You can request appointments online with Drs. Ahmed, Gehrig, and Chapman. If you do not find a time convenient for you, please call our front desk at 763.316.4407 and we will find something that fits your schedule. Please note that our front desk staff will contact you within one business day to confirm your appointment.
Dr. Rehana Ahmed MD, PhD, Board Certified Dermatologist and Mohs Surgeon
Dr. Ahmed’s clinical expertise includes pediatric, general, surgical and cosmetic dermatology with special interests in skin cancer surgery/Mohs micrographic surgery, laser treatments and cosmetic procedures, including BOTOX®, Radiesse, Sculptra, Juvederm and Voluma. Dr. Ahmed is available for appointments in our Minnetonka and Burnsville locations.
Dr. Ahmed attended the Johns Hopkins University and graduated Phi Beta Kappa with a BA in Behavioral Biology. She graduated from the University of Minnesota School of Medicine, Alpha Omega Alpha. She completed her internship in Internal Medicine and her residency in Dermatology at the University of Minnesota. Dr. Ahmed is certified by the American Board of Dermatology and is an active member of several dermatological organizations. She comes to dermatology with a Ph.D. in Epidemiology and a background in clinical research. Her research emphasis includes cancer development and survivorship issues. She currently has a grant to test the effects of a new medication on squamous cell carcinoma and melanoma, and also works with a group at the University of Minnesota, lead by Dr. DeAnn Lazovich, to understand the effects of indoor tanning on melanoma. Dr. Ahmed's work has been published in the New England Journal of Medicine and JAMA, among other places. She is an Assistant Professor of Dermatology at the University of Minnesota, where she is active in research.
Dr. Ahmed was born and raised in Minneapolis, where she still lives. She enjoys traveling, cooking and spending time with family and friends. She is married and the proud mother of two.
Dr. Anna Kozlowski, MD, MS. Board Certified Dermatologist
Dr. Kozlowski, MD, MS, grew up in Fargo, ND, and recently completed her Dermatology residency training here in the Minneapolis Saint Paul metro at HealthPartners Park Nicollet. She has broad experience in Dermatology settings ranging from rural North Dakota to large Dermatology departments in Los Angeles, CA, as well as Tampa and Miami, FL.
After graduating summa cum laude with a B.S. in Zoology and Chemistry from North Dakota State University, she graduated Medical School at the University of North Dakota with both academic and humanism in medicine honors. Her internship in Internal Medicine was completed at Gundersen Health in La Crosse, WI. Dr. Kozlowski also has a master’s degree in Skin Biology from the University of Miami.
She is excited to start accepting patients of all ages, with a top interest in skin cancer diagnosis and treatment. Dr. Kozlowski enjoys spending time with her family, exploring the great outdoors and traveling, trying new foods and restaurants, and attending sporting events (especially basketball), as well as local musical theater.
We're not shy around here about singing the praises of our providers. Lakes Dermatology is led by seven whip-smart women, holding eight doctorates and ten board certifications from the American Board of Dermatology and the American Academy of Physician Associates.
Looking for smart? Smart lives here ;-)
Dr. Erin Sellinger, MD, Board Certified Dermatologist and Dermatopathologist
Erin Sellinger, MD, is a board-certified Dermatologist and Dermatopathologist who treats all conditions of the hair, skin and nails at Lakes Dermatology’s Burnsville location.
She received her Bachelor of Science degree from the University of Notre Dame. Upon completing her medical degree at the Sanford School of Medicine at the University of South Dakota, Dr. Sellinger received the Glasgow-Rubin Achievement Award for graduating first in her class. She was also inducted into the national medical honor society, Alpha Omega Alpha, while in medical school. She completed her Internship at Hennepin County Medical Center and her Dermatology residency and Dermatopathology fellowship at Saint Louis University. Dr. Sellinger has been named to Minneapolis St. Paul Magazine’s Top Doctor: Rising Star list in 2022 and 2023.
Dr. Sellinger is a Diplomate of the American Board of Dermatology and a member of the American Academy of Dermatology, American Society of Dermatopathology, and the Women’s Dermatologic Society. She has special interests in skin cancer screening and prevention and treating acne, rosacea, and psoriasis. She is currently accepting new adult and pediatric patients.
Dr. Marisa Chapman, MD, Board Certified Dermatologist
Dr. Chapman is a Board Certified Dermatologist who received her undergraduate degree at the University of Wisconsin – Madison and her medical degree and dermatology residency from the Medical College of Wisconsin. She specializes in comprehensive dermatology including preventative skin care, skin cancer detection and treatment of all skin, hair and nail conditions. She also specializes in skin rejuvenation, laser treatments and dermatologic surgery.
