NPPES file of Aug 9, 2026

Robert Michael Chung, D.D.S

Dentist · Covina, CA

Robert Michael Chung, D.D.S is a dentist with a practice address in Covina, California, and NPI 1821547498, issued on Sep 23, 2016. Check the license (California 100901, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821547498
Name
Robert Michael Chung
Credential
D.D.S
Primary taxonomy
Dentist 122300000X
License number
100901 CA
Self-reported in NPPES; status is on the state search
Practice location
172 W College St, Covina, CA 91723
Phone
(626) 974-0905
Enumerated
Sep 23, 2016
Record last updated
Mar 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 172 W College St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wing Chung, DDSGeneral Practice Dentistry1699856930

Verify Robert Michael Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 100901
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average dentist in 2024

17 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Robert Chung17
  2. Specialty average86

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.

Robert Michael Chung among 14,729 dentist records in California

Robert Michael Chung, D.D.S 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 2016, is newer than 70% of them.

  • NPI issued2016 · 70% of these records are older, 27% 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 updated2021 · 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).

23 dentist records list a practice address in Covina

They are 23 of the 3,736 NPPES records with a practice address in Covina, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Edna Cuevas, DDSCovina, CA 917231083780613
  2. Stirling Kurumada, DDSCovina, CA 917231891805156
  3. Karina Palillo, DMDCovina, CA 917231821600925
  4. Sara Riazi, D.D.S.Covina, CA 917231295151272
  5. Arminda Robles, D.D.S.Covina, CA 917231194902767
  6. Stuart Rubin, DMDCovina, CA 917231235576000
  7. Sylvia Salem, DDSCovina, CA 917231942579313
  8. Sooyeol Sohn, D.D.S.Covina, CA 917231114476975

Common questions

What is Robert Michael Chung, D.D.S's NPI number?

Robert Michael Chung, D.D.S's National Provider Identifier (NPI) is 1821547498, issued on Sep 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Robert Michael Chung, D.D.S located?

The NPPES record lists a practice address at 172 W College St, Covina, CA, 91723. Phone: (626) 974-0905. Providers update this record themselves, so call before visiting.

How can I verify Robert Michael Chung, D.D.S's license?

NPPES lists California license number 100901, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Michael Chung, D.D.S prescribe under Medicare Part D?

In 2024, Robert Michael Chung, D.D.S had 17 Medicare Part D claims; 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.