Specialty: Family Medicine, Obstetrics
Prairie Ridge Health Clinic – Beaver Dam, Columbus

Beaver Dam Clinic
134 Corporate Drive
Beaver Dam, WI 53916
920-356-1000

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


Dr. Colin Millar is a family medicine physician who enjoys caring for everyone: from birth to childhood and throughout adulthood. He finds developing relationships with patients and their families rewarding. He strives to carefully listen to his patients and help them in the clinic, hospital, and delivery room. He grew up in Wisconsin and enjoys trying new foods, cooking, playing ukulele & guitar, fixing & working on computers/electronics, and traveling. Most of all, he enjoys spending time with friends and family.

He received his Bachelor of Science in Bioengineering from the University of Pennsylvania and his MD from the University of Wisconsin School of Medicine and Public Health. He completed his residency at the Waukesha Family Medicine Residency at Waukesha Memorial Hospital in Waukesha, WI. He is board certified by the American Board of Family Medicine.

He sees patients at the Beaver Dam and Columbus clinic locations.


  • Specialty Family Medicine, Obstetrics

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

Dr. Megan Bartz is a family medicine provider caring for patients of all ages, with a focus on women’s health and integrative health. She earned her MD from the University of Wisconsin School of Medicine and Public Health. She completed her family medicine residency with the University of Wisconsin Department of Family Medicine and Community Health and is certified by the American Board of Family Medicine. She is a fellow of the University of Wisconsin Integrative Medicine.

Dr. Bartz enjoys family medicine because she is able to provide longitudinal care and foster strong relationships with patients. She appreciates the ability to care for the whole person and to help her patients along their own health journeys. She is a native Wisconsinite and grew up in Eau Claire, WI. Outside of medicine, Dr. Bartz enjoys spending time with her family, cooking, traveling, practicing mindfulness, and yoga.


  • Specialty Family Medicine, Integrative Health, Acupuncture

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

Dr. Elise Malzer is a family practice provider taking care of patients of all ages. She strives to provide patient-centered care to help patients achieve their health goals. She earned her MD from the University of Wisconsin School of Medicine and Public Health and completed her family medicine residency with the University of Wisconsin Department of Family Medicine and Community Health.

Dr. Malzer enjoys Family Medicine because of the long-term relationships she builds with patients and their families. Outside of medicine, she enjoys spending time with her family, playing sports and board games, hiking, fly fishing, gardening, and cooking.



  • Specialty Family Medicine, Gender-Affirming Care
 
 

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

Dr. Michelle Bryan is a family practice provider who can see you and your family through their entire life spans, from birth on. She received her Bachelor of Science from the University of Illinois College of Liberal Arts and Sciences and her MD from the Rush University College of Medicine. Dr. Bryan completed her residency at the University of Michigan Hospital and is certified by the American Board of Family Medicine. 

She enjoys the full-spectrum nature of family medicine because she can provide both inpatient and outpatient care for the entire family. Dr. Bryan believes in providing the best possible education for patients to enable them to make the best health decisions for themselves. In her spare time, she enjoys spending time with her family, running, yoga, traveling, cooking and music.

 

 

  • Specialty Family Medicine
 
 

Specialty: Obstetrics and Gynecological Services (OB/GYN) 
Prairie Ridge Health Clinic – Beaver Dam, Columbus

Beaver Dam Clinic
134 Corporate Drive
Beaver Dam, WI 53916
920-356-1000

Columbus Clinic
1515 Park Avenue
Columbus, WI 53925           
920-623-1200        
    
Whether you are navigating a new pregnancy or preparing to have surgery, Dr. Kaldor wants you to feel confident that she is with you every step of the way. Her philosophy with patients is the same as her philosophy in life: always do the right thing.

Dr. Kaldor received her Bachelor of Arts from the Kansas State University in  Manhattan, KS and her DO from the Kansas City University of Medicine And Biosciences, MO. She completed her residency at the Philadelphia College of Osteopathic Medicine, PA. She is a Fellow of the American Congress of Obstetrics & Gynecology (FACOOG) and is certified by the American Osteopathic Board of Obstetrics and Gynecology.


  • Specialty Gynecology, Obstetrics

Specialty: Orthopedics
Prairie Ridge Health Clinic – Columbus

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

Mandy is a valued member of the orthopedic team, specializing in preoperative and postoperative care as well as osteoarthritis. She enjoys working with patients one-on-one to provide a more individualized care experience. She graduated from the University of Dayton, Ohio, Physician Assistant Program and also earned her B.A. from Edgewood College in Madison WI. 

Mandy grew up in the Madison area. In her free time, she enjoys reading, painting, boating, and spending time with her friends and family.

  • Specialty Orthopedics

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

Beaver Dam Clinic
134 Corporate Drive
Beaver Dam, WI 53916
920-356-1000

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

Andy is a valued member of the orthopedic team specializing in sports medicine, joint and fracture care, as well as preoperative care for joint replacement patients. He graduated from the UW-Madison Physician Assistant Program and also earned his B.A. in Biology from Ripon College.

Andy enjoys hiking, fishing, hunting, biking, archery, camping, and kayaking. He coaches baseball and enjoys attending local sporting events. He also enjoys woodworking, reading, cooking, and spending time with his children.

  • Specialty Orthopedics

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, Columbus

Beaver Dam Clinic
134 Corporate Drive
Beaver Dam, WI 53916
920-356-1000

Columbus Clinic
1515 Park Avenue
Columbus, WI 53925           
920-623-1200        
         
As a nurse practitioner, Judy MacDonald sees orthopedic patients at both Columbus and Beaver Dam clinics. 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: 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 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
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