Eng Tiong Oei, DDS
General Practice Dentistry · San Ramon, CA
Eng Tiong Oei, DDS is a general practice dentistry with a practice address in San Ramon, California, and NPI 1699840090, issued on Nov 21, 2006. Check the license (California 38893, 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
- Eng Tiong Oei
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 38893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9260 Alcosta Blvd, San Ramon, CA 94583
- Phone
- (925) 833-7780
- Enumerated
- Nov 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 9260 Alcosta Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alicia Marpo, MSPSY, LMFTMarriage & Family Therapist1093235210
Verify Eng Tiong Oei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 38893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Eng Tiong Oei among 17,852 general practice dentistry records in California
Eng Tiong Oei, DDS 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 not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileNo · 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).
56 general practice dentistry records list a practice address in San Ramon
They are 56 of the 2,281 NPPES records with a practice address in San Ramon, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,852 in California → Every provider in San Ramon → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Sudha Chinta, D.D.S.San Ramon, CA 945831356412647
- Preeti Chitgopekar, D.D.SSan Ramon, CA 945831609891423
- Steven Czekala, DDSSan Ramon, CA 945831689679276
- Victoria Dillingham, DRSan Ramon, CA 945831033295209
- Kevin Draper, DDSSan Ramon, CA 945831235157801
- Garrett Draper, D.D.S.San Ramon, CA 945831528086105
- John Gee, DDSSan Ramon, CA 945831336139559
- Richard Kuehn, DDSSan Ramon, CA 945831851347926
Common questions
What is Eng Tiong Oei, DDS's NPI number?
Eng Tiong Oei, DDS's National Provider Identifier (NPI) is 1699840090, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eng Tiong Oei, DDS located?
The NPPES record lists a practice address at 9260 Alcosta Blvd, San Ramon, CA, 94583. Phone: (925) 833-7780. Providers update this record themselves, so call before visiting.
How can I verify Eng Tiong Oei, DDS's license?
NPPES lists California license number 38893, 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.