Physician Profile
Unclaimed ProfileAbout CHOI
Based in Irvine, CA, David Choi, D.O. is listed in the NPI registry under gastroenterology. David graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2015. David is also listed as specializing in student in an organized health care education program. According to Medicare claims data, David cared for 1,267 Medicare patients across 1,447 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 612-9090
- Email not available
Practice Locations
113 WATERWORKS WAY STE 155
Irvine, CA 92618
Procedures Most Often Billed to Medicare
1,447 services · 1,267 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
121 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
73 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
41 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
33 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
31 |
| Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43255 |
29 |
| Control of bleeding of upper large bowel using a flexible endoscope | Procedure | 45382 |
15 |
| Insertion of tube or tube in esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43241 |
14 |
| Removal of foreign bodies of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43247 |
11 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
538 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other gastroenterology specialists in Irvine 7
Same specialty, same city.
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Choi?
Dr. Choi is a gastroenterology in Irvine, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Choi's address?
Dr. Choi is listed at 113 WATERWORKS WAY STE 155, Irvine, CA 92618. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Choi?
The number on file is (949) 612-9090. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Choi's NPI number?
Dr. Choi's National Provider Identifier is 1922490044. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Choi train?
Dr. Choi attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Choi been practicing?
Dr. Choi has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Choi perform?
According to Medicare billing data, Dr. Choi performs procedures including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Choi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Choi. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.