Robert Mario Fernandez, DDS
Dentist · San Mateo, CA
Robert Mario Fernandez, DDS is a dentist with a practice address in San Mateo, California, and NPI 1477763134, issued on May 23, 2007. Check the license (California 26756, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert Mario Fernandez
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 26756 CA
Self-reported in NPPES; status is on the state search - Practice location
- 256 N San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 344-7121
- Enumerated
- May 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 347-7763
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 256 N San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Asai, DDSDentist1265502645
- Annaliese Carlsmith, DDSGeneral Practice Dentistry1497083778
- Maybelle Gomez, DDS, MSDOrthodontics and Dentofacial Orthopedics Dentistry1144592940
- Ronald Hwang, D.M.D.General Practice Dentistry1245390178
- Wanda Leong, D.D.S.Dentist1154481976
- Gordon Nagare, DDSGeneral Practice Dentistry1215043476
Verify Robert Mario Fernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 26756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert Mario Fernandez among 14,729 dentist records in California
Robert Mario Fernandez, DDS 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 not. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileNo · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 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).
69 dentist records list a practice address in San Mateo
They are 69 of the 3,909 NPPES records with a practice address in San Mateo, and 14,729 dentist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,729 in California → Every provider in San Mateo → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Vincent Asai, DDSSan Mateo, CA 944011265502645
- Ricci Chan, D.M.DSan Mateo, CA 944011447267950
- Fred Diercks, DDSSan Mateo, CA 944011215943071
- Paul Diercks, DDSSan Mateo, CA 944011326055005
- Lynn Gitlin, DDSSan Mateo, CA 944011952460883
- Balfour Kay, DDSSan Mateo, CA 944011699851816
- Oanh Le, DDSSan Mateo, CA 944011437362399
- Wanda Leong, D.D.S.San Mateo, CA 944011154481976
Common questions
What is Robert Mario Fernandez, DDS's NPI number?
Robert Mario Fernandez, DDS's National Provider Identifier (NPI) is 1477763134, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Mario Fernandez, DDS located?
The NPPES record lists a practice address at 256 N San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 344-7121. Providers update this record themselves, so call before visiting.
How can I verify Robert Mario Fernandez, DDS's license?
NPPES lists California license number 26756, 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. 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.