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Blood test Katwijk

Blood test in Katwijk.

In Katwijk you get a blood test without a referral at 14 locations, from the Randweg and the Coepel to Rijnsburg, Valkenburg, Noordwijk and Oegstgeest, with your results explained in the Optimize app within 24 hours.

Katwijk lies by the sea, where the Oude Rijn ends, ten minutes from Leiden. Two addresses on the Randweg and Rijnsburg, Valkenburg, Noordwijk, Voorhout and Oegstgeest around them: a draw location within six kilometres anywhere along the coast.

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No referral needed · 14 draw locations

4.8 out of 5 stars from 80 reviews after the blood test

Updated 7 September 2026

Katwijk
01 Scope
60
biomarkers per test
02 Reach
14+
draw locations in Katwijk
03 Access
No
referral needed
01 Katwijk

Where can you get a blood test in Katwijk?

At two addresses in Katwijk itself, both on the Randweg: the Atalmedial draw point at number 35 and SCAL's Medisch Centrum de Coepel at number 47, a kilometre from the centre. Atalmedial and SCAL are the labs Katwijk GPs send their blood to every day, so you draw at the same addresses as always, only now on your own initiative.

02 Surroundings

Live in Rijnsburg, Valkenburg or Noordwijk?

Then you stay in your own village. The Floris V health centre in Rijnsburg is two and a half kilometres away, the village hall and Praktijk 71 in Valkenburg three, Medisch Centrum Noordwijk on the Rederijkersplein and Agneshove in Voorhout less than five. Oegstgeest has four addresses with Rhijngeest, MC Oegstgeest, the Poelgeest practice and Actea, and towards Leiden the Alrijne, the Leidse Hout and the Poortgebouw take over. The list below is sorted by distance from the centre.

03 Practical

How do you get there and how long does it take?

The Randweg is on the edge of Katwijk aan den Rijn, five minutes by bike from the centre and from the Hoornes, with parking at the door; from Katwijk aan Zee it is ten minutes. You book a time slot in the app, so you do not wait, and the draw itself takes a few minutes. Come fasted: no food for 8 to 12 hours, water is fine, so preferably book an early morning slot.

04 Offer

What do you choose in Katwijk?

is the standard: a yearly blood test with a personal action plan, your biological age and trends at every retest, for a fixed amount per day. If you would rather measure once first, the comprehensive test is there as a single blood test, at the same Katwijk locations and with the same explanations in the app. No referral, no waiting list, no note from your GP.

Draw locations in and around Katwijk.

Our draw partners within 6 km of the centre, sorted by distance. Book online and pick a time slot.

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Good to know.

The major lifestyle diseases are largely preventable with the right habits. With clarity in your blood values you know which actions work.

Lifestyle diseases are often preventable
Most lifestyle diseases, such as cardiovascular disease and type 2 diabetes, stem from lifestyle and are largely preventable.
Bron: WHO
Type 2 diabetes: risk can be halved
A healthy lifestyle can halve the risk of type 2 diabetes. Your blood sugar (HbA1c) shows where you stand.
Bron: Diabetes Fonds
Cardiovascular disease: lifestyle helps
A large share of cardiovascular disease can be prevented with a healthy lifestyle. Clarity in your values shows where to start.
Bron: Hartstichting

How to get a blood test in Katwijk.

Start your core membership online

is a yearly blood test with 60 biomarkers for €1 a day, €365 a year in one payment. Checkout takes two minutes. Prefer a one-off? A single blood test starts at €49.
CHOOSE YOUR PATH
Core membership€1 a day
Single blood testfrom €49
APPOINTMENT
Health centre
1.2 KM · NEAR YOU
M14
T15
W16
T17
F18
S19
S20
Tue 15 Sep08:15

Book your draw appointment

In the Optimize app, choose one of the 14 draw locations in and around Katwijk and a time slot that suits you.

Come fasted

Don't eat for 8 to 12 hours beforehand; drinking water is fine. Walk in at your chosen time and the draw itself takes a few minutes.
DRAW DAY
Fasted from 22:00
WATER IS FINE
Blood draw
THU 18 SEP · 08:15 · 3 MIN
Health profile
LAST TEST: 9 SEP 2026
52/59biomarkers
Biomarker status
23.9PHENOAGE−4.6 years
Biological age

Atherogenic index (AIP), LDL cholesterol and 5 others deserve attention.

Get your results

Within 24 hours your results are in the app, in plain language, with context and priorities.
Frequently asked questions

Blood test in Katwijk.

The essentials before you start.

No. You start online yourself, without a GP referral, and then pick a Katwijk location and a time slot in the Optimize app. Your GP need not be involved; your results come with explanations in the app and you can always take them along to a consultation yourself.

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Core membership

€1/day

Billed annually at €365, in one payment.

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No referral needed · 14 draw locations

  • Annual blood test (60 values)
  • Your biological age
  • Personal action plan
  • Personal AI coach
  • Wearable integration
  • 10% cashback in credits

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