How to Schedule and Prepare for Your DEERS Enrollment Appointment

What happens at a DEERS enrollment appointment

A DEERS enrollment appointment is where you register yourself, your spouse, and your children in the Defense Enrollment may be able to access Reporting System — the military's central database that tracks who is may have access to to military benefits and healthcare. Without this enrollment, you cannot access TRICARE, the military health insurance system, or claim other family benefits tied to your military status.

At the appointment, a military personnel specialist will verify your identity and military affiliation, confirm information about your dependents, and enter or update your records in DEERS. The process typically takes 30 to 60 minutes. You will not receive benefits or a card at the appointment itself — that comes later, once DEERS processes your enrollment and sends the information to TRICARE and other benefit programs.

Most active-duty service members have DEERS enrollment handled automatically when they join, but spouses, children, and reserve or National Guard members often need to schedule an appointment to enroll or update records. If you are newly married, have a new child, or are transitioning from active duty to reserve status, you will likely need this appointment.

Key Takeaways

• DEERS enrollment happens at your military installation's personnel office, not online, and requires an in-person appointment with a military ID or proof of military status.
• You must bring original documents proving your identity, military affiliation, and the identity of any spouse or children you are enrolling — a birth certificate or marriage certificate, not a copy.
• Scheduling is usually done by phone or in person at the personnel office; there is no central online booking system for DEERS appointments.
• Processing after your appointment takes one to three weeks, and you will receive a confirmation letter or email once DEERS enrollment is complete.

Where to schedule your DEERS enrollment appointment

DEERS appointments are scheduled through your military installation's personnel office, also called the military personnel flight (Air Force), human resources office (Army), or personnel support detachment (Navy and Marine Corps). This is not a civilian agency — it is located on or near the base where you or your sponsor is stationed.

Call the personnel office directly to schedule. The phone number is listed on your installation's website under "personnel" or "military personnel." If you do not know which installation to contact, start with the one where your sponsor (the active-duty or retired service member) is stationed. If you are a dependent of someone stationed overseas, contact the personnel office at that location or ask your sponsor's chain of command for the correct phone number.

Some installations allow walk-in appointments during certain hours, but calling ahead is faster and ensures someone is available to see you. Ask when you call whether you can walk in or whether you must schedule in advance.

Documents you must bring to your appointment

Bring original documents — not photocopies. The personnel specialist will verify them and may make copies for your file, but they need to see the originals to confirm they are genuine.

For yourself	For a spouse	For each child
Valid military ID or dependent ID card (if you already have one)	Valid government-issued photo ID (driver's license, passport)	Birth certificate (original or certified copy)
Social Security card or number	Social Security card or number	Social Security number
Proof of military status (active-duty orders, retirement papers, reserve orders)	Marriage certificate (original or certified copy)	Proof of relationship to sponsor (birth certificate showing sponsor as parent)
	Divorce decree if previously married (original or certified copy)

If you do not have an original birth certificate or marriage certificate, order a certified copy from the vital records office in the state or county where the event occurred. This usually takes one to two weeks. A certified copy has an official seal and signature; a photocopy made at home will not be accepted.

If your name has changed since your military records were created — through marriage, divorce, or legal name change — bring the document that shows the change (marriage certificate, divorce decree, or court order). The personnel specialist will update your records.

What to expect during the appointment

Arrive 10 to 15 minutes early. Bring all documents in a folder or envelope so they stay organized. The specialist will ask you to verify your identity, confirm your military affiliation, and provide information about any dependents you are enrolling.

You will be asked questions about your marital status, your children's names and birthdates, and whether any dependents have other health insurance. Answer honestly — DEERS cross-checks information with Social Security and other federal databases, and false information can delay processing or result in loss of benefits later.

The specialist will enter your information into DEERS while you are there. You will see the data on their screen and can correct it if something is wrong. Ask for a receipt or confirmation number before you leave — this is your proof that you completed the appointment and can help you track processing if you need to follow up.

How long processing takes and what comes next

After your appointment, DEERS sends your enrollment information to TRICARE and other benefit programs. This processing usually takes one to three weeks. You will receive a confirmation letter or email once your enrollment is complete.

If you enrolled a spouse or children, they will receive dependent ID cards in the mail once TRICARE confirms the enrollment. Active-duty service members typically receive their military ID at the appointment or shortly after. Do not assume enrollment is complete until you receive written confirmation.

If you do not hear back within three weeks, call the personnel office and give them your confirmation number from the appointment. They can check the status of your enrollment in DEERS and tell you whether processing is still underway or whether something is missing.

If you cannot attend your scheduled appointment

Call the personnel office as soon as you know you cannot make it. Most offices allow you to reschedule by phone without penalty. If you miss an appointment without calling, you may have to wait longer for the next available slot, especially at busy installations.

If you are stationed overseas or cannot reach your installation's personnel office, ask your sponsor's chain of command for help. They can direct you to the correct office or help you schedule a remote appointment if your installation offers one.

Frequently Asked Questions

Can I enroll in DEERS without going to the installation in person?

No. DEERS enrollment requires an in-person appointment where the personnel specialist verifies your original documents and identity. Some installations may offer appointments at satellite locations or off-base military processing centers, but you cannot complete enrollment entirely by mail or online. Ask your personnel office whether they have locations other than the main base.

What if I do not have a birth certificate for my child?

Order a certified copy from the vital records office in the state or county where your child was born. You can request this by mail, phone, or online through the state's vital records website. Bring the certified copy to your appointment — a hospital birth record or baptism certificate will not work. Plan ahead, as certified copies take one to three weeks to arrive.

Do I need to bring my spouse to the appointment if I am enrolling them?

Yes. Your spouse must be present to verify their identity and sign any required forms. The personnel specialist will not enroll a spouse based on documents alone. If your spouse cannot attend, reschedule for a time when both of you can go together.

What happens if DEERS enrollment is denied?

Denial is rare, but it can happen if documents do not match military records or if there is a discrepancy in your military status. If this occurs, the personnel office will tell you what information is missing or incorrect. You can correct it and reapply, or ask to speak with a supervisor if you believe the decision is wrong.

Can I update my DEERS information after enrollment without scheduling a new appointment?

Minor updates like address changes can sometimes be done by phone or mail, but major changes like adding a new dependent or updating marital status usually require an in-person appointment. Call your personnel office and describe what you need to change — they will tell you whether you need to come in or whether it can be handled another way.