Director of Radiology 
Specialty: Radiology
Madison Radiologists - Prairie Ridge Health
1515 Park Avenue
Columbus, WI 53925
920-623-2200

  • Specialty Radiology

Fellowship Trained Hip and Knee Replacement Specialist
Specialty: Hip, Knee and Shoulder Replacement, Orthopedic Surgery
Prairie Ridge Health Clinic – Beaver Dam and Columbus

1515 Park Avenue
Columbus, WI 53925           
920-623-1200

118 W Maple Avenue - Moving to a NEW location in early 2022, 134 Corporate Drive, Beaver Dam! 
Beaver Dam, WI 53916
920-356-1000

Dr. Niesen is one of only a handful of surgeons in the state who holds the distinction of being fellowship-trained in orthopedic joint replacement surgery; specializing in hip, knee and shoulder replacement. He received his Bachelor of Science from the University of Wisconsin-Madison and his MD from the University of Wisconsin School of Medicine. He completed his residency at the University of California, Los Angeles, where he served as Chief Resident and was honored with the Longmire Surgical Society Research Award. He completed an additional fellowship in joint replacement at the Mayo Clinic and is certified by the American Board of Orthopedic Surgery. Dr. Niesen sees patients at both clinic locations.

  • Specialty Orthopedics

Specialty: Family Medicine, Obstetrics
Prairie Ridge Health Clinic - Columbus
1515 Park Avenue
Columbus, WI 53925
920-623-1200

Dr. Veronica Minier is a family practice provider who can see you and your family through their entire life spans, from birth on. She received her medical degree from Loma Linda University School of Medicine Loma Linda, CA. Dr. Minier completed her residency at Kern Medical Center Bakersfield, CA, and is certified by the American Board of Family Medicine. Her special interests are obstetrics, including waterbirths, and pediatrics, but she sees patients of all ages, birth to over 100 years old. She is also certified in performing DOT physicals, placing Nexplanons and IUDs. Dr. Minier grew up in Wisconsin. In her free time, she loves to travel as well as spend time with her family and hiking.



  • Specialty Family Medicine, Obstetrics
Specialty: Emergency Medicine
Madison Emergency Physicians – Prairie Ridge Health
1515 Park Avenue
Columbus, WI 53925
920-623-2200

  • Specialty Emergency Medicine
Specialty: Ear, Nose, Throat
SSM Health Dean Medical Group Regional Clinic - Columbus
1513 Park Avenue - 2nd Floor
Columbus, WI 53925
920-623-9535

  • Specialty Ear, Nose, Throat

Specialty: Internal Medicine 
Prairie Ridge Health Clinic - Columbus
1515 Park Avenue
Columbus, WI 53925
920-623-1200

Dr. Asghar Marwat graduated from Shifa College of Medicine in Pakistan. He completed his Internal Medicine residency at Conemaugh Memorial Medical Center in Johnstown, Pennsylvania. Dr. Marwat was named Best Intern of the Year and Educator at Conemaugh Memorial Medical Center and Chief Resident during his third year. His scope of practice includes inpatient and outpatient general Internal Medicine. He enjoys taking care of and developing relationships with his patients, being part of the community, and successful partnerships.

Dr. Marwat enjoys reading, traveling, and exploring new places. He also enjoys playing and watching cricket and is a big fan of the Pakistan Cricket Team.

  • Specialty Internal Medicine

Specialty: Rheumatology, Osteoporosis, and Musculoskeletal Ultrasound 
Prairie Ridge Health Clinic – Columbus
1515 Park Avenue
Columbus, WI 53925
920-623-1200


Please verify your insurance when you schedule your appointment.


Dr. Dan Malone specializes in all aspects of Rheumatology, which is the diagnosis and treatment of arthritis and related autoimmune conditions.  He has special expertise in diagnostic musculoskeletal ultrasound and ultrasound-guided procedures, and he is recognized as one of the leading Rheumatology ultrasonographer practitioners and teachers in the nation.  He earned his MD from the University of Illinois Abraham Lincoln School of Medicine in Chicago and did a fellowship in basic scientific immunology research at the National Institutes of Health in Bethesda, MD.  He was on the faculty of the University of Wisconsin, Madison, for 23 years and then chose to join the private sector.  He is the current president of the Wisconsin Rheumatology Association, the state-wide scientific Rheumatology Organization.

  • Specialty Rheumatology

Specialty: Orthopedics
Prairie Ridge Health Clinic – Beaver Dam and Columbus

1515 Park Avenue
Columbus, WI 53925          
920-623-1200

118 W Maple Avenue - Moving to a NEW location in early 2022, 134 Corporate Drive, Beaver Dam! 
Beaver Dam, WI 53916
920-356-1000

As a nurse practitioner, Judy MacDonald sees orthopedic patients in both clinic locations. She is the Care Coordinator for Prairie Ridge Health Orthopedic Excellence Team specializing in assisting you with all your care needs from the surgeon’s office, to the hospital, and home.

Judy earned her nursing degree from Marian University and her nurse practitioner master’s degree from Concordia University. She is a board-certified Family Nurse Practitioner through the American Nursing Credentialing Center. She belongs to the National League of Nursing and the Wisconsin Nursing Association. Judy has been working in healthcare for over 25 years. She enjoys spending time with family and friends, being in the outdoors, gardening, boating, hiking, and sports.


  • Specialty Orthopedics
Specialty: Emergency Medicine
Madison Emergency Physicians – Prairie Ridge Health
1515 Park Avenue
Columbus, WI 53925
920-623-2200

  • Specialty Emergency Medicine

Specialty: Internal Medicine
Prairie Ridge Health Clinic - Columbus
1515 Park Avenue
Columbus, WI 53925
920-623-1200

Dr. Bruce Kraus is Board Certified in Internal Medicine. He has been taking care of patients in the greater Columbus area since 1978. He received his medical degree from the University of Wisconsin, Madison, and served his residency at San Joaquin General Hospital, Stockton, California. Dr. Kraus sees patients at the Columbus clinic location. Dr. Kraus is an avid gardener and traveler. He enjoys reading and spending time with his wife, three children, and grandchildren. Dr. Kraus has been a leader in the Columbus community serving on the hospital, church, and school boards.

  • Specialty Internal Medicine