Stephen Wayne Nelson, DDS
Dentist · San Mateo, CA
Stephen Wayne Nelson, DDS is a dentist with a practice address in San Mateo, California, and NPI 1871501718, issued on Aug 4, 2006. Check the license (California 31344, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Wayne Nelson
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 31344 CA
Self-reported in NPPES; status is on the state search - Practice location
- 235 N San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 348-7464
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (650) 348-8531
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 235 N San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Wayne Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 31344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average dentist in 2024
17 Medicare Part D claims for 13 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Stephen Wayne Nelson among 14,729 dentist records in California
Stephen Wayne Nelson, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% 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 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.
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 Stephen Wayne Nelson, DDS's NPI number?
Stephen Wayne Nelson, DDS's National Provider Identifier (NPI) is 1871501718, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Wayne Nelson, DDS located?
The NPPES record lists a practice address at 235 N San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 348-7464. Providers update this record themselves, so call before visiting.
How can I verify Stephen Wayne Nelson, DDS's license?
NPPES lists California license number 31344, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Wayne Nelson, DDS prescribe under Medicare Part D?
In 2024, Stephen Wayne Nelson, DDS had 17 Medicare Part D claims for 13 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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.