Quick answers
- Where does Gregory K. Hong see patients?
- Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
- What is Gregory K. Hong's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Gregory K. Hong accept Medicare assignment?
- Medicare's clinician data says Gregory K. Hong may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Gregory K. Hong offer telehealth?
- Medicare's clinician data says Gregory K. Hong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory K. Hong?
- (213) 381-0700, as listed in official Medicare / NPI Registry data.
- What is Gregory K. Hong's NPI number?
- 1578668703. 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 Gregory K. Hong is enrolled with Medicare (CMS data updated 2026-10-02).
- 520 S Virgil Ave, Suite 501Los Angeles, CA 90020 (213) 381‑0700
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578668703 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians