Meet Our Medical Team
Learn more about the doctors and physician's assistant at Urology Associates of Grand Rapids, PC.
Jeffrey B. Casamento, M.D.
In practice at Urology Associates since 1994.
Residency training:
- 1993-1994 Chief Resident, Urology - University of Rochester, Rochester, NY
- 1991-1993 Resident, Urology - University of Rochester, Rochester, NY
- 1990-1991 Associate Resident, Urology - University of Rochester, Rochester, NY
- 1988-1989 Intern, General Surgery - University of Rochester, Rochester, NY
Education:
- 1984-1988 Ohio State University College of Medicine, Doctor of Medicine
- 1980-1984 Ohio State University, Bachelor of Science in Biochemistry
Professional affiliations:
- Member of the American Medical Association
- Member of the American Urological Association
- Member of the Michigan State Medical Society
- Member of Kent County Medical Society
Certifications and licensures:
- Diplomat of the National Board of Medical Examiners
- Licensed to practice Medicine and Surgery in New York State
- Licensed to practice Medicine and Surgery in Michigan
- Board Certified; American Board of Urology
Erik M. Ratchford, D.O.
In practice at Urology Associates since 2012.
Residency training:
- 2011-2012 Chief Resident, Urology - Sparrow Hospital, Michigan State University
- 2009-2011 Resident, Urology - Sparrow Hospital, Michigan State University
- 2008-2009 Associate Resident, Urology, Sparrow Hospital, Michigan State University
- 2007-2008 Intern, Sparrow Hospital, Michigan State University Department of Surgery
Education:
- 2003-2007 Michigan State University, College of Osteopathic Medicine
- 1996-2000 Augustana College, Bachelor of Arts, Biology
Professional affiliations:
- American Urologic Association
- American College Osteopathic Surgeons
- American Osteopathic Association
- Michigan Urologic Society
Certifications and licensures:
- Licensed to Practice Medicine and Surgery in Michigan
- Board Certified; Amercian Osteopathic Board of Urological Surgery
Michael Kozminski, M.D.
In practice at Urology Associates since 2016.
Residency training:
- 2012-2016 Residency, Urology - University of Michigan
- 2011-2012 Internship, General Surgery - University of Michigan
Education:
- 2007-2011 University of Michigan Medical School, Doctor of Medicine
- 2003-2007 Northwestern University, Bachelor of Arts, Biological Science/Economics
Professional affiliations:
- Member of the American Urological Association
- Member of the Michigan State Medical Society
- Member of Kent County Medical Society
Certifications and licensures:
- Licensed to practice Medicine and Surgery
- Board Certified; American Board Of Urology
Chase Heilbronn, M.D.
In practice at Urology Associates since 2023.
Residency Training:
- 2019-2023 Residency, Urology – Indiana University School of Medicine
- 2018-2019 Internship, General Surgery – Indiana University School of Medicine
Education:
- 2014-2018: Wayne State University School of Medicine, Doctor of Medicine
- 2010-2014: Miami University, Bachelor of Science, Kinesiology
Professional Affiliations:
- Member of the American Urological Association, North Central Section
- Member of the Michigan State Medical Society
- Member of Kent County Medical Society
Certifications and licensures:
- Board Eligible; American Board of Urology
Marie Nizienski, PA-C
In practice at Urology Associates since 2011.
Residency training:
- 2010-2011 Family Medicine, Internal Medicine, General Surgery, OB-GYN, Emergency Medicine, Urology
Education:
- 2008-2011 Master of Science of Physician Assistant Studies - Grand Valley State University
- 2003-2007 Bachelor of Science - Biomedical Science - Grand Valley State University
Professional affiliations:
- American Academy of Physician Assistants
- Michigan Academy of Physician Assistants
Certifications and licensures:
- Physician Assistant - Certified
A trusted practice
Patients have been traveling to our offices from all around Western Michigan to receive the urological treatments they need since 1968.
Our great physicians and staff are ready to get you feeling better and on the road to recovery.
