Zahnarztpraxis Dr. Roman Kogan
According to our open methodology, this clinic scored 56.1/100 for transparency, reputation, service accessibility, and digital visibility.
Overall rank: #9 of 15 ranked clinics · Last checked: 25 August 2026
Positions by Rating Profile
- Overall Transparency & Trust#956.1/100
- Best for Expats#953/100
- Best for Dental Implants#1047.5/100
- Best for Emergency Dental Care#653.8/100
- Best Price Transparency#840.6/100
- Best English-speaking Clinics#958.2/100
- Best for Families / Children#757.9/100
- 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.
- Reputation & Reviews: 16 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)
- AI & Search Visibility: 2.5 of 10 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; structured data on website)
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 [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 None of the 11 reviews read from the last 24 months (2024-11-11 to 2026-09-24) carries an owner reply on the Google listing (read 2026-10-05). [dr-roman-kogan-r6rep] | 0/2 |
| ✓ | No recurring complaints Of 277 Google reviews, 11 are one- or two-star (4.0 %); the lowest-rated read (2023-2026) raise different matters (a short consultation, a tooth damaged in treatment, a gum-disease plan tied to insurance, a language mismatch, a disputed review), so no complaint recurs (read 2026-10-05). [dr-roman-kogan-r6rep] | 2/2 |
| ✓ | No suspicious review patterns [s2] | 2/2 |
| ✗ | Active Facebook presence The practice's Facebook page (same phone, 10 followers) carries no posts and no reviews, while its website is live (checked 2026-10-05). [dr-roman-kogan-fb] [dr-roman-kogan-fb-2] | 0/1 |
| ✗ | TripAdvisor presence No TripAdvisor listing found via its search for "Zahnarztpraxis Dr. Roman Kogan Berlin" and "Roman Kogan"; the clinic's site does not link to TripAdvisor (checked 2026-10-05). [dr-roman-kogan-tripadvisor-3] [dr-roman-kogan-tripadvisor-2] | 0/0.5 |
| ✓ | Other review platforms Reviewed on jameda: Dr. Roman Kogan's practice profile has 29 patient reviews. [dr-roman-kogan-deepen] | 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 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 No JSON-LD or microdata found on the homepage or the 3 inner pages read. [dr-roman-kogan-r6s] | 0/1.5 |
| ◐ | Google indexing quality The clinic's own site first appears at position 7 of 9 in a name-and-city web search on 2026-10-02, behind other listings. [dr-roman-kogan-av3] | 1/2 |
| ✓ | 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 & KZV Berlin register entry
| Dentist | Specialization | KZV entry | Notes |
|---|---|---|---|
| Doctor-medic Stom. Roman Kogan [s1] [dr-roman-kogan-lic] | Implantology, endodontics, prosthetics, aesthetics (head practitioner) | not published | Panel dentist registered with KZV Berlin; the association 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)
- Medical Infrastructure: Orthodontics
- Medical Infrastructure: Oral surgery
- 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://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 |
| dr-roman-kogan-deepen | https://www.jameda.de/roman-kogan/zahnarzt/berlin | jameda: profile "Dr. med. dent. Roman Kogan", practice at Schönhauser Allee 48, 10437 Berlin (the clinic's address), 29 patient reviews (checked 2026-10-01) | 2026-10-01 |
| dr-roman-kogan-av3 | search:"Dr. Roman Kogan" Zahnarzt Berlin | Web search run on 2026-10-02 (English, US results) for the clinic's name and city: 9 results listed. Its own pages: kogan-berlin.de (7th) and zahnarztpraxis-kogan.com (home page, 8th). Listed before the first of them: Doctolib (two pages), arzt-auskunft, WhatClinic, arzttermine and aerzte.de. | 2026-10-02 |
| dr-roman-kogan-r6s | https://zahnarztpraxis-kogan.com/ | HTML of the homepage and 3 inner pages (/bleaching/, /parodontitisbehandlung/, /endodontie/) read 2026-10-02: no application/ld+json block and no schema.org itemtype attribute. | 2026-10-02 |
| dr-roman-kogan-fb | https://www.facebook.com/p/Zahnarztpraxis-Dr-Roman-Kogan-1000646689… | Facebook page "Zahnarztpraxis Dr. Roman Kogan" (Berlin) read on 2026-10-05; address Berlin, Germany, 10437; phone +49 30 4440978; website http://www.kogan-berlin.de/; 10 followers; Not yet rated (0 reviews); no posts shown; the page carries no posts | 2026-10-05 |
| dr-roman-kogan-fb-2 | https://zahnarztpraxis-kogan.com | The clinic's website, opened on 2026-10-05: it is live and serves the clinic's pages | 2026-10-05 |
| dr-roman-kogan-r6rep | https://www.google.com/maps?cid=13021757721487082803&hl=en | Google listing "Dr. medic stom. Roman Kogan", read 2026-10-05 with its reviews sorted lowest first, newest first, highest first and by relevance: rating 4.8 from 277 reviews, histogram 10 one-star, 1 two-star, 0 three-star, 1 four-star, 265 five-star; 15 distinct reviews read (dated 2023-04-03 to 2026-09-24), 0 with an owner reply; the lowest-rated reviews read are dated 2023-2026. | 2026-10-02 |
| dr-roman-kogan-tripadvisor-2 | https://zahnarztpraxis-kogan.com | Clinic's website, home page read 2026-10-05: no link to a TripAdvisor page | 2026-10-05 |
| dr-roman-kogan-tripadvisor-3 | https://www.tripadvisor.com/TypeAheadJson?action=API&details=true&q… | TripAdvisor's own search, read 2026-10-05: 12 suggestions for "Zahnarztpraxis Dr. Roman Kogan Berlin" (1 place, 4 attractions, 7 hotels), none of them a dental practice in or near Berlin; 12 suggestions for "Roman Kogan" (2 places, 4 attractions, 6 hotels), none of them a dental practice in or near Berlin; no listing for this clinic | 2026-10-05 |
Change History
| Date | Change |
|---|---|
| 2026-10-05 | TripAdvisor presence checked on 2026-10-05: no listing found for this clinic. |
| 2026-10-05 | Facebook presence checked on 2026-10-05: the clinic's identified page has not posted since it was set up and has no reviews, while the clinic's website is live. |
| 2026-10-02 | Reputation check 2026-10-05 on the clinic's Google listing (15 reviews read): recurring complaints no, owner replies to reviews no. |
| 2026-10-02 | Read the clinic website (homepage, sitemap and service pages): no structured data found. |
| 2026-10-02 | Google indexing quality changed from good to partial after a name-and-city web search on 2026-10-02 (own site first listed at position 7 of 9). |
| 2026-10-01 | Other review platforms re-checked on 2026-10-01: jameda profile of the practice owner with 29 reviews; the datum previously rested on a page that copies its Google listing. |
| 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.