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Division of International Services
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​About Us
Contact Us

The DIS website is an excellent resource for general information. Please utilize the search function on our website before submitting an inquiry.


Our standard response time for all email inquiries is three business days. We ask that you please not follow up by email or phone within this response window. Duplicate requests can create delays in response time. Our email address is


DIS staff is available by phone during normal operating hours (M-F 8:30a-5:00p EST). Message response times may vary, but responses are usually provided within one business day. Our phone number is 301-496-6166

Visit DIS

Walk-in Hours:


This service is best used for questions that will not exceed 15 minutes to answer, such as travel signatures for NIH-sponsored J-1s and travel related questions, general immigration information, or case preparation questions.


For questions taking more than 15 minutes or for individuals who cannot attend Walk-in Hours, please schedule an appointment. Appointments are scheduled at least two business days in advance. To request an appointment, please call 301-496-6166.

Address:                                                          Operating Hours:
Building 31                                                      Monday-Friday
31 Center Drive                                               8:30am to 5:00pm
Room B2B07, MSC 2028
Bethesda, MD 20892

View a map of our location: NIH campus map

Campus Access: If you do not have a valid NIH ID Badge, you must enter NIH as a visitor through the Gateway Center. Check out the NIH Visitor Information webpage for more details.

DIS Requests


To request a copy of a document DIS has on file, please email your request to: Requests for copies must be made in writing and contain a list of the specific document(s) needed. Your request will be processed within two weeks and you will be contacted via email when your copy is ready for pick-up at the DIS office.


Many of the forms and documents sent to DIS on a regular basis include personally identifiable information (PII), including Change of Address forms, work authorization cards, and Form I-94 records. This kind of information, if intercepted, could be used for malicious or illegal purposes, such as identity theft or fraud. When sending PII, always use a secure method of transfer such as email encryption, fax, hand delivery, or the Secure Email and File Transfer (SEFT) Service.

Please note that the DIS email ( CANNOT receive encrypted email, but can receive documents containing PII through Secure Email and File Transfer (SEFT). If you need to submit a form or document that contains PII, please send it via SEFT, fax (301-496-0847), or mail, or deliver it in person.


DIS Info 
Office Hours:
8:30am - 5:00pm
Check-In Hours:
9:00am Mondays
Walk-in Hours:
1:30pm - 3:30pm Mon-Thurs
Badge Clearance:
9:00am - 11:00am
Tuesday & Thursday