Best Pharmacies in Castle Hill
Compare the top pharmacies in Castle Hill & Sydney, NSW — ranked by our composite reputation score.
Updated September 2026 · Based on 2,519 real Google reviews across 21 pharmacies
Top Pharmacies in Castle Hill & Sydney, NSW
The best pharmacies in Castle Hill, NSW are Our Medical Pharmacy Kellyville (4.9★, 72 reviews), Priceline Pharmacy Baulkham Hills (4.7★, 225 reviews), NexGen Pharma Compounding Pharmacy (4.5★, 137 reviews), Chemist Warehouse Beaumont Hills (4.0★, 785 reviews) and Seven Hills Day & Night Pharmacy (4.7★, 121 reviews). Each is ranked by an independent reputation score from real Google reviews (2,519 reviews analysed across 21 businesses) — see the full top 21 below. Rankings last updated September 2026.
NexGen Pharma Compounding Pharmacy
Read 137 reviews · Score: 70/100
Seven Hills Day & Night Pharmacy
Read 121 reviews · Score: 61/100
Chemist Warehouse Castle Hill - HomeCo
Read 137 reviews · Score: 50/100
Oak Hill Pharmacy
Read 16 reviews · Score: 48/100
Priceline Pharmacy Hills Showground
Read 39 reviews · Score: 40/100
National Pharmacies Kellyville
Read 92 reviews · Score: 34/100
Barwell Medical Centre Pharmacy
Read 31 reviews · Score: 31/100
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Frequently Asked Questions
Common questions about pharmacies in Castle Hill.
Who are the best pharmacies in Castle Hill?
We've ranked the top 21 pharmacies in Castle Hill, NSW based on our composite reputation score combining Google ratings, review volume, and online presence. Our rankings are updated daily.
How do you rank pharmacies in Castle Hill?
Each business gets a reputation score out of 100 from three things: its Google star rating (up to 47 points), how many reviews back that rating (up to 35), and whether customers can reach it via a website and phone number (up to 18). Review volume is the one part that can subtract: below 15 reviews it costs points, because a near-empty review record gives a stranger very little to go on. No score falls below 0, nothing else is counted, and placement cannot be bought. The score measures the strength of a business's public review record rather than the quality of its work, so it is worth reading the reviews as well — every listing links to them on Google.
Why does a pharmacy with all 5-star reviews score lower than one with a lower rating?
Because review volume counts as well as rating, and below 15 reviews it counts against you. Five perfect reviews are encouraging but thin evidence; three hundred reviews averaging 4.7 tell a stranger far more about what to actually expect on the day. That is a judgement about how much proof exists, not about the quality of the work, and a newer business with a handful of excellent reviews may still be the right choice. The star rating and review count sit next to every score so you can weigh both yourself.
Why does the same business not appear several times?
Some businesses run more than one Google listing, often one per suburb they service. Those are the same company, so we group them and show the business once, using the listing with the strongest review record.
How many pharmacies are there in Castle Hill?
We track hundreds of pharmacies across Castle Hill and the wider NSW area. This page shows the top 21 based on their online reputation.
How can I improve my pharmacy business ranking in Castle Hill?
The best way to improve your ranking is to consistently collect genuine customer reviews. Businesses that actively manage their online reputation typically see 2-3x more enquiries. Tools like Starworks can automate this process.
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