Are you David M. Truong, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 10900 Warner Ave, Ste 201, Fountain Valley, CA 92708
About Dr. Truong
Based in Fountain Valley, CA, David M. Truong, M.D. is listed in the NPI registry under gastroenterology. David graduated from University of California, Davis School of Medicine in 1990. According to Medicare claims data, David cared for 282 Medicare patients across 421 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. NPI 1528090818 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 274-9969
- Email not available
Practice Locations
10900 WARNER AVE STE 201
Fountain Valley, CA 92708
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
421 services · 282 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
32 | Less often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
11 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
267 | More than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
87 | More often than most peers in Gastroenterology |
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.
Related specialists at this location 1
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.
Other gastroenterologists in Fountain Valley 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy 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 is David M. Truong's specialty?
David M. Truong is a gastroenterologist in Fountain Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find David M. Truong?
David M. Truong is listed at 10900 Warner Ave Ste 201, Fountain Valley, CA 92708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David M. Truong?
The number on file is (714) 274-9969. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David M. Truong's NPI number?
David M. Truong's National Provider Identifier is 1528090818. 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
What is David M. Truong's education?
David M. Truong attended University of California, Davis School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has David M. Truong been practicing?
David M. Truong has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is David M. Truong known for?
According to Medicare billing data, David M. Truong performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large 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 David M. Truong confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David M. Truong. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.