Faculty

Core Faculty

Michelino Mancini, DO

Program Director
Chief Academic Officer

Hometown: Chicago Heights, Illinois
Undergraduate Education: Marquette University
Medical School: Midwestern University - Chicago College of Osteopathic Medicine
Residency: Midwestern University - Chicago College of Osteopathic Medicine
Hobbies/Interests: Interests include administration, medical education, critical care and innovative learning techniques. Hobbies include enjoying time with my wife and children, coaching soccer, traveling, and playing golf and soccer.
Why I Chose Lakeland: I chose Lakeland because of the medical staff and the relationships I have made with them. The medical staff is a high performing team that makes medical education enjoyable, cutting edge and effective.

Kristen Whitworth, DO

Associate Program Director
Simulation Director
Medical Education Track Director

Hometown: Vienna, IL
Undergraduate Education: Southern Illinois University Edwardsville
Medical School: Lake Erie College of Osteopathic Medicine - Bradenton
Residency: Spectrum Health Lakeland
Hobbies/Interests: Spending time with my husband and two dogs, running, boating, reading, traveling
Why I Chose Lakeland: I am passionate about medical education and, upon completion of my formal training, wanted to practice in a setting with an opportunity to be involved with a residency program. The faculty at Lakeland are dedicated to the program and the residents' success. I couldn't imagine a more supportive working and learning environment.

Larisa Dyer, DO

EM Ultrasound Director

Hometown: Portage, MI
Undergraduate Education: Kalamazoo College
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Traveling, spending time outside, biking, volleyball, reading.
Why I Chose Lakeland: I chose to stay at Lakeland because of the location, sense of community, and the opportunity to be involved in resident education.

Jason Hamel, MD

Medical Director
Administration Track Director

Hometown: Berrien Springs, Michigan
Undergraduate Education: Andrews University
Medical School: Loma Linda University
Residency: Michigan State University - Kalamazoo Center for Medical Studies
Hobbies/Interests: Fly-fishing, boating, photography, scuba diving.
Why I Chose Lakeland: This area is where I spent many of my growing-up years, and I was eventually drawn back. This community keeps my family happy when I am at work and provides plenty of recreation opportunities on my days off.

Kevin Hoffman, DO

PGY1 Curriculum Director

Hometown: Hammond, Indiana
Undergrad: Indiana University
Medical School: Chicago College of Osteopathic Medicine – Midwestern University
Residency: Spectrum Health Lakeland
Hobbies/Interests: Hiking, Biking, Time outside with family and friends.
Why I Chose Lakeland: As a resident, it was clear to me that every faculty member and everyone involved with the residency was committed to the success of the program and the residents. They were all excited for the opportunity to teach and produce great physicians. As an attending now, I chose to stay because of the great opportunities here to continue to grow in experience and knowledge and help pass on the training I received. All of the people in the emergency department are family to me and I couldn’t imagine a better group to work along side of.

Matthew Hysell, MD

Medical Student Program Director
Research Director

Hometown: Midland, Michigan
Undergraduate Education: University of Notre Dame
Medical School: University of Michigan
Residency: University of Michigan - St. Joseph Mercy Hospital
Hobbies/Interests: Birding, photography.
Why I Chose Lakeland: It is a hospital that functions in many respects like a tertiary care center but is located in a small community with great access to the outdoors and excellent school systems.

Joseph McCarthy, DO

EM Clerkship Director
Medical Education Track Director

Hometown: Highland, Michigan
Undergraduate Education: University of Michigan
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Spectrum Health Lakeland Hobbies/Interests: Spending time with my wife and family which includes our dog and two children, and outside activities such as spending time at the beach, biking, running and skiing (water and snow).
Why I Chose Lakeland: I was a resident here and enjoyed the atmosphere and experience it has to offer. The attending physicians and residents get along well at and away from work. The opportunity to work with residents as well as without and the diversity of the three sites (St. Joseph, Niles and Watervliet) were also large factors on staying here at Lakeland. The location and seasons were also influential in the decision.

Maddi Massa, DO

Inclusion and Diversity Director
Clinical Learning Environment Director
Wellness Director

Hometown: Holt, MI
Undergraduate Education: Michigan State University
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: golf, running, yoga, outside, crafts, desserts
Why I Chose Lakeland: I have loved Lakeland since starting here as a student. The area is wonderful and living by the Lake is my favorite. The people here have become like family and I continue to learn from them daily.

