Gregory N. Guichet, DDS
- Industry payments
- $66
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 1310 W Stewart Dr, Orange, CA 92868-3854
- Practice phone
- Call (714) 771-7555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Guichet & Guichet
Dental practice · Orange, California
Find Gregory Guichet'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.
Gregory N. Guichet is a prosthodontist in Orange, California
Gregory Guichet practices at Guichet & Guichet in Orange, California.
Gregory Guichet's NPI, 1437222718, was assigned on November 16, 2006. Gregory Guichet holds California license 31274.
- NPI
- 1437222718NPI Registry (opens in a new tab)
- NPI enumeration date
- November 16, 2006
- NPI status
- Active
- Practice phone
- (714) 771-7555
- 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)
Gregory N. Guichet practices at Guichet & Guichet in Orange, California
Gregory Guichet's primary practice is Guichet & Guichet, at 1310 W Stewart Dr, Orange, CA 92868-3854. The practice phone is (714) 771-7555.
- Guichet & Guichet1310 W Stewart Dr, Orange, CA 92868-3854Phone(714) 771-7555
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory N. Guichet is affiliated with 1 site of care and 1 medical group
Gregory Guichet's primary practice is Guichet & Guichet in Orange, California. Dmand AI also links Gregory Guichet 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 Gregory N. Guichet's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Guichet practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guichet & Guichet | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Gregory N. Guichet is one of 159 prosthodontists in California
Prosthodontics is Gregory Guichet's primary specialty in the NPI Registry, under taxonomy code 1223P0700X. Gregory Guichet is licensed in California.
Specialties and state licenses
- Prosthodontist, CaliforniaPrimary
Prosthodontists near Gregory Guichet
Counts of prosthodontists 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
Gregory N. Guichet received $66 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gregory Guichet from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $66.
Companies that paid Gregory Guichet 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 Gregory N. Guichet'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 Gregory N. Guichet
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory N. Guichet's NPI number?
Gregory N. Guichet's NPI number is 1437222718. It was assigned on November 16, 2006, and it is active in the NPI Registry.
What does Gregory N. Guichet specialize in?
Gregory N. Guichet is a prosthodontist in Orange, California. The primary specialty in the NPI Registry is Prosthodontist (taxonomy code 1223P0700X).
Where does Gregory N. Guichet practice?
Gregory Guichet practices at 1310 W Stewart Dr, Orange, CA 92868-3854. Gregory Guichet's primary practice is Guichet & Guichet in Orange, California. Dmand AI also links Gregory Guichet to 1 medical group.
What is Gregory N. Guichet's office phone number?
The practice phone on file for Gregory Guichet is (714) 771-7555.
What is Gregory N. Guichet's medical license number?
Gregory Guichet holds California license 31274.
Has Gregory N. Guichet received payments from drug or device companies?
CMS Open Payments shows $66 in general payments to Gregory Guichet from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Gregory N. Guichet been practicing?
Gregory Guichet's NPI was assigned in 2006.
Selling to prosthodontics practices?
See prosthodontists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card