--- title: "Dr Mark O'Hara | Orthodontist in Horsham" url: https://virtualconsultant.online/orthodontists/dr-mark-ohara description: "Dr Mark O'Hara is an orthodontic practice in Horsham offering Clear Aligners, Invisalign, Retainers. Address, phone number, opening hours and NHS status." updated: 2026-10-20 publisher: Virtual Consultant Online --- # Dr Mark O'Hara Causeway Dental Practice, 8 Causeway, Horsham RH12 1AE, UK, [Horsham](https://virtualconsultant.online/orthodontists/location/horsham) RH12 1QW Clear Aligners Invisalign Retainers [01403 252477](tel:01403 252477) [Visit Website](https://www.drmarkohara.co.uk) [Google Maps](https://maps.google.com/?cid=10666016159619056761&g_mp=CiVnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLkdldFBsYWNlEAIYBCAA) ## About This Practice Patients in Horsham can be seen at Dr Mark O'Hara. The practice offers Invisalign, Clear Aligners, and Retainers. This practice is reported to use digital or 3D scanning technology as part of assessment. Treatment at this practice is offered on a private basis. Dr Mark O'Hara is located at Causeway Dental Practice, 8 Causeway, Horsham RH12 1AE, UK (RH12 1QW). Practice details here are sourced from Google Places, England. Remote or virtual consultations are reported to be available before an in-person visit. If you are comparing options, the closest alternatives we list are Horsham Smiles Dental Practice in Horsham (under a mile away), East Mews Dental Care in Horsham (under a mile away), and Holbrook Dental and Implant Centre in Horsham (about 2 miles away). This is one of 4 practices on our Horsham register. ## Dr Mark O'Hara at a Glance | Address | Causeway Dental Practice, 8 Causeway, Horsham RH12 1AE, UK, Horsham, RH12 1QW | | --- | --- | | Nation | England | | NHS dental services | NHS Surrey and Sussex Integrated Care Board | | NHS orthodontic charges | Free for eligible under-18s; adults pay Band 3 (£332.10) | | Funding listed | Private | | Treatments listed | Clear Aligners, Invisalign, Retainers | | Nearest other orthodontist | Horsham Smiles Dental Practice, Horsham — under a mile | | Details last checked | May 2026 | Sources: our orthodontic practice register, ONS geography via postcodes.io and UK NHS dental charge schedules. Distances are straight-line. ## Around Dr Mark O'Hara Dr Mark O'Hara sits in a census neighbourhood of 1,392 residents, 4.1% of them aged 10 to 15, the age band in which most NHS orthodontic treatment begins. Families here are closest to The Forest School (0.9 miles). Patients here can choose from 3 other orthodontic practices within three miles. For hospital orthodontic referrals the nearest university dental hospital is Guy's Hospital Dental Institute, London, about 32 miles away. | Neighbourhood residents | 1,392 in the census neighbourhood around this address (Census 2021) | | --- | --- | | Aged 10 to 15 locally | 4.1% of neighbourhood residents, the main age band for NHS orthodontic treatment | | Adults locally | 8.5% aged 16 to 24 and 42.1% aged 25 to 49 | | Nearest secondary schools | The Forest School (0.9 miles); Millais School (0.9 miles); Tanbridge House School (1.0 miles) | | Other orthodontists within 3 miles | 3 (1 offer NHS, 1 list clear aligners) | | Nearest university dental hospital | Guy's Hospital Dental Institute, London (about 32 miles) | | Residents in RH12 | 9,016 in the census area around the district centre (Census 2021) | | Households without a car in RH12 | 18.2% | | Residents per square kilometre in RH12 | 2,805 | Sources: Census 2021 (ONS, via NOMIS), DfE Get Information About Schools and our orthodontic practice register. Distances are straight-line. [Orthodontists in the RH12 postcode district](https://virtualconsultant.online/postcodes/rh12) ## NHS Orthodontics in Horsham NHS orthodontic treatment is free for under-18s who meet the clinical threshold. Adults who do qualify pay the NHS Band 3 charge, £332.10 in England from April 2026, which covers the whole course. NHS dental services in this area are commissioned by NHS Surrey and Sussex Integrated Care Board. Dr Mark O'Hara is not listed as offering NHS treatment; a general dentist can refer eligible patients to an NHS provider. ## Gallery ## Frequently Asked Questions Does Dr Mark O'Hara offer NHS treatment? Dr Mark O'Hara offers private orthodontic treatment. What treatments does Dr Mark O'Hara offer? Dr Mark O'Hara offers Invisalign, Clear Aligners, and Retainers. Actual suitability depends on individual assessment. Can I get a remote consultation with Dr Mark O'Hara? Dr Mark O'Hara is reported to offer remote or virtual consultations before an in-person visit. Confirm availability directly with the practice. Does Dr Mark O'Hara use digital scanning? Dr Mark O'Hara is reported to use digital or 3D scanning technology as part of assessment, which can remove the need for traditional dental impressions. Where is Dr Mark O'Hara located? Dr Mark O'Hara is located in Horsham. How many orthodontists are there in Horsham? We currently track 4 orthodontic practices in Horsham, of which Dr Mark O'Hara is one. What other orthodontists are near Dr Mark O'Hara? The nearest other practices on our register are Horsham Smiles Dental Practice (Horsham, under a mile away), East Mews