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Cardiovascular Disease (Cardiology)

Inyong Hwang, MD

Sees patients in Fullerton, CA · Los Angeles, CA · Buena Park, CA · California

Summary

Inyong Hwang, MD (Cardiovascular Disease (Cardiology)) is enrolled with Medicare at 3 practice locations in Fullerton, CA, Los Angeles, CA and Buena Park, CA. NPI 1528346111. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Inyong Hwang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Cardiovascular Disease (Cardiology)Primary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
MaleGender (as listed)

Quick answers

Where does Inyong Hwang see patients?
Medicare's clinician data lists 3 practice locations, including Fullerton, CA, Los Angeles, CA and Buena Park, CA. Call before your visit to confirm the address.
What is Inyong Hwang's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Inyong Hwang accept Medicare assignment?
Medicare's clinician data says Inyong Hwang may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Inyong Hwang offer telehealth?
Medicare's clinician data says Inyong Hwang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Inyong Hwang?
(714) 760-9988, as listed in official Medicare / NPI Registry data.
What is Inyong Hwang's NPI number?
1528346111. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Inyong Hwang is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Fullerton

Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.

All cardiologists in Fullerton →

Clinician information

CredentialMD
Graduation year2008
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1528346111
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians