Mark Shimizu, DDS
- Part D claims, 2024
- 15
- Industry payments
- $23
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 400 N Maclay Ave, San Fernando, CA 91340-2417
- Practice phone
- Call (818) 361-4084
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riley Dental Group
Dental practice · San Fernando, California
Find Mark Shimizu'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 Shimizu is a general practice dentistry in San Fernando, California
Mark Shimizu practices at Riley Dental Group in San Fernando, California.
Mark Shimizu's NPI, 1316289069, was assigned on March 20, 2013. Mark Shimizu holds California license 28814.
- NPI
- 1316289069NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2013
- NPI status
- Active
- Practice phone
- (818) 361-4084
- 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 Shimizu practices at Riley Dental Group in San Fernando, California
Mark Shimizu's primary practice is Riley Dental Group, at 400 N Maclay Ave, San Fernando, CA 91340-2417. The practice phone is (818) 361-4084.
- Riley Dental Group400 N Maclay Ave, San Fernando, CA 91340-2417Phone(818) 361-4084
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Shimizu is affiliated with 2 sites of care and 2 medical groups
Mark Shimizu's primary practice is Riley Dental Group in San Fernando, California. Dmand AI also links Mark Shimizu to 2 medical groups and 1 group practice or clinic, each 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 Shimizu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Shimizu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riley Dental Group | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Shimizu is one of 7,627 general practice dentistrys in California
General practice is Mark Shimizu's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Mark Shimizu is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near Mark Shimizu
Counts of general practice dentistrys 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 Shimizu wrote 15 Medicare Part D claims in 2024
In 2024, Mark Shimizu wrote 15 Medicare Part D claims. 100% of them were for generic drugs.
Drug classes CMS tracks in Mark Shimizu's Part D claims, 2024
- Antibiotics87%13 of 15 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
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Mark Shimizu received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mark Shimizu from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $23.
Companies that paid Mark Shimizu 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 Shimizu'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 Shimizu
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 Shimizu's NPI number?
Mark Shimizu's NPI number is 1316289069. It was assigned on March 20, 2013, and it is active in the NPI Registry.
What does Mark Shimizu specialize in?
Mark Shimizu is a general practice dentistry in San Fernando, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Mark Shimizu practice?
Mark Shimizu practices at 400 N Maclay Ave, San Fernando, CA 91340-2417. Mark Shimizu's primary practice is Riley Dental Group in San Fernando, California. Dmand AI also links Mark Shimizu to 2 medical groups and 1 group practice or clinic.
What is Mark Shimizu's office phone number?
The practice phone on file for Mark Shimizu is (818) 361-4084.
What is Mark Shimizu's medical license number?
Mark Shimizu holds California license 28814.
Has Mark Shimizu received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Mark Shimizu from 1 company from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Mark Shimizu been practicing?
Mark Shimizu's NPI was assigned in 2013.
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