Robert Nolan, DO

Chair, Department of Emergency Medicine
Administration Track Director

Hometown: Canby, Oregon
Undergraduate Education: University of Notre Dame
Medical School: Michigan State University College of Osteopathic Medicine
Residency: University of Washington/MAMC
Hobbies/Interests: Scuba, Koi, gardening, hiking.
Why I Chose Lakeland: The people and location are second to none.

Christopher Trigger, MD

Social Media Director
Sports Medicine Track Director

Hometown: Flushing, Michigan
Undergraduate Education: Grand Valley State University
Medical School: University of Illinois at Chicago College of Medicine
Residency: University of Illinois at Chicago
Fellowship: University of Pittsburgh - Primary Care Sports Medicine
Hobbies/Interests: Spending time with family, cycling, running and travel.
Why I Chose Lakeland: I came to the area because of the opportunity to be involved with a new Emergency Medicine residency, as well as the opportunity to have my own sports medicine clinic and to provide medical care for local sporting events. It's on the lake and close to home, and I wanted a Midwest lifestyle. St. Joseph is a great community to raise a family in close proximity to Chicago.

Emergency Medicine Faculty

Jonathan Beyer, DO

EMS Director, Assistant Ultrasound Director

Hometown: Havertown, Pennsylvania
Undergraduate Education: George Washington University
Medical School: West Virginia School of Osteopathic Medicine
Residency: Pennsylvania State University - Hershey Medical Center
Fellowships: Pennsylvania State University - Hershey Medical Center (EMS and Ultrasound)
Hobbies/Interests: Hiking/backpacking, history, reading.
Why I Chose Lakeland: EMS with a chance to teach residents.

Vince Blum, MD

Hometown: Saline, MI
Undergraduate: Hillsdale College
Medical School: Wayne State University
Residency: LSU Baton Rogue
Hobbies/Interests: Spending time with family.
Why I Chose Lakeland: Great location to have a family and the people I work with are great.

Sam Campbell, MD

Medical Director Observation Unit

Hometown: Fruita, Colorado
Undergraduate Education: Point Loma Nazarene University
Medical School: Ross University School of Medicine
Residency: Genesys Regional Medical Center
Hobbies/Interests: Hanging out with my kids, camping, fishing, woodworking.
Why I Chose Lakeland: Awesome area with lots to do, great place to raise a family, good work environment that prioritizes patient care and work/life balance.

Andre Castelbuono, MD

Hometown: Okemos, MI
Undergraduate Education: Southern Adventist University
Medical School: Loma Linda University
Residency: Wright State University Emergency Medicine
Hobbies/Interests: Anything I can do that allows me to be outside, sports, camping, triathlons, gardening.
Why I Chose Lakeland: I grew up in Michigan and have always loved the idea of coming back here to live. After living in multiple countries and many different states I was excited at the opportunity to move back closer to home. I especially love Southwest Michigan with all is has to offer. Lakeland has earned a great reputation and came highly recommended from multiple friends.

Marc Headapohl, MD

Hometown: Canton, Michigan
Undergraduate Education: Wayne State University
Medical School: University of Michigan
Residency: Michigan State University - Bronson Methodist Hospital and Borgess Medical Center
Hobbies/Interests: Finance, golf, ultrasound and family.
Why I Chose Lakeland: Lakeland has given me the chance to work with residents in a community of excellence in emergency medicine.

Judd Herring, DO

Hometown: Asheville, North Carolina
Undergraduate Education: University of North Carolina - Chapel Hill
Medical School: Edward Via Virginia College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Kite boarding, outdoor activities, photography, dingo training, sports, movies, travel
Why I Chose Lakeland: It offers a diverse patient population with challenging pathology, and I also fell in love with the people in this community we serve by the big lake.

Peter Josimovich, DO

Hometown: Boston, Massachusetts
Undergraduate Education: Davis & Elkins College
Medical School: West Virginia University School of Medicine
Residency: Akron General Medical Center
Hobbies/Interests: Skiing, beaches, gardening, movies.
Why I Chose Lakeland: This hospital is an ideal size for community emergency medicine, with a beautiful, lake, a world class city in striking range (Chicago) and a lovely blend of vineyards, incredible produce, fishing and dining venues close at hand. The residency is the icing on the cake, with a strong group of residents who stimulate the faculty to remain informed and educated in the constantly changing world of emergency medicine.

