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Search for an existing customer
Last Updated: 09/24/2026

Use the customer search to check whether a customer already exists in Med-Stop before you create a new record. It helps when the customer does not know which testing network they are registered with, and it prevents duplicate records.

Before you start

Ask the customer for a photo ID and search with the details on it. For DOT tests, the collector must positively identify the employee with a photo ID issued by the employer or by a federal, state, or local government; faxes and photocopies are not acceptable (49 CFR 40.61(c)).

Steps

  1. Enter at least two of these, in any combination: Last name; Social Security number or driver's license number; Date of birth.
  2. Run the search.
  3. If the information matches, Med-Stop returns a single result for that customer.

If no results are found

  • Check for misspellings and typos, and try a different combination of fields.
  • Try the first name in the last-name field; names are sometimes stored the other way around.
  • Do not enter a full name in one field. It returns no matches.

Do you need more information?

If you need our assistance, or want to know more about Med-Stop, please use our Support contact form, send e-mail to support@med-stop.com or call at 1-(877) 633-3633