Skip to site content

Key Leaders

Director

Roselyn Tso [PDF - 155 KB], an enrolled member of the Navajo Nation, is the director of the Indian Health Service.

Roselyn Tso

Deputy Director

Benjamin Smith, [PDF - 169 KB] an enrolled member of the Navajo Nation, is the deputy director for the Indian Health Service.

P. Benjamin Smith

Chief Medical Officer

Dr. Loretta Christensen, M.D., [PDF - 186 KB] an enrolled member of the Navajo Nation, serves as the Chief Medical Officer for the Indian Health Service.

Dr. Loretta Christensen, M.D.

Deputy Director for Quality Health Care

Jonathan Merrell, RN, BSN, MBA [PDF - 87 KB], an enrolled member of the Delaware Tribe of Indians and the Cherokee Nation of Oklahoma by Delaware descent, is the Deputy Director for Quality Health Care for the Indian Health Service.

Jonathan Merrell, RN, BSN, MBA

Deputy Director for Management Operations

Darrell LaRoche [PDF - 159 KB], an enrolled member of the Lower Brule Sioux Tribe in South Dakota, is the deputy director for management operations for the Indian Health Service.

Tina Conners

Deputy Director for Field Operations

Rear Adm. Chris Buchanan [PDF - 162 KB], an enrolled member of the Seminole Nation of Oklahoma, is the deputy director for field operations of the Indian Health Service, an agency within the Department of Health and Human Services.

>Rear Adm. Chris Buchanan

Acting Deputy Director for Intergovernmental Affairs

Rose Weahkee [PDF - 140 KB], a member of the Navajo Nation, is the acting deputy director for intergovernmental affairs for the Indian Health Service.

Rose Weahkee


Headquarters Offices

Office of Clinical & Preventive Services

Capt. Michael Bartholomew, M.D., FAAP
Acting Director

Office of Direct Service & Contracting Tribes

Terri Schmidt, R.N. [PDF - 213 KB]
Director

Office of Environmental Health & Engineering

James Ludington P.E. [PDF - 142 KB]
Director

Office of Human Resources

Lisa Gyorda [PDF - 62 KB]
Director

Office of Information Technology

Mitchell Thornbrugh [PDF - 71 KB]
Director

Office of Finance & Accounting

Jillian Curtis [PDF - 142 KB]
Director

Office of Management Services

Santiago Almaraz [PDF - 163 KB]
Director

Office of Public Health Support

Rear Adm. Francis Frazier [PDF - 114 KB]
Director

Office of Resource Access & Partnerships

Capt. John Rael [PDF - 323 KB]
Director

Office of Tribal Self-Governance

Jennifer Cooper [PDF -82 KB]
Director

Office of Urban Indian Health Programs

Rick Mueller
Acting Director


Area Directors

Alaska Area Indian Health Service

Evangelyn "Angel" Dotomain [PDF - 154 KB]
Director

Albuquerque Area Indian Health Service

Leonard Thomas, M.D. [PDF - 70 KB]
Director

Bemidji Area Indian Health Service

Daniel R. Frye [PDF - 194 KB]
Director

Billings Area Indian Health Service

Bryce Redgrave [PDF - 207 KB]
Director

California Area Indian Health Service

Beverly Miller [PDF - 54 KB]
Director

Great Plains Area Indian Health Service

Joe Amiotte
Acting Director

Nashville Area Indian Health Service

Beverly Cotton, DNP, RN [PDF - 123 KB]
Director

Navajo Area Indian Health Service

Capt. Brian K. Johnson, REHS, MPH
Acting Director

Oklahoma City Area Indian Health Service

Rear Adm. Travis Watts, PharmD [PDF - 50 KB]
Director

Phoenix Area Indian Health Service

Charles Ty Reidhead, M.D., M.P.H. [PDF - 86 KB]
Director

Portland Area Indian Health Service

Capt. Marcus Martinez, PE [PDF - 153 KB]
Director

Tucson Area Indian Health Service

Dixie Gaikowski [PDF - 89 KB]
Director