NDMS DMAT: Joining, Deployment, Pay, and Legal Protections

A Disaster Medical Assistance Team, or DMAT, is a federal medical unit within the National Disaster Medical System (NDMS) that deploys to disasters when local healthcare is overwhelmed. A standard team fields 35 clinical and support personnel and can triage and treat up to 250 patients per day for three days without resupply. Members serve as intermittent federal employees: they keep civilian jobs between activations and, once called up, receive federal pay, workers’ compensation, malpractice liability coverage, and civilian job protection.

Who Is on a Team and What It Can Do

A DMAT is built to function as a self-contained medical unit. The 35-person roster mixes physicians, physician assistants, nurse practitioners, registered nurses, pharmacists, paramedics, and other allied health professionals with the logistics and administrative staff needed to keep the team running in field conditions. A team can stand up a temporary treatment facility from scratch or slot into a damaged hospital to boost its capacity.

In the field, DMATs provide triage, emergency stabilization, primary care, and pharmacy services. The 250-patients-per-day, three-day self-sufficient benchmark is the same across every team, regardless of readiness tier.

Readiness Tiers: Type I, II, and III

NDMS classifies DMATs by roster size, training completion, and how quickly they can mobilize. The tier a team holds determines which teams get called first and how fast they can reach a disaster site.

Type I (Fully Operational). 105 or more deployable members, including at least 12 physicians. Deployment-ready within 6 hours of activation. At least 90% of members have completed basic core training and 50% of advanced modules, with participation in at least two NDMS-approved field exercises (one observed).
Type II (Operational). 90 or more deployable members, including at least 9 physicians. Deployment-ready within 12 hours. 80% basic and 25% advanced training completion, with at least two field exercises.
Type III (Augmentation). 50 or more deployable members, including at least 6 physicians. Deployment-ready within 24 hours. 50% basic and 25% advanced training completion, with at least one field exercise.

Individual training matters here for a reason beyond your own readiness. If enough members fall behind on required modules, the team’s classification tier can drop.

How to Join a DMAT

NDMS recruits through USAJOBS, the federal hiring portal. Openings are posted as they arise and listings typically stay open about two weeks, so the application window is short. Candidates need a current, active, and unrestricted professional license or certification for the role. Selection also weighs experience, skill level, prior team experience, and your ability to commit to being on-call for deployment at least two weeks several times each year.¹

After you apply, HHS reviews the application against Office of Personnel Management qualifications. Qualified candidates go to the program selecting official and may be interviewed. A tentative offer comes first, followed by federal employment paperwork, fingerprinting, and a background investigation before the official offer. The full process from application to onboarding runs roughly three to six months.¹

What You Commit to Between Deployments

Joining is an ongoing commitment. Members remain available to deploy, complete ongoing training, attend team meetings and drills, and respond to requests for information from NDMS leadership. You maintain your own professional licenses and certifications at your own expense. When you are federally activated, your license is recognized in every state regardless of where it was issued, but keeping it current between deployments is on you.²

Physical fitness is a real operational requirement. Deployments involve demanding work in harsh conditions, and NDMS expects members to remain medically and physically fit throughout their tenure.² There is no published standardized fitness test, but the expectation is straightforward: if you cannot operate effectively in a disaster environment, you should not be deploying.

How a Deployment Works

An activation typically begins when a state or territory requests federal medical assistance. HHS, through the Assistant Secretary for Preparedness and Response, then mobilizes the appropriate NDMS assets. Once you are placed on alert, you must confirm your availability quickly. A Type I team is expected to have its full 35-person deployment roster confirmed within four hours of alert and be ready to move within six hours of activation. Type II teams get 12 hours; Type III teams get 24.

Standard deployments run up to two weeks at the disaster site.³ You are expected to arrive self-sufficient with personal supplies for at least 72 hours, since resupply chains take time to establish in a disaster zone. You cannot arrange your own travel; NDMS handles transportation, billeting, and logistics.² You are also required to carry copies of any applicable professional licenses and certifications when you deploy.

Pay and Injury Coverage

DMAT members are intermittent federal employees. That means unpaid between activations, but compensated during deployments and authorized training. Pay during activation is based on Civil Service classifications and standards associated with the public health emergency or special event.² Travel and lodging costs are covered.

If you are injured or become ill while working within the scope of your federal duties, the Federal Employees’ Compensation Act (FECA) provides workers’ compensation benefits. FECA benefits for NDMS members are calculated as though you were a full-time HHS employee.² Coverage does not apply if the injury results from willful misconduct or intoxication.

Legal Protections

Malpractice and Negligence Claims

When you are activated and working within the scope of your federal appointment, you are treated as a Public Health Service employee for liability purposes.⁴ If someone files a malpractice or negligence claim for actions you took during deployment, the Department of Justice can certify that you were acting within the scope of federal employment, and the United States is substituted as the defendant. You cannot be sued personally.² This protection extends to authorized NDMS training activities, not only disaster deployments.

Your Civilian Job

The Uniformed Services Employment and Reemployment Rights Act (USERRA) protects your civilian job while you are deployed. NDMS activation and authorized training both count as “service in the uniformed services” under federal law, giving you the same reemployment rights as military reservists called to active duty.⁴ Your employer cannot fire you, deny you a promotion, or otherwise discriminate against you because of your NDMS service.⁵

One wrinkle to track: USERRA reemployment rights generally apply only if your cumulative service absences from a particular employer do not exceed five years.⁵ Several categories of service are exempt from that cap, mostly involving involuntary military activations. If you deploy frequently over many years with the same employer, keep an eye on your cumulative absence time. The statute also treats NDMS activation as “military necessity” for advance-notice purposes, so you are not penalized if an emergency activation makes it impossible to give your employer the usual heads-up before you leave.⁴

1
U.S. Department of Health and Human Services. Join NDMS
2
U.S. Department of Health and Human Services. National Disaster Medical System – Commitments and Legal Protection
3
U.S. Department of Health and Human Services. Deploying with NDMS
4
Office of the Law Revision Counsel. 42 U.S. Code 300hh-11 – National Disaster Medical System
5
U.S. Department of Labor. USERRA Pocket Guide