Dr. Chapman is a member of the American Society for Dermatologic Surgery, the American Academy of Dermatology, the Minnesota Dermatologic Society and the American Society for Laser Medicine & Surgery. She is certified by the American Board of Dermatology and has been elected as a ‘Top Doctor: Rising Star’ in Minneapolis St. Paul Magazine.
Dr. Chapman is available for appointments in our Minnetonka and Burnsville locations.
Libby Slosburg Ratner, PA-C, Board-Certified Physician Assistant
Libby Slosburg Ratner, PA-C, is a board-certified Physician Assistant who received her Bachelor of Arts degree from Northwestern University and her Master of Medical Science degree from the Yale School of Medicine Physician Associate Program. Her clinical interests include general dermatology, cosmetic dermatology, pediatric dermatology, skin cancer prevention and detection, and acne. Libby is accepting both pediatric and adult patients.
Libby comes to Lakes Dermatology with several years of clinical experience at a busy dermatology practice in Chicago. She is a member of the American Academy of Physician Assistants (AAPA), the Society of Dermatology Physician Assistants (SDPA), and the Minnesota Academy of Physician Assistants (MAPA). Libby also completed the SDPA Diplomate fellowship program, which is the premier training program for PAs in the field of dermatology.
Libby Slosburg is available for appointments at our Minnetonka and Burnsville locations.
Dr. Katy Gehrig, MD, Board Certified Dermatologist
Dr. Kathryn (Katy) Gehrig joined Lakes Dermatology in July of 2016. Prior to joining Lakes Dermatology, she practiced in the Twin Cities for 5 years. Dr. Gehrig’s clinical interests include general, pediatric, surgical, and cosmetic dermatology including BOTOX ®, Juvederm products, Voluma, Restylane products, Sculptra, and sclerotherapy (vein injections). Dr. Gehrig is available for appointments at our Minnetonka and Burnsville locations.
Dr. Gehrig graduated with honors from the University of Wisconsin Madison with a BA in psychology. She then obtained her MD degree from the University of Minnesota Medical School graduating with Alpha Omega Alpha honors. She completed her internship year at Hennepin County Medical Center in Minneapolis, then trained in dermatology at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. Dr. Gehrig has also volunteered for several summers at Camp Discovery, a camp for children with severe skin diseases in Northern Minnesota. She is an active member of the American Academy of Dermatology, Women’s Dermatologic Society, and American Society for Dermatology Surgery. Dr. Gehrig is certified by the American Board of Dermatology. She has been elected as a ‘Top Doctor: Rising Star’ in Minneapolis St. Paul Magazine, as well as a 'Top Doctor' and 'Top Doctor for Women' in Minnesota Monthly Magazine for several years.
Dr. Gehrig grew up in a suburb of St Paul, Minnesota, where her father still practices Internal Medicine. She currently lives in Minneapolis with her husband Jon, two children, and a dog. She enjoys spending time with family and friends, travel, gourmet cooking, photography, outdoor activities and boating at the family cabin. A college athlete, she remains active in many sports.
Dr. Nancy Leitch, MD, Board Certified Dermatologist
Dr. Leitch comes to Lakes Dermatology with over 20 years of clinical experience. She has been recognized several years as a Top Doc by Minneapolis/St. Paul magazine and a Top Doc for Women by Minnesota Monthly. She enjoys treating patients of all ages and has a special interest in skin cancer detection, acne, and psoriasis. She is also skilled in cosmetic dermatology, offering sclerotherapy (vein injections), Botox, and fillers including Restylane, Juvederm, Radisse, Sculptra and Voluma.
Dr. Leitch was raised in Litchfield, Minnesota where she became interested in medicine by watching her dad practice Family Medicine. She graduated from St. Olaf College Suma Cum Laude with a B.A. in Chemistry and was a junior initiate into Phi Beta Kappa. She then completed Medical School at the University of Minnesota, graduating AOA. After an internship at Hennepin County Medical Center, she did her residency at the University of Minnesota, completing the program in 1995.
Dr. Leitch is board certified by the American Board of Dermatology and is a member of The American Society of Dermatologic Surgeons. In addition to her love of Dermatology, Dr. Leitch enjoys traveling, reading, art fairs, dining al fresco whenever possible, her cats, other people’s dogs, spending time at the cabin and being with her husband and son.