Jonathan Krauss, DO

Hometown: Midland, Michigan
Undergraduate Education: Culinary Institute of America, Saginaw Valley State University
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Cooking, fishing, sailing.

Christopher Milligan, DO

Medical Director, West Michigan Air Care

Hometown: Sturgis, Michigan
Undergraduate Education: Western Michigan University
Medical School: Lake Erie College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Anything on the water, golf, traveling, movies (because you need something to do in the winter), EMS/resident education, FOAMed.
Why I Chose Lakeland: I initially decided on Lakeland for residency after rotating here. It had a smaller hospital feel (everyone was friendly and seemed to know one another) but also had the capabilities of larger tertiary centers and the wide ranging pathology to go with it. After residency, I wanted to stay on to continue to see our great program here grow and stay involved with the education process. That small hospital feel is still there....and you can't beat living on the sunset coast of Michigan!

Karla Newbold, MD

Hometown: Guaruja, S.P. – Brazil ; Horta, Azores - Portugal; Berrien Springs, MI
Undergraduate Education: Andrews University
Medical School: Rush Medical College
Residency: Cook County Hospital – Chicago, IL
Hobbies/Interests: Travel, spending time with my family, reading, gardening.
Why I Chose Lakeland: Great group of people to work with, wonderful location by the lake/beach/outdoors, large Seventh-Day Adventist faith community in the area.

Robert Nydza, DO

Hometown: Cleveland, Ohio
Undergraduate Education: Siena Heights University
Medical School: Ohio University Heritage College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Woodworking, soccer, full contact fighting.
Why I Chose Lakeland: I grew up in this program and came to truly love the institution and the positive atmosphere created by my colleagues. I particularly enjoy the opportunity to teach residents and the opportunity to perform a wide variety of procedures in the ED.

Sheila Philpott, MD

Hometown: Kalkaska, Michigan
Undergraduate Education: University of Michigan
Medical School: University of Michigan
Residency: Virginia Commonwealth University
Hobbies/Interests: Reading, Michigan football, camping, boating, fishing.
Why I Chose Lakeland: It is a regional medical center with a small town hospital feel. It is located in a small lakeside community close to Chicago and Ann Arbor.

Louis Standiford, DO

Hometown: Portage, MI
Undergraduate Education: University of Michigan
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Spectrum Health Lakeland
Hobbies/Interests: Woodworking, boating, hanging out with my family and dog, projects around the house
Why I Chose Lakeland: Lakeland has a strong emphasis on community and everyone here has become like extended family. You see a diverse patient base that also has a large variety of pathology. You always have support while you are working, and always have someone to call whenever you need help.

Nicole Van Horne, DO

Hometown: Cleveland, Ohio
Undergraduate Education: Ohio University
Medical School: Ohio University Heritage College of Osteopathic Medicine
Residency: Dayton, OH - Kettering/Grandview
Hobbies/Interests: Spending time with my husband and son. Hiking, traveling and all water-sports- paddle boarding, boating, fishing, water skiing. I love spending time outside!
Why I Chose Lakeland: I love the comradery amongst all who work there. There is a strong sense of community both in and outside of the hospital. It’s a strong supportive environment and everyone displays a true love for what they do and a genuine happiness at work. I am also passionate about medical education and enjoy practicing in a location with such a strong residency program.

Matthew Vitale, DO

Wilderness Medicine Track Director

Hometown: Macomb, MI
Undergraduate Education: Grand Valley State University
Medical School: Michigan State College of Osteopathic Medicine
Residency: Mclaren Macomb
Hobbies/Interests: Sports, Football, Running, Traveling.
Why I Chose Lakeland: I have a passion for teaching and I knew I wanted to work for a group that placed a strong emphasis on medical education. The residency's strong reputation, combined with the beauty of Southwest Michigan, was what originally drew me to the area. I was also very intrigued by the ability to work at multiple sites. Practicing in a variety of different settings will allow me to continue to grow as a physician.