Dr. Olivier-Sebastian Barsa
According to our open methodology, this clinic scored 61.1/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #8 of 26 ranked clinics · Last checked: 23 September 2026
Positions by Rating Profile
- Overall Transparency & Trust#861.1/100
- Best for Expats#660.8/100
- Best for Dental Implants#758/100
- Best for Emergency Dental Care#465.8/100
- Best Price Transparency#841.3/100
- Best English-speaking Clinics#764.3/100
- Best for Families / Children#267.2/100
- Sleep Dentistry (GA / deep sedation)not ranked
General Anaesthesia & Deep Sedation
Whether the clinic documents treatment under general anaesthesia or deep / twilight sedation — "sleep dentistry", where the patient is asleep and unaware (does not feel, see, or hear the procedure). Ordinary conscious sedation, where the patient stays awake and responsive, does not count here. This is informational and does not affect the transparency score.
- ? General anaesthesia / deep sedation (sleep dentistry) — Not verified
Summary
General dental practice in Linz-Ebelsberg run by Dr. Olivier-Sebastian Barsa, offering implants, fillings, crowns, bridges, dentures, veneers, periodontology, paediatric dentistry and same-day emergency pain relief; the site publishes consultations in English, Romanian, French, Serbo-Croatian and Persian.
Strengths
- Information Transparency: 16 of 20 points.
- Reputation & Reviews: 17.5 of 20 points.
- No red flags identified in public sources.
Weaknesses
- Price Transparency: 0 of 15 verifiable points (missing: prices or price ranges published; cleaning price listed; filling price listed; crown price listed; implant price listed; consultation price listed; x-ray / imaging price listed)
Score Breakdown
Every criterion below is scored from public sources. ✓ verified yes · ✗ verified no / not found · ◐ partial · ? unverified (scores 0, not a negative finding).
Information Transparency
Whether basic facts about the clinic - its team, premises, services, and location - are publicly verifiable.
| ✓ | Has a working website [s1] | 4/4 |
| ✓ | Dentist names listed [s1] | 3/3 |
| ✗ | Dentist specializations listed [s1] | 0/2 |
| ✗ | Real clinic photos Images on the site appear to be placeholder/stock imagery rather than photographed premises. [s1] | 0/2 |
| ✓ | Service list published [s1] | 3/3 |
| ✓ | Clear contact details [s1] | 2/2 |
| ✓ | English website version [s1] | 2/2 |
| ✓ | Address and map published [s1] | 2/2 |
Price Transparency
Whether patients can estimate costs before visiting. Published price ranges count; exact prices are not required.
Reputation & Reviews
Public review signals. The Google rating is adjusted with a Bayesian prior (rating 4.0, weight 25) so a 5.0 from a handful of reviews does not outrank a 4.8 from hundreds.
| ◐ | Google rating (Bayesian-adjusted) as of 2026-09-23 [barsa-wiener-strasse-deepen-14] | 5/6 |
| ✓ | Google review volume as of 2026-09-23 (was 583) [barsa-wiener-strasse-deepen-14] | 3/3 |
| ✓ | Review recency Most recent visible review ~3 months before the check. [sm] | 3/3 |
| ✓ | Clinic responds to reviews Owner replies visible on the critical reviews shown. [sm] | 2/2 |
| ✓ | No recurring complaints No recurring complaint theme; 1-2 star reviews are 8% of 564, and the two read describe different issues [barsa-wiener-strasse-deepen] | 2/2 |
| ✓ | No suspicious review patterns No manipulation signal: histogram not uniform, dates spread over years, owner replies individually [barsa-wiener-strasse-deepen-9] | 2/2 |
| ✗ | Active Facebook presence Facebook searches by the dentist's name with the city and by its phone number found no business page for this practice (a previously noted personal profile of the dentist is not a clinic page) [barsa-wiener-strasse-deepen-15] [barsa-wiener-strasse-deepen-16] | 0/1 |
| ✗ | TripAdvisor presence No listing in TripAdvisor's own search; the clinic's site links no TripAdvisor profile [barsa-wiener-strasse-deepen-5] [barsa-wiener-strasse-deepen-6] [barsa-wiener-strasse-deepen-7] | 0/0.5 |
| ✓ | Other review platforms Reviewed on DocFinder: 52 reviews as of 2026-09-23 [barsa-wiener-strasse-deepen-8] | 0.5/0.5 |
Medical Infrastructure
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
| ? | On-site X-ray | 0/2 |
| ? | CBCT (3D imaging) | 0/2 |
| ✓ | Implantology [s1] | 2/2 |
| ✓ | Orthodontics Aligner-based orthodontic treatment listed [barsa-wiener-strasse-deepen-2] | 2/2 |
| ✓ | Oral surgery Tooth extraction listed. [s1] | 2/2 |
| ✓ | Pediatric dentistry [s1] | 1.5/1.5 |
| ✓ | Emergency care Site advertises walk-in emergency dental service without a prior appointment. [s1] | 1.5/1.5 |
| ✓ | Works with international patients Consultations documented in five languages besides German [s1] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
| ✗ | WhatsApp / LINE available Full site read; contact is phone, email and a callback-request form, no WhatsApp/LINE [barsa-wiener-strasse-deepen-3] | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken English consultation explicitly documented on the clinic's own site [barsa-wiener-strasse-deepen-10] | 2.5/2.5 |
| ✓ | Pre-visit consultation possible Online contact form with a callback-request option [barsa-wiener-strasse-deepen-11] | 1.5/1.5 |
| ✓ | Clear service explanations Individual pages exist for each treatment type with descriptive content [barsa-wiener-strasse-deepen-12] | 1/1 |
| ✓ | Convenient opening hours Wednesday hours extend to 19:30 (evening). [s1] | 1.5/1.5 |
AI & Search Visibility
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Austria", "English speaking dentist Austria", "dental implants Austria", "emergency dentist Austria", "Austria dental clinic for expats".
