Press Releases

Miles City, Mont.— One Health is proud to announce the upcoming opening of the newly renovated Milligan Building, a state-of-the-art healthcare facility that will significantly expand access to medical, behavioral health and public health services for the Miles City community and residents across Eastern Montana.

The Milligan Building will open in phases:
• January 20, 2026 – Public Health and WIC services open to the public
• February 2, 2026 – Pharmacy opens to the public
• February 3, 2026 – Clinic officially opens

“This new facility represents One Health’s continued commitment to accessible, integrated, and patient-centered care,” said Dr. David Mark, CEO of One Health. “By bringing essential services together in a single location, we are strengthening care coordination while investing in the long-term vitality of downtown Miles City.”

Located in the heart of downtown, the historic Milligan Building has been transformed into a modern, centralized healthcare facility while preserving its architectural legacy. The original structure dates back to 1898, with expansions in 1908 and 1912, and encompasses approximately 26,700 square feet.

The building will offer a wide range of essential services under one roof, including:

• Public Health and WIC
• Family medicine and general primary care
• Behavioral health services
• Telehealth
• Laboratory services
• Pharmacy
• Residency program spaces
• Community development resources
• Administrative offices

The multi-phase project supports economic development through job creation, historic preservation, and downtown revitalization, while ensuring long-term access to high-quality healthcare services for Eastern Montana.

One Health purchased the Milligan Project in Fall of 2021 and worked with High Plains Architects to rehabilitate the building. The $20 million remodel of the Milligan Building was a true team effort with many people and organizations involved including:

Cornerstone Partners
• Leona and Harry B. Helmsley Charitable Trust
• M.J. Murdock Charitable Trust
• U.S. Department of Agriculture
• High Plains Architects
• Jackson Contractor Group

Partners
• Miles & Beth Ann Milligan
• Custer County Commissioners
• City of Miles City
• Montana State Historic Preservation Office
• Brian Wishneff & Associates
• One Health patients and staff

Board Partners
• Marty Thone
• Bill Briggs
• Kathleen Davidson
• Tim Hardy
• Beth Hronek
• Sara Pretty Weasel
• Juanita Sapp
• Barbara Skoyen
• Jaqueline Sikoski
• Scott Thorn
• Eric Tiner
• Curtis Whicker

Donors
• Otto Bremer Trust
• Montana Community Foundation
• Montana Department of Commerce
• First Interstate Bank
• MoFi
• North Plains Connector Community Impact Fund
• Stockman Bank
• Tightline Design

An open house for the community will be held in the spring of 2026.

About One Health:
One Health’s mission is to improve the wellbeing of the whole community by providing accessible, high-quality healthcare. They operate federally qualified community health centers in 11 Montana towns and five health centers in northern Wyoming. Services include primary medical care, behavioral health care, dental, pharmacy, school-based health care and drop-in centers.