Health Services


From the JBLM Madigan gate (exit 122), stay on Jackson Avenue until the third light. Turn left at the light onto Madigan Avenue. Continue on Madigan Avenue as it turns into Wilson Avenue. After approximately 500 yards, turn left onto Lincoln Street. Troop Battalion will be half way down the street on your left, Building 9900.


Our Mission: To support and enable the Madigan Army Medical Center mission by providing command and control, administrative support, and training for assigned military personnel.

The Troop Battalion is one of two battalions under the Madigan Army Medical Center. The command component is comprised of the battalion commander, battalion command sergeant major, battalion executive officer and three company command teams who are responsible for approximately 1600 Soldiers (Staff and Students). The Troop Battalion is dedicated to mission accomplishment, warrior preparedness, development in the Army profession and the quality of life of our Soldiers and their Families.

The three company command teams comprise of the Headquarters and Headquarters Company (HHC), Alpha Company and Bravo Company. HHC is comprised of the Madigan command group as well as the Military Human Resources Division, Operations, Resource Management, Information Management Division, Equal Opportunity, Protocol, Ministry, Judge Advocate Group and the Inspector General. The remainder of HHC is students for Phase II of their MOS and AOC training and the Graduate Medical Education Program.

Alpha Company is comprised of Department of Nursing, Department of Emergency Medicine, Pediatrics, Department of Anesthesia and Operative Services, Department of Family Medicine, and Department of Obstetrics and Gynecology.

Bravo Company is comprised of staff working in Pathology, Department of Medicine, Physical Medicine, Pharmacy, Armed Services Blood Bank Center, Logistics, Preventive Medicine, Department of Surgery, Radiology, Behavioral Health, Department of Clinical Investigations, Nutrition Care and Patient Administration.

Troop Battalion Leadership

Lieutenant Colonel Princess P. Palacios

Commander of Troop Battalion

Lieutenant Colonel Princess P. Palacios assumed command of Troop Battalion, Madigan Army Medical Center on June 14, 2021.  Her previous assignment was as the executive officer for Regional Health Command-Pacific, Joint Base Lewis-McChord, Wash.
Lieutenant Colonel Palacios was born in Saipan, Northern Mariana Islands.  She received her bachelor of arts degree in nutrition and her commission as a distinguished military graduate into the Medical Service Corps from University of Guam in 2004.  She later earned her master’s degree from Trident University International in 2012.  Her military education includes the AMEDD officer basic and advanced courses, the Army Command and General Staff College, and Airborne School.
Lieutenant Colonel Palacios served in several leadership roles such as platoon leader, company executive officer, S1/adjutant, chief of Program, Analysis and Evaluations Branch and secretary of the General Staff.  She commanded and deployed both the Alpha Company and Headquarter and Headquarters Company, 28th Combat Support Hospital, Fort Bragg, N.C., to Iraq during Operation Iraqi Freedom/Operation New Dawn.  Other key assignments include hospital executive officer for Madigan Army Medical Center, Joint Base Lewis-McChord, Wash., and deputy commander for administration at the Raymond W. Bliss Army Health Center, Fort Huachuca, Ariz.
Her awards and decorations include the Meritorious Service Medal, the Army Commendation Medal, the Iraqi Campaign Medal, the Army Superior Unit Award, the Meritorious Unit Commendation and the Parachutist Badge.  She is a member of the Order of Military Medical Merit.


Command Sergeant Major Scott P. Pierce

Command Sergeant Major of Troop Battalion

Command Sgt. Maj. Scott P. Pierce assumed responsibilities as the Troop Battalion command sergeant major on February 13, 2020. Previously, he served as the operations sergeant major for the 421st Medical Battalion (Multifunctional), Baumholder, Germany.

Command Sgt. Maj. Scott P. Pierce is a native of Tomah, Wis., and he enlisted in the U.S. Army in 1998 as a medical laboratory technician. He attended basic training at Fort Knox, Ky., and advanced individual training at Fort Sam Houston, Texas.

Command Sgt. Maj. Pierce has served in a variety of leadership positions. He served as a team leader, squad leader, training NCO, operations NCO, section sergeant, detachment sergeant, first sergeant, division operations NCO, and operations sergeant major.

Command Sgt. Maj. Pierce’s assignments include 123rd Main Support Battalion, Dexheim, Germany; Armed Services Blood Bank Center (ASBBC) and Transfusion Services, Madigan Army Medical Center, Joint Base Lewis-McChord, Wash.; Ireland Army Community Hospital, Fort Knox, Ky.; Armed Services Whole Blood Processing Laboratory-West, Travis Air Force Base, Calif.; 10th Combat Support Hospital and 4th Infantry Division, Fort Carson, Colo.; Irwin Army Community Hospital and Warrior Transition Battalion, Fort Riley, Kan.; and 421st Medical Battalion (Multifunctional), Baumholder, Germany. Command Sgt. Maj. Pierce has deployed to Kosovo, Iraq and Afghanistan for combat and peacekeeping operations.

Command Sgt. Maj. Pierce’s military and civilian education include the Basic Leaders Course (Commandant’s list), Advanced Leaders Course (Commandant’s list), Senior Leaders Course (Commandant’s list), Army Retention Course, Equal Opportunity Leaders Course, Master Resiliency Training Course, NCO Battle Staff Course and U.S. Army Sergeants Major Course (Commandant’s list). He holds an associate’s degree in health sciences from George Washington University, a bachelor’s of science degree in parks and recreation management from Northern Arizona University, and a master’s degree in public administration from the University of Texas-El Paso.

Command Sgt. Maj. Pierce’s awards and decorations include the Bronze Star Medal, Meritorious Service Medal (6th award), Army Commendation Medal (3rd award), Army Achievement Medal (6th award), National Defense Service Medal, Good Conduct Medal (6th award), Afghanistan Campaign Medal (1 service star), Iraq Campaign Medal (2 service stars), Global War on Terrorism Service Medal, Kosovo Campaign Medal (bronze service star), Overseas Service Ribbon (numeral 4), NCO Professional Development Ribbon (numeral 5), Army Service Ribbon, NATO Ribbon (2nd award), Meritorious Unit Commendation (3rd award), Army Superior Unit Award (2nd award), Expert Field Medical Badge, Driver’s Badge (Wheel), German Armed Forces Proficiency Badge (Gold), German Schutzenschnur (Silver), and Norwegian Ruck March Badge. Command Sgt. Maj. Pierce is also a member of the Order of Military Medical Merit (O2M3).



Troop Battalion

Physical Address

9900 Lincoln St.
Tacoma, WA 98431

Business Hours

Monday-Friday 8:00 a.m. - 4:00 p.m.
Closed Thursdays 8:00 a.m. - 11:00 a.m. for training
Closed on Federal Holidays and selected training holidays 

Contact Information

Command Office:   (253) 968-4004
In-Processing:   (253) 968-4010

Madigan Information

Telephone Number(s)

Madigan Directory Assistance:
(253) 968-1110
Puget Sound Military Appointment Center:
(800) 404-4506
Health Net Federal Services:    
(844) 866-9378
Madigan Referral Management Center:    
253-968-1145 option #5
Patient Assistance Center:    
(253) 968-1145 
Beneficiary Counseling & Assistance Coordinators:     
(253) 968-1145, option #3
Patient Advocacy
253-968-1145, option #4
Nurse Advice Line (always open):    
(800) TRICARE (874-2273)


Need Guidance About A Referral Or Consultation For Specialty Care? Download The Specialty Care Referral Guide

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Location: Click Map Below for Directions

9040A Jackson Ave, Joint Base Lewis-McChord, WA 98431


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