Key Leaders

Acting Director

Benjamin Smith, [PDF - 157 KB], an enrolled member of the Navajo Nation, is the acting director for the Indian Health Service.

Acting Deputy Director 

Darrell LaRoche, [PDF - 76 KB],, an enrolled member of the Lower Brule Sioux Tribe in South Dakota, is the acting deputy director for the Indian Health Service.

Acting Deputy Director for Management Operations

Rose Weahkee, [PDF - 30 MB],, an enrolled member of the Navajo Nation, is the acting deputy director for management operations for the Indian Health Service.

Chief Medical Officer

Loretta Christensen, M.D., [PDF - 167 KB] an enrolled member of the Navajo Nation, serves as the Chief Medical Officer for the Indian Health Service.

Deputy Director for Intergovernmental and External Affairs

Stacey Ecoffey, [PDF - 128 KB] an enrolled member of the Oglala Sioux Tribe, is the deputy director for intergovernmental and external affairs for the Indian Health Service.

Deputy Director for Quality Healthcare and Enterprise Risk Management

Michelle Boylan,  [PDF - 173 KB], is the deputy director for quality healthcare and risk management for the Indian Health Service.

Deputy Director for Field Operations

Rear Adm. Chris Buchanan, [PDF - 147 KB], an enrolled member of the Seminole Nation of Oklahoma, is the deputy director for field operations of the Indian Health Service. 

Deputy Director for Field Operations

James Driving Hawk,   [PDF - 192 KB], an enrolled member of the Rosebud Sioux Tribe, is the deputy director for field operations of the Indian Health Service.

Deputy Director for Field Operations

Beverly Cotton,  [PDF - 128 KB],, an enrolled member of the Mississippi Band of Choctaw Indians, is the deputy director for field operations of the Indian Health Service.

Chief of Staff

Chief Information Officer

Mitchell Thornbrugh, [PDF - 205 KB], an enrolled member of the Muscogee Creek Nation, is the chief information officer and director of the Office of Information Technology for the Indian Health Service.

Office of Clinical & Preventive Services

Timothy L. Lozon, D.D.S.
Acting Director

Office of Environmental Health & Engineering

Cmdr. Martin L. Smith, RS, MPH 
Director

Office of Equal Employment Opportunity

Angela Porter
Director

Office of External Affairs

Vacant

Office of Finance & Accounting

Jillian Curtis [PDF - 142 KB]
Director

Office of Human Resources

Daniel Frye [PDF - 2.5 MB]
Director
 

Office of Indian Self-Determination and Self-Governance

Rena Macy
Acting Director

Office of Information Technology

Mitchell Thornbrugh [PDF - 217 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 Quality

Dr. Lisa Majewski [PDF - 117 KB]
Director

Office of Resource Access & Partnerships

Cmdr. Tracy Sanchez
Acting Director

Office of Tribal and Urban Affairs

Vacant 

Alaska Area Indian Health Service

Evangelyn “Angel” Castagna (Dotomain) [PDF - 621 KB]
Director

Albuquerque Area Indian Health Service

Leonard Thomas, M.D. [PDF - 179 KB]
Director

Bemidji Area Indian Health Service

Christopher Poole [PDF - 130 KB]
Director

Billings Area Indian Health Service

Bryce Redgrave [PDF - 175 KB]
Director

California Area Indian Health Service

Beverly Miller. [PDF - 69 KB]
Director

Great Plains Area Indian Health Service

Joe Amiotte [PDF - 171 KB]
Director

Nashville Area Indian Health Service

Joni Lyon
Acting Director

Navajo Area Indian Health Service

DuWayne Begay [PDF - 170 KB]
Director

Oklahoma City Area Indian Health Service

Rear Adm. Travis Watts, PharmD [PDF - 175 KB]
Director

Phoenix Area Indian Health Service

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

Portland Area Indian Health Service

Rear Adm. Marcus Martinez, PE [PDF - 203 KB]
Director

Tucson Area Indian Health Service

Dixie Gaikowski [PDF - 89 KB]
Director