
Your first weeks in Portugal: the registrations to do after landing
The order of registrations for Americans arriving in Portugal on a residence visa: NIF, AIMA residence permit, social security number and health centre.
By Vaughn Bullard · · 6 min read
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Photo: Lisbon City Hall and pillory (3906350050) by Bernt Rostad from Oslo, Norway / Wikimedia Commons, CC BY 2.0
Arriving in Portugal on a residence visa starts a sequence of registrations. Each one depends on the one before: the residence permit needs your address, your bank needs your tax number, and the health centre wants to see your residence permit. Getting the order right saves repeat appointments.
This guide assumes you hold a Portuguese residence visa, such as a D7, D8 or D2, issued by a consulate in the US. Investment residence (ARI) follows its own process.
Step 1: confirm your AIMA appointment
AIMA, the Agency for Integration, Migration and Asylum, issues residence permits. According to AIMA, the Ministry of Foreign Affairs books your AIMA appointment when it issues your residence visa, and the link to the appointment details is printed on the visa sticker. Check that link before you fly, and again after you land.
If the link does not work, or if no appointment was available when your visa was issued, AIMA says to use its online contact form and choose "Autorização de Residência" and then "Autorização de residência com visto consular (Não CPLP)". The Ministry of Foreign Affairs gives the same instruction on its visa portal.
A residence visa is meant to get you into Portugal so you can apply for the permit. Do not let the appointment question slide: your visa has a validity period, and the AIMA application is what carries you past it.
Step 2: the NIF, if you do not already have one
Most Americans already hold a NIF before arrival, because consulates, landlords and banks ask for it during the visa stage. If you still need one:
- book an appointment at any Serviço de Finanças or Loja do Cidadão through the Portal das Finanças (Contactos > Atendimento por Marcação) or by phoning the tax authority's call centre on (+351) 217 206 707;
- bring your passport and a document with your address;
- the request is free, according to gov.pt.
If your NIF was issued while you lived in the US, the tax authority registered you with a foreign address. Its guidance says that once you meet the conditions for Portuguese tax residence, you must request a change of address. Do this after you have a lease or a deed, because many later steps check the address on file.
Step 3: secure an address you can prove
AIMA's general residence permit page lists the documents for an in-person application at an AIMA office (Loja AIMA). Among them are:
- your passport and residence visa;
- a declaration of the address where you will live (declaração de morada);
- a declaration from the owner or main tenant of the property confirming that you live there.
That means you need a real address, with someone willing to sign for it, before your AIMA appointment. A lease in your name is the cleanest proof. If you are staying with a friend or in a sublet, arrange the host's declaration in advance.
Step 4: attend the AIMA appointment
AIMA states that the application is made in person, with the signed application form, at any Loja AIMA. Bring originals and copies of every document in your visa file, because AIMA can ask for the same evidence the consulate saw, such as proof of income and insurance.
AIMA says a first temporary residence permit under the general regime is valid for two years from the date of issue and renews for successive three-year periods, unless a specific provision of the Foreigners Act sets different terms. Note the expiry date when the card arrives and set a reminder well ahead of it.
Step 5: the NISS, your social security number
The NISS (Número de Identificação da Segurança Social) is needed to work, pay social security contributions and access benefits. According to gov.pt:
- foreigners without a NISS can request it online by filling out the form on the Segurança Social portal and attaching scanned ID documents;
- third-country nationals must submit three types of documents: identification, proof of their work situation, and proof of residence status;
- proof of work situation can be, for example, a declaration of starting self-employed activity with invoices, a company registration certificate, or, for digital nomads, the employment contract with a foreign employer;
- an employer can request the NISS for a new employee;
- after the request, a registered letter arrives at your address saying the NISS can be collected at a social security service desk;
- the NISS is free.
If you are a D7 retiree with no work activity in Portugal, ask Segurança Social whether you need a NISS for your situation. Under the US-Portugal totalization agreement, US workers sent to Portugal temporarily may stay covered by US Social Security, which affects whether you contribute in Portugal.
Step 6: register with your health centre
The SNS (Serviço Nacional de Saúde) is Portugal's national health service. gov.pt states that anyone of foreign nationality with a residence permit can register at a health centre (centro de saúde), preferably the one for the area where you live. You need a national patient number (número de utente); if you do not have one, it can be issued when you register.
gov.pt adds a detail that catches newcomers: having a patient number does not by itself guarantee that the SNS covers your costs. For coverage, your record must also carry details such as your NIF, residence permit and address. Bring all three to registration.
Step 7: bank account, phone and utilities
With a NIF, a lease and, ideally, your residence permit in hand, the rest goes faster:
- Bank account: the tax authority names opening a bank account as one of the acts that requires a NIF. As a US citizen, expect the bank to ask you for FATCA tax forms.
- Phone and internet: carriers ask for a NIF on contracts.
- Electricity, gas and water: suppliers ask for your NIF and the address on your lease.
Step 8: tell the US side
- STEP: the U.S. Embassy in Lisbon encourages Americans to enrol in the State Department's Smart Traveler Enrollment Program for safety alerts.
- Address changes: update your mailing address with the IRS, the Social Security Administration and your US bank, and keep a stable US address for anything that cannot go abroad.
- Tax calendar: as a US citizen you still file a US return every year, and your Portuguese accounts count toward FBAR reporting.
A sample timeline
- Before departure: NIF through a representative, visa issued, AIMA appointment link checked.
- Week 1: sign a lease, collect the landlord's declaration, update your NIF address.
- Weeks 1 to 4, or the date on your visa: AIMA appointment.
- After the AIMA appointment: NISS if you will work, health centre registration once you have the residence permit, bank account and utilities.
Common questions
Where do I find my AIMA appointment after getting a Portuguese residence visa? AIMA says the Ministry of Foreign Affairs books it when the visa is issued, and a link to the appointment details appears on the visa sticker. If the link fails or no appointment was set, use AIMA's online contact form under Autorização de residência com visto consular (Não CPLP).
What address proof does AIMA want? AIMA's general residence permit page lists an address declaration and a declaration from the owner or main tenant of the property confirming that you live there.
Can I register at a Portuguese health centre before I have a residence permit? gov.pt says registration at a health centre is open to foreign nationals with a residence permit in Portugal. Bring your permit, NIF and proof of address so your patient record is complete.
Sources
- AIMA: booking a residence permit appointment with a consular visa
- AIMA: residence permit, general regime (Article 77)
- Portuguese visa portal: residence visas issued without an AIMA appointment
- gov.pt: how foreigners request the NIF and NISS
- gov.pt: register at a health centre
- gov.pt: healthcare for migrants in Portugal
- U.S. Embassy and Consulate in Portugal: U.S. citizen services
General information, not legal or tax advice. Rules change; verify with the official source before acting.
General information only, not financial, legal, tax, insurance, or medical advice. Prices, rules, and terms change; check current details with the provider or an official source.



