# Dr John McCullough

Canonical profile: https://book\.xonark\.com/dentist/dr\-john\-mccullough

This is an evidence-backed public directory profile: each fact carries the day it was read. A fact listed as not stated has no supported source; that does not mean the clinic lacks it.

## Facts

- **Hours:** Monday: 7:30am \- 8:00pm; Tuesday: 7:30am \- 7:00pm; Wednesday: 7:30am \- 7:00pm; Thursday: 8:00am \- 5:30pm; Friday: 8:30am \- 1:00pm (read 2026\-10\-03)
- **Phone:** \(905\) 374\-8184 (read 2026\-07\-02)
- **Website:** http://www\.mcculloughgroup\.ca/ (read 2026\-10\-03)
- **Accepting New Patients:** yes (read 2026\-10\-03)
- **Services:** Family Dentistry, Implants, Whitening, Dentures, Dentistry Asleep, Intravenous Sedation, Cosmetic Dentistry, General Dentistry, Complete On\-site Denture Service, Digital X\-rays, Implant Placement and Restoration, Oral sedation (read 2026\-10\-03)
- **Providers:** Dr\. John McCullough \(DDS\), Dr\. Justus Tremblay \(DMD\), Joseph Della Marina \(DD\), Cora Long \(DD\), William \(Registered Dental Hygienist\), Cathy Szigeti \(Registered Dental Hygienist\) (read 2026\-10\-03)
- **Payment Coverage:** Payment in full at the commencement of treatment, payment plan over the course of the treatment, Interest\-free financing, No Interest Plans for 6 or 12 months, PayBright, CDCP (read 2026\-10\-03)
- **Accessibility:** Fully Accessible, Wifi Available (read 2026\-10\-03)

Not stated in any supported source: emergency, languages, patient mentions.

Address: 3690 Portage Rd, Niagara Falls, ON

## Actions

- Request an appointment — [follow https://book.xonark.com/dentist/dr-john-mccullough/book/xona_email_appointment_request](https://book.xonark.com/dentist/dr-john-mccullough/book/xona_email_appointment_request) (opens Xona's request form; the clinic confirms by email or phone)
- Call the clinic — [follow https://book.xonark.com/dentist/dr-john-mccullough/book/call_clinic](https://book.xonark.com/dentist/dr-john-mccullough/book/call_clinic) (opens the clinic's phone number as a tel: link; nothing to fetch)
- Visit the clinic website — [follow https://book.xonark.com/dentist/dr-john-mccullough/book/visit_clinic_website](https://book.xonark.com/dentist/dr-john-mccullough/book/visit_clinic_website) (attributed redirect straight to the clinic's own page)

## Sources

- Clinic website, mcculloughgroup\.ca. URL: https://www\.mcculloughgroup\.ca/. Read 2026\-10\-03
- Google Business Profile. URL: https://www\.google\.com/maps/place/Dr\+John\+McCullough/data=\!4m7\!3m6\!1s0x89d35d247d8d507b:0x8d2e3c0d0483af45\!8m2\!3d43\.119651\!4d\-79\.099104\!16s%2Fg%2F11rzhj639w\!19sChIJe1CNfSRd04kRRa\-DBA08Lo0?authuser=0&hl=en&rclk=1. Read 2026\-07\-02
- Directory record. URL: https://www\.mcculloughgroup\.ca/. Read 2026\-10\-03