Quick answers
- Which hospitals does David Choi work at?
- Medicare's official clinician data lists David Choi at 1 hospital: Hoag Memorial Hospital Presbyterian. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Choi see patients?
- Medicare's clinician data lists 2 practice locations, including Irvine, CA and Tustin, CA. Call before your visit to confirm the address.
- What is David Choi's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does David Choi accept Medicare assignment?
- Yes. Medicare's clinician data says David Choi 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.
- What is the phone number for David Choi?
- (949) 612-9090, as listed in official Medicare / NPI Registry data.
- What is David Choi's NPI number?
- 1922490044. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Choi works
Medicare's Facility Affiliation Data lists David Choi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
Practice locations
Addresses where David Choi is enrolled with Medicare (CMS data updated 2026-10-02).
- 113 Waterworks Way, Suite 155Irvine, CA 92618 (949) 612‑9090
- 15000 Kensington Park Dr, Suite 390Tustin, CA 92782 (949) 612‑9090
Group practices
Medicare enrollment lists David Choi as a member of this group (CMS data updated 2026-10-02).
- Digestive Disease Consultants of Orange County Inc14 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922490044 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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