Gary Harnois, DDS
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 650 International Blvd Ste A Suite A, Oakland, CA 94606-2987
- Practice phone
- Call (510) 836-4755
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hp Dental Group
Dental practice · Oakland, California
Find Gary Harnois' 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.
Gary Harnois is a dentist in Oakland, California
Gary Harnois practices at Hp Dental Group in Oakland, California.
Gary Harnois' NPI, 1558557835, was assigned on September 19, 2007. Gary Harnois holds California license D21893.
- NPI
- 1558557835NPI Registry (opens in a new tab)
- NPI enumeration date
- September 19, 2007
- NPI status
- Active
- Practice phone
- (510) 836-4755
- 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)
Gary Harnois practices at Hp Dental Group in Oakland, California
Gary Harnois' primary practice is Hp Dental Group, at 650 International Blvd Ste A Suite A, Oakland, CA 94606-2987. The practice phone is (510) 836-4755.
- Hp Dental Group650 International Blvd Ste A Suite A, Oakland, CA 94606-2987Phone(510) 836-4755
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gary Harnois is affiliated with 1 site of care and 1 medical group
Gary Harnois' primary practice is Hp Dental Group in Oakland, California. Dmand AI also links Gary Harnois 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 Gary Harnois' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gary Harnois practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hp Dental Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gary Harnois is one of 6,282 dentists in California
Dentist is Gary Harnois' primary specialty in the NPI Registry, under taxonomy code 122300000X. Gary Harnois is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Gary Harnois
Counts of dentists 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
Sources for Gary Harnois'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) |
| 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 Gary Harnois
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gary Harnois' NPI number?
Gary Harnois' NPI number is 1558557835. It was assigned on September 19, 2007, and it is active in the NPI Registry.
What does Gary Harnois specialize in?
Gary Harnois is a dentist in Oakland, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Gary Harnois practice?
Gary Harnois practices at 650 International Blvd Ste A Suite A, Oakland, CA 94606-2987. Gary Harnois' primary practice is Hp Dental Group in Oakland, California. Dmand AI also links Gary Harnois to 1 medical group.
What is Gary Harnois' office phone number?
The practice phone on file for Gary Harnois is (510) 836-4755.
What is Gary Harnois' medical license number?
Gary Harnois holds California license D21893.
How long has Gary Harnois been practicing?
Gary Harnois' NPI was assigned in 2007.
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