Zahnarztpraxis Dr. Roman Kogan
According to our open methodology, this clinic scored 53/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #6 of 15 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#653/100
- Best for Expats#750/100
- Best for Dental Implants#744.5/100
- Best for Emergency Dental Care#550.3/100
- Best Price Transparency#537.2/100
- Best English-speaking Clinics#755.2/100
- Best for Families / Children#653.9/100
- 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 Site lists root canals, implants, children's dentistry; no sedation/GA mention.
Summary
Practice of Doctor-medic Stom. Roman Kogan in Berlin-Prenzlauer Berg offering prophylaxis, bleaching, periodontitis and endodontic treatment, fillings, implantology, pediatric care, veneers and prosthetics with an in-house laboratory and installment payment options. Staff are multilingual (German, English, Russian, Ukrainian, Romanian, Hungarian) and the site has an English version.
Strengths
- Information Transparency: 20 of 20 points.
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)
- AI & Search Visibility: 3.5 of 8.5 verifiable points (missing: mentioned for: best dentist Berlin; mentioned for: English speaking dentist Berlin; mentioned for: dental implants Berlin; mentioned for: emergency dentist Berlin; mentioned for: Berlin dental clinic for expats)
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] | 2/2 |
| ✓ | Real clinic photos [s1] | 2/2 |
| ✓ | 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.
| ✗ | Prices or price ranges published [s1] | 0/3 |
| ✗ | Cleaning price listed [s1] | 0/2 |
| ✗ | Filling price listed [s1] | 0/2 |
| ✗ | Crown price listed [s1] | 0/2 |
| ✗ | Implant price listed [s1] | 0/2 |
| ✗ | Consultation price listed [s1] | 0/2 |
| ✗ | X-ray / imaging price listed [s1] | 0/2 |
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 [dr-roman-kogan-refresh] | 6/6 |
| ◐ | Google review volume [dr-roman-kogan-refresh] | 2.5/3 |
| ✓ | Review recency [dr-roman-kogan-refresh] | 3/3 |
| ? | Clinic responds to reviews | 0/2 |
| ? | No recurring complaints | 0/2 |
| ✓ | No suspicious review patterns [s2] | 2/2 |
| ? | Active Facebook presence | 0/1 |
| ? | TripAdvisor presence | 0/0.5 |
| ✓ | Other review platforms Jameda 5.0 (29), DocInsider, Yelp, Doctolib, sanego. [s2] | 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 | 0/2 |
| ? | Oral surgery | 0/2 |
| ✓ | Pediatric dentistry Kinderbehandlung. [s1] | 1.5/1.5 |
| ✓ | Emergency care Notdienstplan mentioned. [s1] | 1.5/1.5 |
| ✓ | Works with international patients Multilingual staff; English site. [s1] | 2/2 |
Communication & Service
How easy it is to contact the clinic, get answers, and book - especially for non-Thai speakers.
| ✗ | WhatsApp / LINE available [s1] | 0/2 |
| ? | Response speed | 0/1.5 |
| ✓ | English spoken [s1] | 2.5/2.5 |
| ? | Pre-visit consultation possible | 0/1.5 |
| ✓ | Clear service explanations [s1] | 1/1 |
| ✓ | Convenient opening hours Mon-Thu 08-19, Fri-Sat 08-16. [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 Berlin", "English speaking dentist Berlin", "dental implants Berlin", "emergency dentist Berlin", "Berlin dental clinic for expats".
