William K. Kwong, DDS
Prosthodontics · San Francisco, CA
William K. Kwong, DDS is a prosthodontics with a practice address in San Francisco, California, and NPI 1780886325, issued on Jun 5, 2007. Check the license (California 31820, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William K. Kwong
- Credential
- DDS
- Primary taxonomy
- Prosthodontics 1223P0700X
- License number
- 31820 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1901 Van Ness Ave, San Francisco, CA 94109
- Phone
- (415) 775-2917
- Enumerated
- Jun 5, 2007
- 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 prosthodontics records → All 474 in California → Look up another NPI →
Also registered at 1901 Van Ness Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ivy Kwong, DPTPhysical Therapist1063509040
Verify William K. Kwong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 31820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $257.32
1 payment: education; the largest payer was Dentsply LLC. The 1,408 providers of this specialty with any payment received $3,465.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William K. Kwong among 474 prosthodontics records in California
William K. Kwong, DDS is one of 474 prosthodontics records with a practice address in California. 61% 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 25% of them.
- NPI issued2007 · 25% of these records are older, 45% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2007 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Prosthodontics providers in California
There are 474 prosthodontics records in California.
All 474 in California → Every provider in San Francisco → Prosthodontics nationwide →
The 8 prosthodontics records with the nearest ZIP codes
- Michael Lee, D.M.D.San Francisco, CA 941091669851556
- Edmond Bedrossian, DDS, MSDSan Francisco, CA 941081912483389
- Rebecca Castaneda, DDSSan Francisco, CA 941081215134028
- Jenny ChenSan Francisco, CA 941081710918263
- Belinda Head, DDS, MSSan Francisco, CA 941081710180948
- Lauren Hebel, DMDSan Francisco, CA 941081891963351
- Theodore Jacobson, DDSSan Francisco, CA 941081194745844
- Tom Jow, DDSSan Francisco, CA 941081801809017
Common questions
What is William K. Kwong, DDS's NPI number?
William K. Kwong, DDS's National Provider Identifier (NPI) is 1780886325, issued on Jun 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William K. Kwong, DDS located?
The NPPES record lists a practice address at 1901 Van Ness Ave, San Francisco, CA, 94109. Phone: (415) 775-2917. Providers update this record themselves, so call before visiting.
How can I verify William K. Kwong, DDS's license?
NPPES lists California license number 31820, 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.