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Frequently Asked Billing Questions


How do I order supplies?

Visit our online portal at gulfdiagnostics.com. Click the order supplies link at the top right of the website.

When will my supplies arrive?

Supply orders sent prior to 2pm will be shipped the same day. Orders after 2pm are shipped the next business day. Gulfstream generally ships supplies via ground but can accommodate overnight shipping if needed.

How long does it take until I’m up and running?

Complete onboarding is 3-5 business days and is a fully supported process. The team at Gulfstream immediately goes to work for your facility offering all the critical support you need.

Who do I contact with questions?

Please email inquires to Client Services or call us: clientservices@gulfdiagnostics.com | (972) 630-6400 | (844) 453-7876.

Please call Client Services directly (or your Client Account Manager) if you have questions that require you to give us a patient name. HIPPA protected information must be encrypted if sent via email.

What are your hours?

Representatives are in the office at 8am – 5pm on Monday – Friday. We also offer after hours support, assuring that your facility will always get the support it deserves.

What type of physician verifications are performed?

Client Services verifies physician NPI numbers, PECOS registration, and a check for Medicare Exclusivity at the time of onboarding.

How do providers get trained on the portal?

The implementation manager will set up a web-based GoToMeeting to ensure the client is trained on how to review results in our ENGAGE portal. On-site training may also be available in some instances.

How do I request a specimen processor or phlebotomist?

Your account paperwork has a space to request a phlebotomist or specimen processor. Please check the appropriate box and allow time for Gulfstream to hire and train the required employee.

If you have a question that hasn’t been answered here, feel free to contact us and speak with one of our toxicology experts.