| ✓ | Mentioned for: best dentist Austria Named ("Barsa in Ebelsberg") in an r/Linz Reddit thread that appears in top results for this query. [sqa] | 1/1 |
| ✗ | Mentioned for: English speaking dentist Austria [sqb] | 0/1 |
| ✗ | Mentioned for: dental implants Austria [sqc] | 0/1 |
| ✗ | Mentioned for: emergency dentist Austria [sqd] | 0/1 |
| ✗ | Mentioned for: Austria dental clinic for expats [sqe] | 0/1 |
| ✓ | Structured data on website JSON-LD includes a LocalBusiness entity [barsa-wiener-strasse-deepen-13] | 1.5/1.5 |
| ? | Google indexing quality | 0/2 |
| ✓ | Dedicated service pages Separate pages exist for implants, periodontology and bleaching, among others [barsa-wiener-strasse-deepen-4] | 1.5/1.5 |
Ranking leaders in AI answers
The queries above are this index's own check. The three leading clinics have also been measured in full: how often ChatGPT and Gemini name them when a patient asks them to recommend a dentist.
- #1Zahnklinik Wien Döbling9.5 of 100View report → report in German
- #2Zahnärzte am Stadtpark25 of 100View report → report in German
- #3Zahnartist (DDr. Emina Kabil, MSc)0 of 100View report → report in German
Measured by Ansmeter, 8 October 2026. Ansmeter is an affiliated service. Its figure is not part of this rating and does not affect positions — scores change only when public data changes.
Licensing & Credentials
Whether the clinic publishes its operating licence and the dentists working there together with their professional licence numbers. A verified “not published” is recorded as a red flag; data we have not checked yet is shown as unverified and carries no penalty.
Clinic operating licence: not checked against public sources yet — unverified, no penalty
Dentists & dental chamber register entries
| Dentist | Specialization | Chamber entry | Notes |
|---|---|---|---|
| Dr. Olivier-Sebastian Barsa [sr] | General dentistry | not published | Confirmed on the public register of Landeszahnärztekammer Oberösterreich, which publishes no licence number. |
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Communication & Service: Response speed
- AI & Search Visibility: Google indexing quality
Unverified items score 0 points but are not treated as negative findings. If you can document any of them, please send a correction.
Contact Information
| Website | https://www.zahnlinz.at |
|---|---|
| Phone | +43 732 318500 |
| Google Maps | Map listing |
| Address | Wiener Straße 493, 4030 Linz, Austria |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://www.zahnlinz.at | "Beratung in folgenden Sprachen: Englisch, Rumanisch, Franzosisch, Serbokroatisch, Iranisch" (consultation available in English, Romanian, French, Serbo-Croatian and Farsi) | 2026-09-23 |
| sr | https://ooe.zahnaerztekammer.at/patientinnen/zahnaerztinnensuche | Landeszahnärztekammer Oberösterreich search form: Nachname = "Barsa" returned "Barsa Olivier-Sebastian (Medic dent.)", Wiener Straße 493, 4030 Linz, Tel 0732/318500, Art der Berufsausübung: Niedergelassen — matches the clinic address and phone. | 2026-09-01 |
| sm | https://www.google.com/maps/place/Dr.+Olivier-Sebastian+Barsa/@48.2… | Google rating 4.7 (583 reviews) as of 2026-09-01, address, geo, review text, owner replies. | 2026-09-01 |
| sqa | search:best dentist Linz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqb | search:English speaking dentist Linz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqc | search:dental implants Linz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqd | search:emergency dentist Linz | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| sqe | search:Linz dental clinic for expats | AI/search visibility scout 2026-09-01 | 2026-09-01 |
| barsa-wiener-strasse-deepen | https://www.google.com/maps?cid=6093267147307227716&hl=en | Histogram 1★38 2★7 3★4 4★4 5★511 of 564; the two negative reviews read describe different issues (reception rudeness/language vs. a rushed diagnosis), not a repeated theme | 2026-09-23 |
| barsa-wiener-strasse-deepen-2 | https://www.zahnlinz.at/behandlungsspektrum/zahnschienen-aligner | Dedicated "Zahnschienen / Aligner" service page in the treatment-spectrum menu | 2026-09-23 |
