Quick answers
- Where does John J. Hong see patients?
- Medicare's clinician data lists 2 practice locations, including Temecula, CA and Fallbrook, CA. Call before your visit to confirm the address.
- What is John J. Hong's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does John J. Hong accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Hong accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John J. Hong offer telehealth?
- Medicare's clinician data says John J. Hong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John J. Hong?
- (951) 303-3718, as listed in official Medicare / NPI Registry data.
- What is John J. Hong's NPI number?
- 1023088630. 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 John J. Hong is enrolled with Medicare (CMS data updated 2026-10-02).
- 31469 Rancho Pueblo Rd, Suite 101Temecula, CA 92592 (951) 303‑3718
- 521 E Elder St, Suite 104Fallbrook, CA 92028 (760) 728‑9560
Group practices
Medicare enrollment lists John J. Hong as a member of this group (CMS data updated 2026-10-02).
- United Medical Doctors173 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023088630 |
| 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