NPPES file of Aug 9, 2026

Helen Hwang, D.D.S.

Orthodontics and Dentofacial Orthopedics Dentistry · San Mateo, CA

Helen Hwang, D.D.S. is an orthodontics and dentofacial orthopedics dentistry with a practice address in San Mateo, California, and NPI 1003996802, issued on Oct 16, 2006. Check the license (California 49337, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003996802
Name
Helen Hwang
Credential
D.D.S.
Primary taxonomy
Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
License number
49337 CA
Self-reported in NPPES; status is on the state search
Practice location
325 26TH Ave, San Mateo, CA 94403
Phone
(650) 358-9385
Enumerated
Oct 16, 2006
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 Helen Hwang 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 49337
    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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Helen Hwang among 1,881 orthodontics and dentofacial orthopedics dentistry records in California

Helen Hwang, D.D.S. is one of 1,881 orthodontics and dentofacial orthopedics dentistry 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 not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileNo · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthodontics and Dentofacial Orthopedics Dentistry providers in California

There are 1,881 orthodontics and dentofacial orthopedics dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes

  1. Krista Hirasuna, DDS, MSSan Mateo, CA 944031578809844
  2. Peter Lam, DDS MSSan Mateo, CA 944031083752596
  3. Albert Landucci, D.D.S.San Mateo, CA 944031699979955
  4. Sharon Su, DMD, MSDSan Mateo, CA 944021679443071
  5. Alexa Alborzi, DDS, MDS, INC.San Mateo, CA 944011063593390
  6. J Chen, DDS,, MS,, PHD.San Mateo, CA 944011073885505
  7. Thomas Ellerhorst, D.D.S., M.S.D.San Mateo, CA 944011659575751
  8. Maybelle Gomez, DDS, MSDSan Mateo, CA 944011144592940

Common questions

What is Helen Hwang, D.D.S.'s NPI number?

Helen Hwang, D.D.S.'s National Provider Identifier (NPI) is 1003996802, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Helen Hwang, D.D.S. located?

The NPPES record lists a practice address at 325 26TH Ave, San Mateo, CA, 94403. Phone: (650) 358-9385. Providers update this record themselves, so call before visiting.

How can I verify Helen Hwang, D.D.S.'s license?

NPPES lists California license number 49337, 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. 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.