| ✗ | Mentioned for: best dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: English speaking dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: dental implants Berlin [sq] | 0/1 |
| ✗ | Mentioned for: emergency dentist Berlin [sq] | 0/1 |
| ✗ | Mentioned for: Berlin dental clinic for expats [sq] | 0/1 |
| ? | Structured data on website | 0/1.5 |
| ✓ | Google indexing quality [s2] | 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: Registered Vertragszahnarztpraxis — KZV Berlin Zahnarztsuche (practice: 'Doctor-medic stom./Inst.Klaus., Roman Kogan, Zahnarzt', Schönhauser Allee 48, 10437 Berlin - Prenzlauer Berg) (KZV Berlin (scope both, open, name search); searched 'Roman Kogan' — matched exactly on address with clinics.json (Schönhauser Allee 48, 10437 Berlin); registry shows a different domain (kogan-berlin.de) than clinics.json (zahnarztpraxis-kogan.com). 2026-08-25.) [dr-roman-kogan-lic]
Dentists & professional licences
| Dentist | Specialization | Licence No. |
|---|---|---|
| Doctor-medic Stom. Roman Kogan [s1] [dr-roman-kogan-lic] | Implantology, endodontics, prosthetics, aesthetics (head practitioner) | Zahnarzt — registered (Vertragszahnarzt) with KZV Berlin as 'Doctor-medic stom./Inst.Klaus. Roman Kogan', practicing at Schönhauser Allee 48, 10437 Berlin - Prenzlauer Berg (title format matches the unusual Romanian/Moldovan-style qualification used on clinics.json) |
Red Flags
- low Opaque or bait pricing (-2 pts) — No prices or price ranges published (derived from data).
Red-flag penalty applied: -2 points (capped at -20).
Data We Could Not Verify
- Reputation & Reviews: Clinic responds to reviews
- Reputation & Reviews: No recurring complaints
- Reputation & Reviews: Active Facebook presence
- Reputation & Reviews: TripAdvisor presence
- Medical Infrastructure: On-site X-ray
- Medical Infrastructure: CBCT (3D imaging)
- Medical Infrastructure: Orthodontics
- Medical Infrastructure: Oral surgery
- Communication & Service: Response speed
- Communication & Service: Pre-visit consultation possible
- AI & Search Visibility: Structured data on website
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://zahnarztpraxis-kogan.com |
|---|---|
| Phone | +49 30 444 09 78 |
| Google Maps | Map listing |
| Address | Schönhauser Allee 48, 10437 Berlin |
Contact details are provided for identification only and may change; verify with the clinic directly.
Sources
| ID | Source | What it supports | Accessed |
|---|---|---|---|
| s1 | https://zahnarztpraxis-kogan.com | Name, address, phone, email, dentist, services, English version, multilingual staff, emergency, hours, photos. | 2026-07-08 |
| s2 | https://yably.de/bewertungen/berlin/zahnarztpraxis-dr-kogan-schoenh… | Google 4.80/5 (236 reviews), Jameda 5.0 (29), DocInsider. | 2026-07-08 |
| sq | search:best dentist Berlin / English speaking dentist Berlin / dental implants Berlin / emergency dentist Berlin / Berlin dentist for expats | AI/search visibility queries. | 2026-07-08 |
| dr-roman-kogan-refresh | https://www.google.com/maps/place/Dr.+medic+stom.+Roman+Kogan/@52.5… | most recent review 3 weeks ago (as of 2026-08-25) | 2026-08-25 |
| dr-roman-kogan-lic | https://www.kzv-berlin.de/fuer-patienten/zahnarztsuche | searched: Roman Kogan — listed as tätig in Doctor-medic stom./Inst.Klaus., Roman Kogan, Zahnarzt, Schönhauser Allee 48, 10437 Berlin - Prenzlauer Berg, Tel: 4440978, www.kogan-berlin.de; two other dentists (Tarek Tantush, Inna Kondratieva) also listed at this practice. | 2026-08-25 |
Change History
| Date | Change |
|---|---|
| 2026-08-25 | License verification 2026-08-25 against KZV Berlin Zahnarztsuche: clinic and sole named dentist Roman Kogan confirmed as an active Vertragszahnarzt at the clinic's exact address, with the same distinctive 'Doctor-medic stom.' title format used on the clinic's own site. |
| 2026-08-25 | Re-verification 2026-08-25: confirmed website live, address, phone unchanged; rating steady at 4.8 but review count corrected from stale 236 to current 272; captured geo coordinates and Maps URL; operating status open. |
| 2026-07-08 | 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.