| barsa-wiener-strasse-deepen-3 | https://www.zahnlinz.at/digitale-barrierefreiheit | Contact form offers a "Ruckrufbitte" (callback request) field; no wa.me link or WhatsApp number found on any of the 30 pages | 2026-09-23 |
| barsa-wiener-strasse-deepen-4 | https://www.zahnlinz.at/behandlungsspektrum/zahnersatz/zahnimplanta… | Dedicated pages found: /zahnimplantate-implantologie, /aesthetische-zahnmedizin/parodontologie, /aesthetische-zahnmedizin/zahnbleaching and more, each with its own content | 2026-09-23 |
| barsa-wiener-strasse-deepen-5 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=Barsa%20… | TripAdvisor search for "Barsa Zahnarzt" on 2026-09-23 returned 12 results (5 attraction, 5 hotel, 2 eatery), none of them this clinic | 2026-09-23 |
| barsa-wiener-strasse-deepen-6 | https://www.tripadvisor.com/TypeAheadJson?action=API&query=Olivier-… | TripAdvisor search for "Olivier-Sebastian Barsa" on 2026-09-23 returned 12 results (3 geo, 4 attraction, 5 hotel), none of them this clinic | 2026-09-23 |
| barsa-wiener-strasse-deepen-7 | https://www.zahnlinz.at/sitemap.xml | Clinic site read in full on 2026-09-23 (31 pages from its sitemap and menus): no TripAdvisor link or profile mentioned | 2026-09-23 |
| barsa-wiener-strasse-deepen-8 | https://www.docfinder.at/zahnarzt/4030-linz/dr-olivier-sebastian-barsa | DocFinder profile of Dr. Olivier Sebastian Barsa, Wiener Straße 493, read 2026-09-23: rating 4.6 from 52 reviews | 2026-09-23 |
| barsa-wiener-strasse-deepen-9 | https://www.google.com/maps?cid=6093267147307227716&hl=en | Histogram 90.6% five-star (not literally 100%) of 564; sampled reviews dated 2020-2026 from accounts with 7-142 prior reviews, each with an individual owner reply | 2026-09-23 |
| barsa-wiener-strasse-deepen-10 | https://www.zahnlinz.at | "Unsere Beratung bieten wir ubrigens nicht nur auf Deutsch an, sondern auch auf Englisch, Franzosisch, Rumanisch, Serbokroatisch und Iranisch" | 2026-09-23 |
| barsa-wiener-strasse-deepen-11 | https://www.zahnlinz.at/digitale-barrierefreiheit | Form fields: Name, Firma, E-Mail, Telefon, "Weitere Informationen", "Ruckrufbitte", Nachricht | 2026-09-23 |
| barsa-wiener-strasse-deepen-12 | https://www.zahnlinz.at/behandlungsspektrum/zahnersatz/zahnimplanta… | Treatment spectrum is split into ~18 individual pages (implants, veneers, bleaching, extraction, etc.), each with its own descriptive content rather than a bare list | 2026-09-23 |
| barsa-wiener-strasse-deepen-13 | https://www.zahnlinz.at | Structured data types found: LocalBusiness, FAQPage, Question | 2026-09-23 |
| barsa-wiener-strasse-deepen-14 | https://www.google.com/maps?cid=6093267147307227716&hl=en | Google listing 2026-09-23: 4.7 from 564 reviews; histogram 5★ 511 / 4★ 4 / 3★ 4 / 2★ 7 / 1★ 38 | 2026-09-23 |
| barsa-wiener-strasse-deepen-15 | https://www.facebook.com/ | Facebook searches on 2026-09-30 by the dentist's name with the city and by its phone number: no business page for this practice (a previously noted personal profile of the dentist is not a clinic page) | 2026-09-30 |
| barsa-wiener-strasse-deepen-16 | https://www.zahnlinz.at | Home page read 2026-09-30: no link to a Facebook page of the clinic | 2026-09-30 |
Change History
| Date | Change |
|---|---|
| 2026-09-30 | Searched Facebook for the clinic by the dentist's name with the city and by its phone number; none of the searches found a page of the clinic, and its website links none. Recorded absence from Facebook. |
| 2026-09-23 | Re-read on 2026-09-23: the clinic's website (all 30 sitemap pages, including the treatment spectrum, practice and contact pages) and its Google listing, plus TripAdvisor's own search and DocFinder. Recorded: aligner-based orthodontics; consultations offered in English, Romanian, French, Serbo-Croatian and Farsi; a callback-request contact form; individual pages per treatment; structured data present; Google rating 4.7 from 564 reviews with individual owner replies and no recurring complaints or signs of review manipulation; 52 reviews on DocFinder; no TripAdvisor listing. Still unverified: X-ray and CBCT equipment (the site does not describe its equipment) and Facebook presence. |
| 2026-09-01 | Initial research |
A question or a correction?
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