NPPES file of Aug 9, 2026

Tsung W. Chen, DDS

General Practice Dentistry · San Leandro, CA

Tsung W. Chen, DDS is a general practice dentistry with a practice address in San Leandro, California, and NPI 1588902365, issued on Jan 29, 2013. Check the license (California 51911, 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
1588902365
Name
Tsung W. Chen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
51911 CA
Self-reported in NPPES; status is on the state search
Practice location
680 Bancroft Ave, San Leandro, CA 94577
Phone
(510) 569-0218
Enumerated
Jan 29, 2013
Record last updated
Nov 24, 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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8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 680 Bancroft Ave

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

  1. Hsiu-Chaai Chang, DDSGeneral Practice Dentistry1982791315
  2. Jacquelyn Chau, DDSGeneral Practice Dentistry1447149331
  3. James Choi, DDSGeneral Practice Dentistry1083387385
  4. John Diponziano, DDSDentist1770569600
  5. Sui Yan Angel Leung, DDSGeneral Practice Dentistry1598388498
  6. Audrey MinDentist1043970957

Verify Tsung W. Chen 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 51911    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

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Industry payments in 2024: $14.48

1 payment: food and beverage; the largest payer was Envista Holdings Corporation. 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. Tsung Chen$14.48
  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.

Tsung W. Chen among 17,852 general practice dentistry records in California

Tsung W. Chen, 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. Its NPI, issued in 2013, is newer than 75% of them.

  • NPI issued2013 · 75% of these records are older, 24% 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 updated2021 · 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).

75 general practice dentistry records list a practice address in San Leandro

They are 75 of the 4,976 NPPES records with a practice address in San Leandro, and 17,852 general practice dentistry records in California.

All 17,852 in California → Every provider in San Leandro → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Judith Angeles, DMDSan Leandro, CA 945771659386092
  2. Hsiu-Chaai Chang, DDSSan Leandro, CA 945771982791315
  3. Karyn Chun, DDSSan Leandro, CA 945771518963826
  4. Vera Fritsch, D.M.D.San Leandro, CA 945771427156546
  5. Eleanor Haley, DDSSan Leandro, CA 945771922108448
  6. Scott Hoang, D.D.S.San Leandro, CA 945771821170374
  7. James Khoe, D.D.S.San Leandro, CA 945771235239815
  8. Gregory Kong, D.D.S.San Leandro, CA 945771629169123

Common questions

What is Tsung W. Chen, DDS's NPI number?

Tsung W. Chen, DDS's National Provider Identifier (NPI) is 1588902365, issued on Jan 29, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tsung W. Chen, DDS located?

The NPPES record lists a practice address at 680 Bancroft Ave, San Leandro, CA, 94577. Phone: (510) 569-0218. Providers update this record themselves, so call before visiting.

How can I verify Tsung W. Chen, DDS's license?

NPPES lists California license number 51911, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.