Mark Charles Fagan, DDS
- Part D claims, 2024
- 416
- Industry payments
- $92
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1660 Willow St Ste 3 Suite 3, San Jose, CA 95125-5101
- Practice phone
- Call (408) 269-1060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richard T. Kao, DDS - Dental
Dental practice · San Jose, California
Find Mark Fagan'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.
Mark Charles Fagan is a periodontist in San Jose, California
Mark Fagan practices at Richard T. Kao, DDS - Dental in San Jose, California.
Mark Fagan's NPI, 1376562827, was assigned on July 18, 2006. Mark Fagan holds California license 38419.
- NPI
- 1376562827NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Practice phone
- (408) 269-1060
- 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)
Mark Charles Fagan practices at Richard T. Kao, DDS - Dental in San Jose, California
Mark Fagan's primary practice is Richard T. Kao, DDS - Dental, at 1660 Willow St Ste 3 Suite 3, San Jose, CA 95125-5101. The practice phone is (408) 269-1060.
- Richard T. Kao, DDS - Dental1660 Willow St Ste 3 Suite 3, San Jose, CA 95125-5101Phone(408) 269-1060
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Charles Fagan is affiliated with 1 site of care and 1 medical group
Mark Fagan's primary practice is Richard T. Kao, DDS - Dental in San Jose, California. Dmand AI also links Mark Fagan 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 Mark Charles Fagan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Fagan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richard T. Kao, DDS - Dental | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Mark Charles Fagan is one of 371 periodontists in California
Periodontics is Mark Fagan's primary specialty in the NPI Registry, under taxonomy code 1223P0300X. Mark Fagan is licensed in California.
Specialties and state licenses
- Periodontist, CaliforniaPrimary
Periodontists near Mark Fagan
Counts of periodontists 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
Mark Charles Fagan wrote 416 Medicare Part D claims in 2024
In 2024, Mark Fagan wrote 416 Medicare Part D claims for 209 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Mark Fagan's Part D claims, 2024
- Opioids46%190 of 416 claims
- Antibiotics51%213 of 416 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mark Charles Fagan received $92 in industry payments in 2025
CMS Open Payments shows 4 general payments to Mark Fagan 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, $92.
Companies that paid Mark Fagan 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 Mark Charles Fagan'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) |
| 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 Mark Charles Fagan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Charles Fagan's NPI number?
Mark Charles Fagan's NPI number is 1376562827. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What does Mark Charles Fagan specialize in?
Mark Charles Fagan is a periodontist in San Jose, California. The primary specialty in the NPI Registry is Periodontist (taxonomy code 1223P0300X).
Where does Mark Charles Fagan practice?
Mark Fagan practices at 1660 Willow St Ste 3 Suite 3, San Jose, CA 95125-5101. Mark Fagan's primary practice is Richard T. Kao, DDS - Dental in San Jose, California. Dmand AI also links Mark Fagan to 1 medical group.
What is Mark Charles Fagan's office phone number?
The practice phone on file for Mark Fagan is (408) 269-1060.
What is Mark Charles Fagan's medical license number?
Mark Fagan holds California license 38419.
Has Mark Charles Fagan received payments from drug or device companies?
CMS Open Payments shows $92 in general payments to Mark Fagan from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Mark Charles Fagan been practicing?
Mark Fagan's NPI was assigned in 2006.
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