William Hwang, DDS
Dentist · Santa Ana, CA
William Hwang, DDS is a dentist with a practice address in Santa Ana, California, and NPI 1518572247, issued on Sep 10, 2020. Check the license (California 105464, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Hwang
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 105464 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2800 W Warner Ave Ste G, Santa Ana, CA 92704
- Phone
- (714) 549-2135
- Enumerated
- Sep 10, 2020
- Record last updated
- May 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20251209003457); may accept Medicare assignment
- Medical or professional school
- Herman Ostrow School Of Dentistry Of Usc, 2020
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify William Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 105464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average dentist in 2024
39 Medicare Part D claims for 20 beneficiaries, 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.
Most prescribed
- Amoxicillin19 claims
- Ibuprofen16 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 Hwang among 14,729 dentist records in California
William Hwang, DDS 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 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated2020 · median 2015 among the 113 with a school on file
- Record last updated2024 · 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).
125 dentist records list a practice address in Santa Ana
They are 125 of the 8,904 NPPES records with a practice address in Santa Ana, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Santa Ana → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Inna Bosh, D.D.SSanta Ana, CA 927041417179961
- Michelle Bui, DDSSanta Ana, CA 927041689890915
- Chul Byun, DDSSanta Ana, CA 927041346319803
- Elisa Campbell, DDSSanta Ana, CA 927041487774584
- Raymond ChingSanta Ana, CA 927041679607279
- Nancy Dinh, DDSSanta Ana, CA 927041285621508
- Leyla Fazeli, DMDSanta Ana, CA 927041295957496
- Sergio Ferreira, DDSSanta Ana, CA 927041407942659
Common questions
What is William Hwang, DDS's NPI number?
William Hwang, DDS's National Provider Identifier (NPI) is 1518572247, issued on Sep 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Hwang, DDS located?
The NPPES record lists a practice address at 2800 W Warner Ave Ste G, Santa Ana, CA, 92704. Phone: (714) 549-2135. Providers update this record themselves, so call before visiting.
How can I verify William Hwang, DDS's license?
NPPES lists California license number 105464, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William Hwang, DDS prescribe under Medicare Part D?
In 2024, William Hwang, DDS had 39 Medicare Part D claims for 20 beneficiaries; 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.