This Is One of the Few Cases Where a DUNS Number Genuinely Isn't Optional
DUNS number is usually about credibility, not law — buyers asking for it, platforms checking for it, tenders preferring it. Pharmaceutical exporting to the US is one of the rare exceptions where that's just not true.
If you're a domestic or foreign drug establishment, the FDA actually requires a DUNS number — either when you register your establishment, or when you set up a user fee account to pay OMUFA, PDUFA, or GDUFA fees. There's no buyer preference involved here. It's baked into the registration process itself.
A quick honest note: The broader US federal government moved away from DUNS numbers in 2022, switching to something called a UEI for most federal contracting purposes — we've written about that switch in detail on our DUNS vs UEI guide. But drug establishment registration with the FDA is a separate system, and as of now it still runs on DUNS, not UEI.
Only here for the FDA-specific requirement? If you're looking for broader DUNS guidance for pharmaceutical, biotech, or healthcare businesses in India — not specifically tied to US FDA export registration — see our general DUNS Number guide for pharmaceutical companies.
Where Exactly DUNS Shows Up in Drug Establishment Registration
There are really two separate moments where this comes up in the compliance process.
Registering your drug establishment itself
Whether you're a domestic facility or a foreign one exporting into the US, registering with the FDA requires a DUNS number as part of that registration.
Setting up a user fee account
If your facility needs to pay any of the FDA's user fees — OMUFA (Over-the-Counter Monograph User Fee), PDUFA (Prescription Drug User Fee Act), or GDUFA (Generic Drug User Fee Amendments) — you'll need a DUNS number to create that account too.
The FDA pulls your company information directly from its own DUNS-linked portal during this process. So practically speaking, your DUNS profile isn't just a box to tick — it's the actual data source the FDA's system is reading from.
A Genuinely Common Point of Confusion: DUNS vs FEI
This trips up a lot of first-time exporters, so it's worth being direct about it. Once you register your facility with the FDA, you'll be assigned something called an FEI — an FDA Establishment Identifier.
This is a completely different number from your DUNS number, issued by the FDA itself rather than by D&B.
How They Work Together
Think of it this way: your DUNS number is what gets you into the registration process and identifies your company globally. Your FEI is what the FDA actually uses afterward to track your facility specifically — every inspection, every compliance action, every user fee payment gets tied to that FEI, not your DUNS number.
⚠️ The Duplicate FEI Risk
If your facility ends up with two FEI numbers somehow — say, because someone registered using a slightly different address format the second time around, or a previous company's registration was never properly closed out — your inspection history and compliance record get split across two separate profiles. Untangling that after the fact is genuinely tedious.
The cleanest way to avoid it is making sure your DUNS information is consistent and accurate the first time you register, since that's the data the rest of your FDA paperwork gets built on.
What Foreign Drug Establishments Specifically Need to Know
If you're exporting from India rather than manufacturing domestically in the US, there are a couple of extra requirements layered on top of the standard registration.
You need a US agent
Foreign facilities have to designate a US-based agent as part of their registration — this person or entity acts as your point of contact with the FDA.
Name your known US importers
As part of your registration, you'll disclose the importers bringing your product into the country.
Foreign facility surcharge
Under GDUFA specifically, foreign generic drug facilities pay an additional $15,000 surcharge on top of the standard annual facility fee.
For FY 2026, that surcharge is on top of $238,943 for a domestic finished dosage form facility, or $43,549 for an active pharmaceutical ingredient (API) facility. (These figures shift year to year, so treat them as a current snapshot rather than a permanent number — worth checking the FDA's published rates for the fiscal year you're registering in.)
None of these extra steps change the DUNS requirement itself — it's still the same identifier, used the same way — but they do mean foreign establishments have a slightly longer checklist than a domestic facility would.
Documents & Information You'll Want Ready
DUNS Number
Required for establishment registration and for setting up your OMUFA/PDUFA/GDUFA user fee account.
Business Registration Proof
Certificate of Incorporation, GST certificate, or equivalent — to confirm your DUNS application reflects your real, registered legal entity.
Facility Address
Needs to match exactly between your DUNS record and your FDA registration — this is the detail most likely to cause friction later.
US Agent Details
Name and contact information for your designated US-based agent.
Known US Importer Info
Names of the importers bringing your product into the US.
Point-of-Contact Email
The statute specifically requires this as part of the registration submission.
Getting Your DUNS Number Sorted Before You Register
Check if your facility already has a DUNS number
Since DUNS numbers are tied to a specific physical location, if your company has multiple facilities, each distinct location may need (or already have) its own separate number, rather than sharing one across sites. Search the official D&B database by your facility's exact address before assuming you need a new one.
Gather your facility's legal registration documents
Certificate of Incorporation, GST certificate, or whatever applies to your specific business structure.
Apply on the official Dun & Bradstreet website
Making sure the facility address you enter matches exactly what you intend to use on your FDA registration.
Allow time before your registration deadline
D&B's standard processing can take up to 30 business days — and FDA registration itself has its own timeline on top of that, so it's worth starting your DUNS application well before you plan to submit your FDA paperwork.
Use the same DUNS number consistently
Across your establishment registration and your user fee account setup, rather than requesting a new one for each.
Common Mistakes That Cause Real Delays Here
Treating DUNS and FEI as the same thing
Or assuming getting one means you automatically have the other — they're separate numbers from separate organizations.
Registering a facility's DUNS number under a slightly different address
Than what ends up on the FDA registration, which is exactly the kind of mismatch that contributes to duplicate-record headaches down the line.
Forgetting that DUNS numbers are location-specific
If your company operates more than one facility, don't assume one DUNS number covers all of them — each distinct physical location is generally its own case.
Leaving the DUNS application until the last minute
Before a registration or fee deadline, given D&B's processing window sits on top of the FDA's own timeline, not instead of it.
Not double-checking the current registration form
Given the broader government shift toward UEI in other federal systems, it's genuinely worth confirming on the actual current FDA form that DUNS is still what's being asked for at the moment you register, rather than relying on older guidance.
Frequently Asked Questions
Is a DUNS number actually mandatory for FDA drug establishment registration?
What's the difference between a DUNS number and an FEI?
Do foreign drug establishments need anything extra beyond the DUNS number?
Is the DUNS number free for FDA registration purposes?
If my company has multiple manufacturing facilities, do I need a separate DUNS number for each?
Is DUNS still required given the federal government's switch to UEI?
Need Help Getting This Right Before You Register?
Given how much of your FDA registration data flows directly from your DUNS profile, getting the address and entity details consistent from the start really does matter here more than it does for most other DUNS use cases.
Direct Contact
Scalix Tech is an independent consulting service and is not affiliated with, endorsed by, or authorized by Dun & Bradstreet or the US Food and Drug Administration. The D-U-N-S Number is always free and issued solely by D&B. Our role is limited to documentation guidance for DUNS number applications — not regulatory or legal advice on FDA compliance, which should come from a qualified regulatory consultant or attorney for your specific situation.
DUNS Registration Guidance Form
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