Clínica Dental Dr. Knobel
According to our open methodology, this clinic scored 60.6/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #14 of 27 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#1460.6/100
- Best for Expats#1557.5/100
- Best for Dental Implants#1457/100
- Best for Emergency Dental Carenot ranked
- Best Price Transparency#1940.1/100
- Best English-speaking Clinics#1560.7/100
- Best for Families / Children#1262.4/100
- 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.
- 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 Owner replies to reviews on the Google listing: 1 of the 5 newest reviews answered, owner reply dated 2026-07-27 (read 2026-09-26). [knobel-dental-gbp-2026-09-26] | 2/2 |
| ? | No recurring complaints | 0/2 |
| ? | No suspicious review patterns | 0/2 |
| ✓ | 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 Spain", "English speaking dentist Spain", "dental implants Spain", "emergency dentist Spain", "Spain dental clinic for expats".
| ✗ | Mentioned for: best dentist Spain [sq] | 0/1 |
| ✓ | Mentioned for: English speaking dentist Spain [sq] | 1/1 |
| ✓ | Mentioned for: dental implants Spain [sq] | 1/1 |
| ✗ | Mentioned for: emergency dentist Spain [sq] | 0/1 |
| ✗ | Mentioned for: Spain dental clinic for expats [sq] | 0/1 |
| ✓ | Structured data on website JSON-LD on the homepage declares Organization. [knobel-dental-deepen] | 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 |
| Dr. Kimmich [s1] [knobel-dental-doclic-2] | Endodontics, general dentistry | 39000810 |
Red Flags
No red flags identified in the public sources we reviewed.
Data We Could Not Verify
- Information Transparency: Real clinic photos
- Reputation & Reviews: No recurring complaints
- Reputation & Reviews: No suspicious review patterns
- 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 roster page names this dentist (read 2026-09-10): nav menu item 'Dr. Alexander Knobel' linking to his dedicated dentist bio page on the clinic's own site. | 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/Cl%C3%ADnica+Dental+Dr+Knobel+Madrid | Google Search knowledge panel (live Maps data embedded in SERP) shows 4.9★ (73 reviews) as of 2026-08-25; the Maps page itself was not accessible directly, so the panel embed was used instead. | 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-doclic | https://guiadentistas.es/detail.php?numcol=28016668 | searched: Apellido1=Chaabane (GuiaDentistas) — exact match ZIED CHAABANE, colegiado Madrid (28). | 2026-08-26 |
| knobel-dental-doclic-2 | https://guiadentistas.es/detail.php?numcol=39000810 | searched: Apellido1=Kimmich (GuiaDentistas) — sole national match MAGDALENA KIMMICH, colegiada Cantabria (39). First name not given on clinic site; identity not fully confirmed, only one Kimmich exists nationally. | 2026-08-26 |
| 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-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-deepen | https://knobel.dental/en/ | Homepage HTML read on 2026-10-02: JSON-LD declares the type Organization, alongside WebPage, BreadcrumbList and WebSite. | 2026-10-02 |
Change History
| Date | Change |
|---|---|
| 2026-10-02 | Read the clinic's website HTML on 2026-10-02: 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). |
| 2026-09-17 | Aligned with the clinic's entry on madriddentalrating.com: recorded Review recency (within_year), General anaesthesia / deep sedation (sleep dentistry) (no) from sources read on 2026-08-25. |
| 2026-09-10 | Twin-parity pass 2026-09-10: the published number 39000810 for "Dr. Kimmich" is kept by editorial decision, with the reason it is not verified recorded in the row's internal research note — the number belongs to the Cantabria college (prefix 39) while the clinic is in Madrid, and COEM, the register the twin card searched, is not the register that would hold it. No value changed. |
| 2026-09-10 | Alexander Knobel confirmed independently via clinic's own site (dedicated dentist page linked from main nav). Existing license 28009378 (from prior aggregator source) left unchanged. |
| 2026-08-26 | License verification 2026-08-26: clinic authorization CS9959 found via REGCESS. Zied Chaabane's colegiado number found; Kimmich matched to sole national 'Kimmich' record with some identity uncertainty (first name not published). |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website, address, phone unchanged; newly captured Google rating 4.9 (73 reviews), previously unset. |
| 2026-08-18 | Imported from the city-tier dataset (data originally collected 2026-07-12). |
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.