Glenn S. Belen, D.D.S
General Practice Dentistry · San Mateo, CA
Glenn S. Belen, D.D.S is a general practice dentistry with a practice address in San Mateo, California, and NPI 1376684548, issued on Feb 9, 2007. Check the license (California 30769, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Glenn S. Belen
- Credential
- D.D.S
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 30769 CA
Self-reported in NPPES; status is on the state search - Practice location
- 135 N San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 344-7500
- Enumerated
- Feb 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 344-9019
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 135 N San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Taw, DMDDentist1376195917
Verify Glenn S. Belen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 30769Check 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: $40.89
2 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Glenn S. Belen among 17,852 general practice dentistry records in California
Glenn S. Belen, D.D.S is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 general practice dentistry records list a practice address in San Mateo
They are 94 of the 3,909 NPPES records with a practice address in San Mateo, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Mateo → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mark Abramson, D D SSan Mateo, CA 944011457371197
- Sean Bardsley, D.D.S.San Mateo, CA 944011164529012
- Richard Gregory, DDSSan Mateo, CA 944011356382626
- Hubert Lee, DDSSan Mateo, CA 944011508836677
- Allen Lee, D.M.D.San Mateo, CA 944011760585038
- Anna Liviz, D.D.S.San Mateo, CA 944011144247107
- Tatyana Manyak, DDSSan Mateo, CA 944011477572501
- Gordon Nagare, DDSSan Mateo, CA 944011215043476
Common questions
What is Glenn S. Belen, D.D.S's NPI number?
Glenn S. Belen, D.D.S's National Provider Identifier (NPI) is 1376684548, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Glenn S. Belen, D.D.S located?
The NPPES record lists a practice address at 135 N San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 344-7500. Providers update this record themselves, so call before visiting.
How can I verify Glenn S. Belen, D.D.S's license?
NPPES lists California license number 30769, 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.