NPPES file of Aug 9, 2026

Robert A. Chong, D.D.S.

General Practice Dentistry · San Francisco, CA

Robert A. Chong, D.D.S. is a general practice dentistry with a practice address in San Francisco, California, and NPI 1548384464, issued on Mar 17, 2007. Check the license (California 20161, 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
1548384464
Name
Robert A. Chong
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
20161 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Parnassus Ave Ste 403, San Francisco, CA 94117
Phone
(415) 681-0668
Enumerated
Mar 17, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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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Verify Robert A. Chong 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 20161
    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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Industry payments in 2024: $150.00

1 payment: education; the largest payer was Straumann USA LLC. 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.

  1. Robert Chong$150.00
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Robert A. Chong among 17,852 general practice dentistry records in California

Robert A. Chong, 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).

667 general practice dentistry records list a practice address in San Francisco

They are 667 of the 38,143 NPPES records with a practice address in San Francisco, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Ana Casal, DDSSan Francisco, CA 941171588943302
  2. Soo Yeon Cho, DDSSan Francisco, CA 941171407569080
  3. Gregory Chong, D.D.S.San Francisco, CA 941171023130747
  4. Alan Chong, D.D.SSan Francisco, CA 941171013265701
  5. Woo Young Lee, DDSSan Francisco, CA 941171902092943
  6. Michelle Sabin, DDSSan Francisco, CA 941171922720192
  7. Leonardo Arellano, D.D.S.San Francisco, CA 941181336169069
  8. Christina Chang, D.D.S.San Francisco, CA 941181669523775

Common questions

What is Robert A. Chong, D.D.S.'s NPI number?

Robert A. Chong, D.D.S.'s National Provider Identifier (NPI) is 1548384464, issued on Mar 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Chong, D.D.S. located?

The NPPES record lists a practice address at 350 Parnassus Ave Ste 403, San Francisco, CA, 94117. Phone: (415) 681-0668. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Chong, D.D.S.'s license?

NPPES lists California license number 20161, 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.