Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Catherine Insun Hwang

Individual provider Nurse Practitioner · NPI 1063062982

Catherine Insun Hwang is a Nurse Practitioner in Los Angeles, California. Qualified in 2019, 7 years ago. Practices with The Regents of the University of California, a 38-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2019
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Practice location Address checks out

757 Westwood Plz Ste 8638
Los Angeles, CA 90095-4608
Phone: (310) 267-7834
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 21 Lincoln Ct, Buena Park, CA 90620-4608 — (949) 294-9145

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95012505 (CA)

Record details

NPI number1063062982
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 12, 2019
Last updated in NPPESMarch 14, 2022
Certification dateMarch 14, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice The Regents Of The University Of California — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $148 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at The Regents of the University of California

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 38 clinicians in the practice; 12 are shown here.

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