
West Chester, PA 19380
Building B, Suite 202
West Chester, PA 19380
Dr. William G. Merriam, M.D. brings a mixture of incredible skill and compassionate bedside manner to the Midlantic Urology group. An avid Redskins fan, he grew up outside of Washington, D.C. After graduating from Georgetown University, where he majored in Chemistry, with minors in Psychology and Hoya Basketball, he accepted a prestigious 2-year fellowship at the National Cancer Institute. Following that, he traveled north to Philadelphia for medical school at MCP Hahnemann, where he graduated as a member of the AOA Honors Society. He completed his Urologic Surgery Residency at Jefferson University and joined Midlantic Urology immediately thereafter. A talented surgeon, Dr. Merriam chose Urologic Surgery as his specialty as it allows him to utilize his surgical skills and build ongoing relationships with his patients. His goal has always been to help improve the health of his patients and his community. He focuses on providing and expanding, the options for less invasive treatment modalities for diseases of the prostate and kidney. He believes in a collaborative approach to solving problems and in making sure patients understand, and participate in, the decisions surrounding their health. Dr. Merriam resides with his wife, also a physician, and his two daughters. He enjoys playing soccer, skiing with his family, and working in his garden.
AREAS OF EXPERTISE
–Robotic Surgery
–Laparoscopy
–Stone Treatment
–Benign and Cancerous Disorders of the Prostate, Bladder, and Kidney
–Member Alpha Omega Alpha medical honor society
UNDERGRADUATE EDUCATION
Georgetown University
MEDICAL DEGREE
Drexel University College of Medicine, formerly MCP Hahnemann School of Medicine
RESIDENCY
Thomas Jefferson University
CERTIFICATIONS
American Board of Urology
ASSOCIATIONS
–Americal Urological Association
–Medical Executive Committee, Main Line Health
–Medical Executive Committee, Keystone Lithotripsy
–Chief of Urology, Brandywine Hospital
MAJOR ACCOMPLISHMENTS
–Top Doc, Philadelphia Magazine, 2017, 2018, 2022
–Top Doc, Main Line Today, 2010-2018
© 2026 All Rights Reserved. rater8.
Dr. Merriam was very understanding on how I felt knowing that I have prostate cancer. He made me feel very comfortable in describing my options and going into the details so I could make the decision on my next step, I would recommend Dr, Merriam to anyone in my situation. I left the office feeling a little bit relieved. Thank you Dr. Merriam.
Very compassionate, listen to me and I felt heard. Took the time to explain to me about what was going on.
Excellent listener and doctor. I have complete trust in his knowledge and experience and know that I am in good hands.
He's welcoming and friendly but very through..explained everything in detail ..left feeling I was under control..and being guided by a extremely competent medical professional
Professional, courteous and knowledgeable. Put me at my ease and answered all of my questions.
Professional, kind, and provided clear information
he is a great doctor , am a very old stubborn german, every time a pleasure to see him , simple easy = he is good, i trust him noi easy to find
Dr. Merriam gives you a through examination. He takes his time explaining all of your concerns.
Professional and takes good care of his patients
Patient focused. Open communication.