NPPES file of Aug 9, 2026

Catherine N. Hwang, DDS

Dentist · Torrance, CA

Catherine N. Hwang, DDS is a dentist with a practice address in Torrance, California, and NPI 1538782651, issued on May 22, 2020. Check the license (California DDS58120, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538782651
Name
Catherine N. Hwang
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
DDS58120 CA
Self-reported in NPPES; status is on the state search
Practice location
4305 Torrance Blvd Ste 201, Torrance, CA 90503
Phone
(310) 540-6248
Enumerated
May 22, 2020
Record last updated
May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(310) 540-6258
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 Catherine N. 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 DDS58120
    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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Industry payments in 2024: $425.00

7 payments; by number, the most common kind was education; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Hwang$425.00
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

127 dentist records list a practice address in Torrance

They are 127 of the 8,901 NPPES records with a practice address in Torrance, and 14,729 dentist records in California.

Other dentist records in California

  1. Chantelle AabediLos Angeles, CA1740895150
  2. Sohrab Aalam, DMDIrvine, CA1497431100
  3. Rick Aaronian, DDSFresno, CA1245452184
  4. Michael Aaronson, DDSSan Rafael, CA1992029722
  5. Autumn Abadesco, DDSLa Puente, CA1952857237
  6. Behzad Abadi, DMDDowney, CA1588879100
  7. Esfandiar Abadi, DDSSacramento, CA1992926448
  8. Bahareh AbadianSan Jose, CA1689169005
  9. Reza Abaei Tafreshi, DDSIrvine, CA1134656804
  10. Michael AbaianSherman Oaks, CA1023263167

Common questions

What is Catherine N. Hwang, DDS's NPI number?

Catherine N. Hwang, DDS's National Provider Identifier (NPI) is 1538782651, issued on May 22, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Catherine N. Hwang, DDS located?

The NPPES record lists a practice address at 4305 Torrance Blvd Ste 201, Torrance, CA, 90503. Phone: (310) 540-6248. Providers update this record themselves, so call before visiting.

How can I verify Catherine N. Hwang, DDS's license?

NPPES lists California license number DDS58120, 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.