Oliver Chu, DMD
Dentist · Walnut, CA
Oliver Chu, DMD is a dentist with a practice address in Walnut, California, and NPI 1962736975, issued on Sep 23, 2009. Check the license (California 57622, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oliver Chu
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 57622 CA
Self-reported in NPPES; status is on the state search - Practice location
- 219 Spyglass LN, Walnut, CA 91789
- Phone
- (909) 979-4662
- Enumerated
- Sep 23, 2009
- Record last updated
- Sep 23, 2009 (not updated in 17 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 Oliver Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims for 14 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate12 claims
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.
Oliver Chu among 14,729 dentist records in California
Oliver Chu, DMD 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 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 49% 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 updated2009 · 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).
15 dentist records list a practice address in Walnut
They are 15 of the 317 NPPES records with a practice address in Walnut, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Walnut → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Arshjot AhujaWalnut, CA 917891104088178
- Christopher Auyong, D.D.S.Walnut, CA 917891720488083
- Thomas Bae, D.D.S.Walnut, CA 917891467646547
- Kai Chang, D.D.S.Walnut, CA 917891427400688
- Laurentino De Guia, DMDWalnut, CA 917891952759888
- Emad Fahmy, DDSWalnut, CA 917891790926608
- Michael HannaWalnut, CA 917891649714247
- Joseph Lee, DDSDiamond Bar, CA 917891497033294
Common questions
What is Oliver Chu, DMD's NPI number?
Oliver Chu, DMD's National Provider Identifier (NPI) is 1962736975, issued on Sep 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Oliver Chu, DMD located?
The NPPES record lists a practice address at 219 Spyglass LN, Walnut, CA, 91789. Phone: (909) 979-4662. Providers update this record themselves, so call before visiting.
How can I verify Oliver Chu, DMD's license?
NPPES lists California license number 57622, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oliver Chu, DMD prescribe under Medicare Part D?
In 2024, Oliver Chu, DMD had 24 Medicare Part D claims for 14 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.