Our Residents

Post Graduate Year Four

Matt Hofkens, DO (Current Chief Resident)

Hometown:  Neenah, Wisconsin
Undergrad:  St. Olaf College - Northfield, Minnesota
Medical School:  Kirksville College of Osteopathic Medicine - Kirksville, Missouri
Internship:  Veterans Affairs Medical Center - Minneapolis, Minnesota
Professional Interests:  General Rehabilitation, Sports/Spine, Stroke
Personal Interests:  Golf, Skiing, Running, Freestyle Walking

Stephen Knuff, DO

Hometown:  Marquette, Michigan
Undergrad:  Marquette University - Milwaukee, Wisconsin
Medical School:  Michigan State College of Osteopathic Medicine - East Lansing, Michigan
Internship:  Mercy General Hospital - Muskegon, Michigan
Professional Interests:  Musculoskeletal, Spine
Personal Interests:  Hockey, Football, Traveling, Biking, Salt Water Aquariums

Michael Spackman, MD, MS

Hometown:  Calgary, Alberta - Canada
Undergrad & Graduate School:  Brigham Young University - Provo, Utah
Medical School:  St. George’s University - Grenada, West Indies
Internship:  Hennepin County Medical Center - Minneapolis, Minnesota
Professional Interests:  Musculoskeletal, Pain Management
Personal Interests:  Married to Jennifer, five children.  Enjoys outdoors, Hiking, Camping, Biking, Waterskiing, Snow Skiing, Sports, and being with family.

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Post Graduate Year Three 

Joy Taber, MD

Hometown:  Staples, Minnesota
Undergraduate:  Hamline University
Medical School:  University of Minnesota Medical School
Internship:  Minneapolis Veterans Affairs Medical Center - Minneapoils, Minnesota
Transitional Internship:  University of Minnesota
Professional Interests:  General Rehabilitation, Musculoskeletal
Personal Interests:  Camping, Gardening, Cooking, Being outdoors

Reuben Chen, MD

Undergraduate:  Brigham Young University
Medical School:  University of California Irvine
Internship:  University of California Irvine
Professional Interests:  Sports, Musculoskeletal, Pain, Acupuncture and other alternative therapies.
Personal Interests:  I’m married with one daughter and one son living in St. Paul.  We just moved from southern California, and we’re excited to be here in Minnesota.  I enjoy martial arts [judo, tae kwon do, kickboxing, mixed martial arts], lifting weights, movies, scuba diving, biking, running, photography, traveling [especially internationally], trying new foods, church activities, and most of all being with family.

Trevor Anderson, MD

Hometown:  Spearfish, South Dakota
Undergraduate:  University of South Dakota
Medical School:  University of South Dakota
Internship:  Regional Hospital Family Medicine - Rapid City, South Dakota
Professional Interests:  Occupational Medicine, Medicolegal, Musculoskeletal, Interventional Spine, Pain
Personal Interests:  Married Melissa in 2003. Have three sons born 2005, 2007, and 2009. Indoors I like conversation, reading, video games and movies.  Outdoors I like hiking, biking, basketball, jungle gyms and disc golf.  Oh and food, loooove food.

Keith Moench, MD (Current Chief Resident)

Hometown:  Avon, Indiana
Undergraduate:  Rose-Hulman Institute of Technology (Go Fightin' Engineers!) - Terra Haute, Indiana
Medical School:  Indiana University - Indianapolis, Indiana
Internship:  Hennepin County Medical Center - Minneapolis, Minnesota 
Personal Interests:  I enjoy many outdoor activities including camping, fishing, trail running, and mountain biking.  My wife and I are also interested in greyhound rescue and have rescued a greyhound of our own.  I also have an interest in international medicine and have traveled on a medical expedition to the Himalayan Mountains.

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Post Graduate Year Two 

Gretchen Niemioja, MD

Hometown:  Elkhorn, Wisconsin
Undergrad:  University of Minnesota - Minneapolis, MN; B.A. in French
Medical School:  University of Minnesota - Minneapolis, MN
Internship:  Department of Medicine, University of Minnesota - Minneapolis, MN
Professional Interests:  Cancer Rehabilitation, Stroke Rehabilitation, General Rehabilitation
Personal Interests:  Married, with one daughter and one Great Dane.  I enjoy spending time with family, cooking, traveling, learning languages, music, gardening and backpacking.

Sherri Haas, DO 

Hometown:  Thorp, Wisconsin
Undergrad:  University of Wisconsin - Eau Claire
Medical School:  Des Moines University - College of Osteopathic Medicine
Internship:  Veterans Affairs Medical Center - Minneapolis, Minnesota
Professional Interests:  Pediatric Rehabilitation, Sports Medicine
Personal Interests:  I live in the city but remain a small-town Wisconsin girl at heart.  During my free time, I enjoy outdoor activities especially boating and down-hill skiing, playing sports, and my absolute favorite times are those with family and friends.

Van L. Malia, DO

Hometown:  Wheatfield, Indiana
Undergrad:  Saint Joseph's College - Computer Science/Mathematics; Wright State University - Pre-Medicine/Biology
Medical School:  Des Moines University - College of Osteopathic Medicine and Surgery
Internship:  Westview Hospital - Indianapolis, Indiana
Professional Interests:  Musculoskeletal/Sports, Pain, Interventional Spine, General Rehabilitation
Personal Interests:  I am married and have a four-year-old daughter.  I enjoy spending time with family and teaching my daughter new things, sporting events, hiking, skiing, kayaking, biking, the arts, music, playing guitar, travel, and trying new food.

Isaac Marsolek, MD

Hometown:  Bemidji, Minnesota
Undergrad:  St. John's University
Medical School:  University of Minnesota Medical School
Internship:  Hennepin County Medical Center - Minneapolis, Minnesota
Professional Interests:  Musculoskeletal Medicine, Sports Medicine, General Rehabilitation
Personal Interests:  I am married and have two daughters, whom I dedicate most of my free time to.  I enjoy working out, reading, spending time with friends and most card games.  Outdoors I like fishing, hunting, hiking, and canoeing.  I am also an avid sports fan and live and die by the Wild and Twins.

Brionn Tonkin, MD

Hometown:  Fort Collins, Colorado
Undergrad:  University of Northern Colorado - Greeey, Colorado
Medical School:  University of Colorado - Denver Colorado
Internship:  Hennepin County Medical Center - Minneapolis, Minnesota
Professional Interests:  Musculoskeletal, Sports/Spine, Orthotics and Prosthetics
Personal Interests:  My wife, dog, and I are missing the mountains in Colorado but we're enjoying the lakes here.  I'm learning to fish and we enjoy getting out on the biking trails and down to the river with Hank (the dog).  We're also enjoying the arts and all the festivals and look forward to the rest of our time here and all that Minnesota has to offer.