Kathleen C. Hwang
Orthodontics and Dentofacial Orthopedics Dentistry · Arcadia, CA
Kathleen C. Hwang is an orthodontics and dentofacial orthopedics dentistry with a practice address in Arcadia, California, and NPI 1154501252, issued on Nov 7, 2007. Check the license (California 45576, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen C. Hwang
- Primary taxonomy
- Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
- License number
- 45576 CA
Self-reported in NPPES; status is on the state search - Practice location
- 638 W Duarte RD, Arcadia, CA 91007
- Phone
- (626) 445-1431
- Enumerated
- Nov 7, 2007
- Record last updated
- Nov 7, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest orthodontics and dentofacial orthopedics dentistry records → All 1,881 in California → Look up another NPI →
Also registered at 638 W Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Digiulio, D.D.S.,M.S.Orthodontics and Dentofacial Orthopedics Dentistry1053410548
- Michael Hoey, ODOptometrist1891788634
- Isaac Minehart, M.D.Pain Medicine (Anesthesiology) Physician1639167091
- Byron Sotomayor, MDDiagnostic Radiology Physician1497780456
- Angela Wang, M.D.Diagnostic Radiology Physician1881778074
- Jun Xu, M.D.Internal Medicine Physician1497010391
Verify Kathleen C. 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 45576Check 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: $136.17
4 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. The 7,622 providers of this specialty with any payment received $1,641.73 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.
Kathleen C. Hwang among 1,881 orthodontics and dentofacial orthopedics dentistry records in California
Kathleen C. Hwang 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. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 49% newer
- In a Medicare fileYes · 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.
All 1,881 in California → Every provider in Arcadia → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →
The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes
- Craig Cheung, DDSArcadia, CA 910071780819433
- John Digiulio, D.D.S.,M.S.Arcadia, CA 910071053410548
- Douglas Hom, D.D.S.Arcadia, CA 910071760565501
- Lesley Jeong, DDS, MSArcadia, CA 910071578797197
- Vanessa Ku, DDSArcadia, CA 910071679866628
- Alice Shen, D.D.S.Arcadia, CA 910071619287745
- Phipip Chiang, DDSArcadia, CA 910061629088091
- Julie Whang, DDS, MSArcadia, CA 910061851604433
Common questions
What is Kathleen C. Hwang's NPI number?
Kathleen C. Hwang's National Provider Identifier (NPI) is 1154501252, issued on Nov 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen C. Hwang located?
The NPPES record lists a practice address at 638 W Duarte RD, Arcadia, CA, 91007. Phone: (626) 445-1431. Providers update this record themselves, so call before visiting.
How can I verify Kathleen C. Hwang's license?
NPPES lists California license number 45576, 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.