Clínica Dental Dr. Knobel
According to our open methodology, this clinic scored 65/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #8 of 13 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#865/100
- Best for Expats#961.5/100
- Best for Dental Implants#861/100
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#1143.1/100
- Best English-speaking Clinics#864.7/100
- Best for Families / Children#867.4/100
- 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) — No general anaesthesia or deep sedation documented certified in nitrous oxide ('gas de la risa') sedation only; no general anaesthesia or deep sedation mentioned [knobel-dental-sedation]
Summary
Dental clinic in the Chamartín area offering general dentistry, implantology, endodontics, periodontics, orthodontics and pediatric care, with a trilingual team (Spanish, German, English) and in-house digital scanning and crown milling.
Founder Dr. Alexander Knobel lists a professional registration number.
Strengths
- Information Transparency: 18 of 20 points.
- Reputation & Reviews: 17 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.
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 2026-08-25 [knobel-dental-refresh] | 5/6 |
| ◐ | Google review volume [knobel-dental-refresh] | 1.5/3 |
| ✓ | Review recency Newest Google review is dated 2026-09-15 (listing read 2026-09-26). [knobel-dental-gbp-2026-09-26] | 3/3 |
| ✓ | Clinic responds to reviews The owner replies to reviews on Google: 9 of the 11 reviews read carry an owner reply, 7 of them to reviews from the last 12 months; the latest reply is dated 2026-09-29 (to a review of 2026-06-20). [knobel-dental-deepen] [knobel-dental-gbp-2026-09-26] | 2/2 |
| ✓ | No recurring complaints Only 1 of the five lowest-rated Google reviews carries a written complaint, too few to repeat; 1–2★ are 2.7 % of 74 (1★ 2 / 2★ 0 / 3★ 0 / 4★ 1 / 5★ 71). [knobel-dental-deepen] | 2/2 |
| ✓ | No suspicious review patterns The 11 Google reviews read (dated 2023-03-13 to 2026-09-15, from accounts with 2–256 reviews) show no burst of five-star reviews and no repeated opening wording; star histogram 1★ 2 / 2★ 0 / 3★ 0 / 4★ 1 / 5★ 71. [knobel-dental-deepen] | 2/2 |
| ✓ | Active Facebook presence [s1] | 1/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ✓ | Other review platforms Listed on Doctoralia, DocDental, Páginas Amarillas. [s2] | 0.5/0.5 |
Medical Infrastructure
The range of publicly documented equipment and services. This measures documented availability, not clinical quality.
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for international patients.
AI & Search Visibility
Whether the clinic is discoverable when patients search - including via AI assistants. Checked with fixed queries: "best dentist Madrid", "English speaking dentist Madrid", "dental implants Madrid", "emergency dentist Madrid", "Madrid dental clinic for expats".
| ✗ | Mentioned for: best dentist Madrid [sq] | 0/1 |
| ✓ | Mentioned for: English speaking dentist Madrid [sq] | 1/1 |
| ✓ | Mentioned for: dental implants Madrid [sq] | 1/1 |
| ✗ | Mentioned for: emergency dentist Madrid [sq] | 0/1 |
| ✗ | Mentioned for: Madrid dental clinic for expats [sq] | 0/1 |
| ✓ | Structured data on website JSON-LD on the homepage declares the type Organization (alongside WebPage, BreadcrumbList). [knobel-dental-r6s3] | 1.5/1.5 |
| ✓ | Google indexing quality [sq] | 2/2 |
| ✓ | Dedicated service pages [s1] | 1.5/1.5 |
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: CS9959 (REGCESS — Clínica Dental Dr. Alexander Knobel, Madrid) (REGCESS, national, open. Searched Nombre Centro=KNOBEL.) [knobel-dental-lic]
Dentists & professional licences
| Dentist | Specialization | Licence No. |
|---|---|---|
| Dr. Alexander Knobel [s2] [s1] | General dentistry, implants, endodontics | 28009378 |
| Dr. Zied Chaabane [s1] [knobel-dental-doclic] | General dentistry | 28016668 (COEM) |
| Dr. Kimmich [s1] [knobel-dental-doclic] | Endodontics, general dentistry | not verified |
Dentists are named; their licence numbers have not been checked against public sources yet — unverified, no penalty.
