Physician Profile
Phuong T. Nguyen, M.D.
Unclaimed ProfileAt a glance
- 1 Hoag Dr Bl41-107, Newport Beach, CA 92663
About Dr. Nguyen
Based in Newport Beach, CA, Phuong T. Nguyen, M.D. is listed in the NPI registry under gastroenterology. Phuong graduated from University of California, Geffen School of Medicine in 1990. According to Medicare claims data, Phuong cared for 346 Medicare patients across 354 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and study of esophageal sensation by balloon distension. NPI 1801838750 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
- (949) 764-5760
- Email not available
Practice Locations
1 HOAG DR BL41-107
Newport Beach, CA 92663
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
354 services · 346 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
66 | As often as other peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
37 | More often than most peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
31 | More often than most peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
28 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
27 | More often than most peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
17 | As often as other peers in Gastroenterology |
| Repair of muscle at esophagus and stomach using a flexible endoscope | Procedure | 43210 |
13 | Too few peers to compare |
| Ultrasound exam of lower large bowel using a flexible endoscope | Procedure | 45341 |
11 | Too few peers to compare |
| Study of esophageal sensation by balloon distension | Treatment | 91040 |
34 | More often than most peers in Gastroenterology |
| Monitoring and recording of esophageal function through a capsule attached to the esophagus wall | Treatment | 91035 |
33 | 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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 30 related providers in 4 groups
Other gastroenterologists in Newport Beach 7
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at University of California, Geffen 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 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Phuong T. Nguyen?
Phuong T. Nguyen is a gastroenterologist in Newport Beach, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Phuong T. Nguyen's address?
Phuong T. Nguyen is listed at 1 Hoag Dr Bl41-107, Newport Beach, CA 92663. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Phuong T. Nguyen?
The number on file is (949) 764-5760. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Phuong T. Nguyen's NPI number?
Phuong T. Nguyen's National Provider Identifier is 1801838750. 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 Phuong T. Nguyen train?
Phuong T. Nguyen attended University of California, Geffen School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Phuong T. Nguyen been practicing?
Phuong T. Nguyen has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Phuong T. Nguyen perform?
According to Medicare billing data, Phuong T. