Robert Jonathan Masuda Frey, DDS, MPH
Dentist · San Diego, CA
Robert Jonathan Masuda Frey, DDS, MPH is a dentist with a practice address in San Diego, California, and NPI 1902367485, issued on Mar 27, 2019. Check the license (California 105089, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Jonathan Masuda Frey
- Credential
- DDS, MPH
- Primary taxonomy
- Dentist 122300000X
- License number
- 105089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8989 Rio San Diego Dr Ste 170, San Diego, CA 92108
- Phone
- (619) 280-9100
- Enumerated
- Mar 27, 2019
- Record last updated
- Jul 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Robert Jonathan Masuda Frey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 105089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $241.26
2 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Jonathan Masuda Frey among 14,729 dentist records in California
Robert Jonathan Masuda Frey, DDS, MPH is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in California
There are 14,729 dentist records in California.
All 14,729 in California → Every provider in San Diego → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ellameh Allamehzadeh, DDSSan Diego, CA 921081033207287
- David Bainer, D,D,S,San Diego, CA 921081457674699
- Craig Bowles, D.M.D.San Diego, CA 921081326267410
- Sasson Brumand, DMDSan Diego, CA 921081013039122
- James Isaacson, DDSSan Diego, CA 921081326266016
- Junghun Kim, DDSSan Diego, CA 921081770925414
- Viet Le, DDSSan Diego, CA 921081831638329
- Arthur Miller, DDSSan Diego, CA 921081598756249
Common questions
What is Robert Jonathan Masuda Frey, DDS, MPH's NPI number?
Robert Jonathan Masuda Frey, DDS, MPH's National Provider Identifier (NPI) is 1902367485, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Robert Jonathan Masuda Frey, DDS, MPH located?
The NPPES record lists a practice address at 8989 Rio San Diego Dr Ste 170, San Diego, CA, 92108. Phone: (619) 280-9100. Providers update this record themselves, so call before visiting.
How can I verify Robert Jonathan Masuda Frey, DDS, MPH's license?
NPPES lists California license number 105089, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.