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Information Transparency: Real clinic photos
- Reputation & Reviews: TripAdvisor presence
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Emergency care
- Communication & Service: WhatsApp / LINE available
- Communication & Service: Response speed
- Communication & Service: Pre-visit consultation possible
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://knobel.dental/en/ |
|---|---|
| Phone | +34 913 503 348 |
| https://www.facebook.com/knobel.dental | |
| Google Maps | Map listing |
| Address | C/ Francisco Suárez, 23, bajo, 28036 Madrid, Spain |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://knobel.dental/en/ | Own-site homepage names this dentist: 'Alexander Knobel' in the practice bio, and 'Dr. Knobel' repeatedly throughout the page (read 2026-09-10). | 2026-09-10 |
| s2 | https://www.doctoralia.es/dr-alexander-knobel/dentista-higienista-d… | Dr. Knobel professional registration number 28009378; DocDental review data. | 2026-07-12 |
| sq | search:English speaking dentist Madrid / dental implants Madrid | AI/search visibility scout 2026-07-12 | 2026-07-12 |
| knobel-dental-refresh | https://www.google.com/maps/place/Clinica+Dental+Dr.+Knobel/@40.464… | most recent review approx. 11 months ago (top displayed review) | 2026-08-25 |
| knobel-dental-sedation | https://knobel.dental/dentistas-madrid-odontologos/odontologo-zied-… | '2021: Certificación del uso de sedación con óxido nitroso ("gas de la risa")' | 2026-08-25 |
| knobel-dental-doclic | https://coem.org.es/registro-de-colegiados-y-sociedades/directorio-… | searched: Kimmich -> 'No se encontraron colegiados.' (0 results). Only the surname is published on the clinic's site; not found under this spelling in the COEM directory. | 2026-08-25 |
| knobel-dental-lic | https://regcess.mscbs.es/regcessWeb/inicioBuscarCentrosAction.do | searched: KNOBEL — 3 results; matching one: CLINICA DENTAL DR. ALEXANDER KNOBEL (CS9959, Madrid, Clínicas Dentales). | 2026-08-26 |
| knobel-dental-gbp-2026-09-26 | https://www.google.com/maps?cid=7985489551962409087&hl=en | Google listing read on 2026-09-26: rating 4.9 from 74 reviews; star histogram 1★ 2 / 2★ 0 / 3★ 0 / 4★ 1 / 5★ 71; newest review dated 2026-09-15; 1 of the 5 newest reviews carry an owner reply, latest dated 2026-07-27. | 2026-09-26 |
| knobel-dental-r6s3 | https://knobel.dental/en/ | Homepage HTML read on 2026-10-02: JSON-LD types WebPage, BreadcrumbList, WebSite, Organization | 2026-10-02 |
| knobel-dental-deepen | https://www.google.com/maps?cid=7985489551962409087&hl=en | Google listing "Clinica Dental Dr. Knobel" (Dentist, Oral surgeon, Orthodontist), read 2026-10-02 in three review orders (the five lowest-rated, the five newest and the five most relevant): rated 4.9 from 74 reviews (1★ 2 / 2★ 0 / 3★ 0 / 4★ 1 / 5★ 71); 11 distinct reviews read, dated 2023-03-13 to 2026-09-15, 9 with an owner reply | 2026-10-02 |
Change History
| Date | Change |
|---|---|
| 2026-10-02 | Read the clinic's Google listing on 2026-10-02 (its lowest-rated and newest reviews with the star histogram): no repeated complaint; no sign of manipulated reviews. |
| 2026-10-02 | Read the clinic's own website (homepage, robots.txt, sitemap and service pages) for site structure: business structured data present. |
| 2026-09-29 | Corrected 2026-09-29: review recency within 3 months (newest review dated 2026-09-15); owner replies to reviews confirmed on the Google listing (owner reply dated 2026-07-27). |
| 2026-09-10 | Twin parity 2026-09-10 (clinicLicense): this card left the clinic licence unverified; the twin card spain-dental, which publishes the same clinic (same phone and website), holds a sourced value. This card's own 2026-08-25 history records "Clinic establishment licence (REGCESS) not attempted"; the twin searched it on 2026-08-26 (Nombre Centro=KNOBEL, 3 results) and matched CLINICA DENTAL DR. ALEXANDER KNOBEL, CS9959, Madrid. The value, the note and the twin's own cited source(s) are copied here without new research. |
| 2026-09-10 | Twin-parity pass 2026-09-10: recorded why the twin card spain-dental's number 39000810 for "Dr. Kimmich" is still not copied here — it is a Cantabria college number, so this card's COEM (Madrid) search cannot confirm or refute it, and the clinic publishes no first name. Editorial decision: the number stays published on the twin and stays unverified; this row stays "not verified". No value changed. |
| 2026-09-10 | Twin parity review 2026-09-10: the licence number the twin card publishes for "Dr. Kimmich" was deliberately not copied here. It rests on the surname being unique nationally, its province prefix is Cantabria rather than Madrid, and this card's own search of the Madrid college directory returned no colegiado under that surname. The row stays "not verified"; the reasoning is in the row's internal research note. |
| 2026-09-10 | Name-verification pass 2026-09-10: 'Dr. Alexander Knobel' confirmed via own-site homepage, independent of previously-cited aggregator (Doctoralia). Existing license number 28009378 preserved unchanged. |
| 2026-08-25 | License verification 2026-08-25 against COEM Directorio de Colegiados: Dr. Zied Chaabane's colegiado number 28016668 found (unique name match, no clinic address on file); no COEM record found for 'Dr. Kimmich' (surname only, 0 results) -> null, not false. Dr. Alexander Knobel already had a verified license (28009378) on file, so not re-searched. Clinic establishment licence (REGCESS) not attempted. |
| 2026-08-25 | Recorded sedation / general anaesthesia availability (informational): not documented in public sources. certified in nitrous oxide ('gas de la risa') sedation only; no general anaesthesia or deep sedation mentioned |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address, phone and operating status unchanged; newly captured Google rating 4.9 (73 reviews), place URL and coordinates (previously unset). |
| 2026-07-12 | Initial data collection. |
A question or a correction?
Have a question, a suggestion, or a correction to this page? Get in touch — we read every message. Verified data corrections are reviewed against sources and applied with a public change-history entry.