William Yuen-Siang Hung, D.D.S
Prosthodontics · Upland, CA
William Yuen-Siang Hung, D.D.S is a prosthodontics with a practice address in Upland, California, and NPI 1578687083, issued on Mar 19, 2007. Check the license (California 34855, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Yuen-Siang Hung
- Credential
- D.D.S
- Primary taxonomy
- Prosthodontics 1223P0700X
- License number
- 34855 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1268 W Foothill Blvd, Upland, CA 91786
- Phone
- (909) 981-4111
- Enumerated
- Mar 19, 2007
- Record last updated
- Dec 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (909) 981-3461
- Entity
- Type 1 · individual
8 nearest prosthodontics records → All 474 in California → Look up another NPI →
Verify William Yuen-Siang Hung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average prosthodontics in 2024
249 Medicare Part D claims for 65 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate127 claims
- Amoxicillin92 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.
William Yuen-Siang Hung among 474 prosthodontics records in California
William Yuen-Siang Hung, D.D.S 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 updated2019 · 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 Upland → Prosthodontics nationwide →
The 8 prosthodontics records with the nearest ZIP codes
- Eddie Sheh, D.D.S.Upland, CA 917861265621080
- Jin Young Kim, D.D.S.Diamond Bar, CA 917891922296623
- George Wu, DDSWest Covina, CA 917901235383183
- Young Cha, D.M.D.West Covina, CA 917911144322447
- Jung Feng Pan, D.D.STemple City, CA 917801902954084
- Feng-Chia Li, DDSAlhambra, CA 918031578629614
- Yuhsin LiaoAlhambra, CA 918031649311317
- Walter Dimalanta, D.D.SPomona, CA 917661417933896
Common questions
What is William Yuen-Siang Hung, D.D.S's NPI number?
William Yuen-Siang Hung, D.D.S's National Provider Identifier (NPI) is 1578687083, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Yuen-Siang Hung, D.D.S located?
The NPPES record lists a practice address at 1268 W Foothill Blvd, Upland, CA, 91786. Phone: (909) 981-4111. Providers update this record themselves, so call before visiting.
How can I verify William Yuen-Siang Hung, D.D.S's license?
NPPES lists California license number 34855, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Yuen-Siang Hung, D.D.S prescribe under Medicare Part D?
In 2024, William Yuen-Siang Hung, D.D.S had 249 Medicare Part D claims for 65 beneficiaries; the average among prosthodontics prescribers was 90. 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.