John M. Chan, DDS
- Part D claims, 2024
- 54
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2010
- Practice address
- 54 Fenton St, Livermore, CA 94550-4144
- Practice phone
- Call (925) 455-1232
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gerald P Hawkins
Dental practice · Livermore, California
Find John Chan'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 M. Chan is a dentist in Livermore, California
John Chan practices at Gerald P Hawkins in Livermore, California.
John Chan's NPI, 1407156375, was assigned on October 26, 2010. John Chan holds California license 48891.
- NPI
- 1407156375NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2010
- NPI status
- Active
- Practice phone
- (925) 455-1232
- 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 M. Chan practices at Gerald P Hawkins in Livermore, California
John Chan's primary practice is Gerald P Hawkins, at 54 Fenton St, Livermore, CA 94550-4144. The practice phone is (925) 455-1232.
- Gerald P Hawkins54 Fenton St, Livermore, CA 94550-4144Phone(925) 455-1232
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John M. Chan is affiliated with 1 site of care and 1 medical group
John Chan's primary practice is Gerald P Hawkins in Livermore, California. Dmand AI also links John Chan 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 M. Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Chan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gerald P Hawkins | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John M. Chan is one of 6,282 dentists in California
Dentist is John Chan's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Chan is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near John Chan
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
John M. Chan wrote 54 Medicare Part D claims in 2024
In 2024, John Chan wrote 54 Medicare Part D claims for 30 patients. 98% of them were for generic drugs.
John Chan's Part D claims by kind of drug, 2024
- Generic53 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in John Chan's Part D claims, 2024
- Antibiotics81%44 of 54 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for John M. Chan'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 M. Chan
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 M. Chan's NPI number?
John M. Chan's NPI number is 1407156375. It was assigned on October 26, 2010, and it is active in the NPI Registry.
What does John M. Chan specialize in?
John M. Chan is a dentist in Livermore, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does John M. Chan practice?
John Chan practices at 54 Fenton St, Livermore, CA 94550-4144. John Chan's primary practice is Gerald P Hawkins in Livermore, California. Dmand AI also links John Chan to 1 medical group.
What is John M. Chan's office phone number?
The practice phone on file for John Chan is (925) 455-1232.
What is John M. Chan's medical license number?
John Chan holds California license 48891.
How long has John M. Chan been practicing?
John Chan's NPI was assigned in 2010.
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