# Diefenbacher Donovan Sieber Dental

> Diefenbacher Donovan Sieber Dental, dentist in Kitchener, ON at 10 Lancaster St W. See hours, phone number, address and directions.

Canonical: https://canadiandentist.ca/dentist/diefenbacher-donovan-sieber-dental-kitchener
Last updated: 2026-10-25

Dentist · Kitchener, ON

| Detail | Value |
| --- | --- |
| Type | [Dentist](https://canadiandentist.ca/ontario/kitchener/dentists) |
| Location | 10 Lancaster St W, Kitchener, ON N2H 0A5 |
| Phone | (519) 743-3671 |
| Website | https://www.ddsdentalcare.ca |

## Hours

| Day | Hours |
| --- | --- |
| Monday | 8 am – 8 pm |
| Tuesday | 8 am – 6 pm |
| Wednesday | 7:10 am – 6 pm |
| Thursday | 7:10 am – 5 pm |
| Friday | 7:10 am – 4 pm |
| Saturday | — |
| Sunday | — |

## Before you book

- Ask whether the clinic is taking new patients, and how soon the first appointment is.
- Ask whether they bill your insurance (or Sun Life, for the CDCP) directly, and what you will owe.
- Hours change on holidays: call before you go.

- [Check a dentist's licence (Royal College of Dental Surgeons of Ontario (RCDSO))](https://www.rcdso.org/find-a-dentist)
- [The CDCP, explained](https://canadiandentist.ca/guides/canadian-dental-care-plan-dentists)

## More dentists near Diefenbacher Donovan Sieber Dental

- [Kitchener East Family Dental](https://canadiandentist.ca/dentist/kitchener-east-family-dental-kitchener) - 85 East Ave · (519) 578-2419 · Hours listed
- [Dr. Jitendra Gangwani](https://canadiandentist.ca/dentist/dr-jitendra-gangwani-kitchener) - 85 East Ave · (519) 578-2419 · Hours listed
- [Fulop Susan Dr](https://canadiandentist.ca/dentist/fulop-susan-dr-kitchener) - 385 Frederick St · (519) 743-5532
- [Frederick Dental Kitchener](https://canadiandentist.ca/dentist/frederick-dental-kitchener) - 447 Frederick St · (519) 513-4550 · Hours listed
- [Kitchener Krown Dental](https://canadiandentist.ca/dentist/kitchener-krown-dental-kitchener) - 385 Frederick St · (519) 265-9988 · Hours listed
- [Dental Solutions - Dr. J. Gangwani & Dr. Mike Narayansingh (Orthodontics, Cosmetic, General, Emergency)](https://canadiandentist.ca/dentist/dental-solutions-dr-j-gangwani-and-dr-mike-narayansingh-orthodontics-kitchener) - 97 Frederick St · (519) 578-4500 · Hours listed

Compiled from public business listings and the clinic's own website. Last checked October 2026.

## Related

- [All dentists in Kitchener, ON](https://canadiandentist.ca/ontario/kitchener)
- [Dentists in Kitchener, ON](https://canadiandentist.ca/ontario/kitchener/dentists)