John William Gillan, DDS, MS
- Industry payments
- $59
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 2220 W Southern Avenue, Mesa, AZ 85202-4704
- Practice phone
- Call (480) 834-7100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endodontic Specialists
Dental practice · Mesa, Arizona
Find John Gillan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John William Gillan is an endodontist in Mesa, Arizona
John Gillan practices at Endodontic Specialists in Mesa, Arizona.
John Gillan's NPI, 1417902107, was assigned on May 23, 2006. John Gillan holds Arizona license #2278.
- NPI
- 1417902107NPI Registry (opens in a new tab)
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Practice phone
- (480) 834-7100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John William Gillan practices at Endodontic Specialists in Mesa, Arizona
John Gillan's primary practice is Endodontic Specialists, at 2220 W Southern Avenue, Mesa, AZ 85202-4704. The practice phone is (480) 834-7100.
- Endodontic Specialists2220 W Southern Avenue, Mesa, AZ 85202-4704Phone(480) 834-7100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John William Gillan is affiliated with 1 site of care and 1 medical group
John Gillan's primary practice is Endodontic Specialists in Mesa, Arizona. Dmand AI also links John Gillan to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John William Gillan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Gillan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endodontic Specialists | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John William Gillan is one of 87 endodontists in Arizona
Endodontics is John Gillan's primary specialty in the NPI Registry, under taxonomy code 1223E0200X. John Gillan is licensed in Arizona.
Specialties and state licenses
- Endodontist, ArizonaPrimary
Endodontists near John Gillan
Counts of endodontists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John William Gillan received $59 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Gillan from 1 drug or device company in 2025. Speaker and faculty fees make up the largest share, 100% of the total. Septodont Inc. paid the most, $59.
Companies that paid John Gillan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for John William Gillan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John William Gillan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John William Gillan's NPI number?
John William Gillan's NPI number is 1417902107. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What does John William Gillan specialize in?
John William Gillan is an endodontist in Mesa, Arizona. The primary specialty in the NPI Registry is Endodontist (taxonomy code 1223E0200X).
Where does John William Gillan practice?
John Gillan practices at 2220 W Southern Avenue, Mesa, AZ 85202-4704. John Gillan's primary practice is Endodontic Specialists in Mesa, Arizona. Dmand AI also links John Gillan to 1 medical group.
What is John William Gillan's office phone number?
The practice phone on file for John Gillan is (480) 834-7100.
What is John William Gillan's medical license number?
John Gillan holds Arizona license #2278.
Has John William Gillan received payments from drug or device companies?
CMS Open Payments shows $59 in general payments to John Gillan from 1 company from 2025 to 2025. The largest total came from Septodont Inc.
How long has John William Gillan been practicing?
John Gillan's NPI was assigned in 2006.
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