Dental Care (Horsham, under a mile away), and Holbrook Dental and Implant Centre (Horsham, about 2 miles away). Distances are straight-line from the practice. ## Link to this page from your website If you work at Dr Mark O'Hara, you can copy this link into your own site. ``` Dr Mark O'Hara on Virtual Consultant Online ``` ## Related Reading [Orthodontic treatment options in Horsham View](https://virtualconsultant.online/locations/horsham) [How clear aligners work View](https://virtualconsultant.online/aligners/how-it-works) [About Invisalign View](https://virtualconsultant.online/invisalign) [Retainers after treatment View](https://virtualconsultant.online/treatments/retainers) [Orthodontic insurance options View](https://virtualconsultant.online/insurance) [About remote orthodontic assessments View](https://virtualconsultant.online/clinicians/features/remote-assessments) [Compare orthodontic treatment types View](https://virtualconsultant.online/treatments) [Typical orthodontic treatment costs View](https://virtualconsultant.online/costs) ## Nearby Orthodontists The 6 practices closest to Dr Mark O'Hara on our register: 2 list NHS orthodontics, 3 list clear aligners and 1 list fixed braces. The nearest is Horsham Smiles Dental Practice, under a mile away. | Practice | From Dr Mark O'Hara | NHS | Private | Aligners | Braces | Also lists | Google rating | | --- | --- | --- | --- | --- | --- | --- | --- | | [Horsham Smiles Dental Practice](https://virtualconsultant.online/orthodontists/horsham-smiles-dental-practice), Horsham | under a mile north-west | – | ✓ | – | – | – | 4.2 (140) | | [East Mews Dental Care](https://virtualconsultant.online/orthodontists/east-mews-dental-care), Horsham | under a mile east | – | ✓ | – | – | evenings/weekends | 5.0 (360) | | [Holbrook Dental and Implant Centre](https://virtualconsultant.online/orthodontists/holbrook-dental-and-implant-centre), Horsham | 1.9 miles north-east | ✓ | ✓ | ✓ | – | Invisalign, evenings/weekends, payment plans | 4.7 (169) | | [Crawley Dental Clinic](https://virtualconsultant.online/orthodontists/crawley-dental-clinic), Crawley | 6.1 miles north-east | ✓ | ✓ | ✓ | – | Invisalign, evenings/weekends | 4.7 (105) | | [West Green Dental Practice](https://virtualconsultant.online/orthodontists/west-green-dental-practice), Crawley | 6.9 miles north-east | – | ✓ | ✓ | ✓ | specialist, Invisalign, evenings/weekends | 4.4 (96) | | [Broadway Dental Boutique \| Crawley Dentist](https://virtualconsultant.online/orthodontists/broadway-dental-boutique-crawley-dentist), Crawley | 7.1 miles north-east | – | ✓ | – | – | – | 4.9 (476) | ✓ listed in the practice's own information; – not mentioned, which does not mean not offered. Straight-line distances from Dr Mark O'Hara. [Horsham Smiles Dental Practice — Horsham (under a mile)](https://virtualconsultant.online/orthodontists/horsham-smiles-dental-practice) [East Mews Dental Care — Horsham (under a mile)](https://virtualconsultant.online/orthodontists/east-mews-dental-care) [Holbrook Dental and Implant Centre — Horsham (2 miles)](https://virtualconsultant.online/orthodontists/holbrook-dental-and-implant-centre) [Crawley Dental Clinic — Crawley (6 miles)](https://virtualconsultant.online/orthodontists/crawley-dental-clinic) [West Green Dental Practice — Crawley (7 miles)](https://virtualconsultant.online/orthodontists/west-green-dental-practice) [Broadway Dental Boutique | Crawley Dentist — Crawley (7 miles)](https://virtualconsultant.online/orthodontists/broadway-dental-boutique-crawley-dentist) [Compare All Orthodontists in Horsham](https://virtualconsultant.online/orthodontists/location/horsham) ### Not sure which practice to choose? Get a free remote orthodontic assessment — our clinicians review your photos and recommend the best treatment. [Start Free Assessment](https://virtualconsultant.online/evaluations/quote) Register Source Google Places - England Checked 24 May 2026 Practice information is compiled from official public sources and practice websites. CQC records are acknowledged under the Open Government Licence where applicable. This listing is informational and is not a clinical endorsement. #### Browse orthodontists in [All orthodontists in Horsham →](https://virtualconsultant.online/orthodontists/location/horsham) [Browse all orthodontists](https://virtualconsultant.online/orthodontists) ##### Explore orthodontic treatment [Treatment options in Horsham](https://virtualconsultant.online/locations/horsham) [Free photo assessment →](https://virtualconsultant.online/evaluations/quote) Citation details Title Dr Mark O'Hara | Orthodontist in Horsham Publisher Virtual Consultant Online URL [https://staging.virtualconsultant.online/orthodontists/dr-mark-ohara](https://staging.virtualconsultant.online/orthodontists/dr-mark-ohara) ## Ready to get your quote? Upload your photos and get clinician-reviewed options for braces or clear aligners. [Start My Free Quote](https://virtualconsultant.online/evaluations/quote) [Find an Orthodontist](https://virtualconsultant.online/locations) Prefer to learn first? Explore [treatments](https://virtualconsultant.online/treatments), [problems](https://virtualconsultant.online/problems), and [costs](https://virtualconsultant.online/costs).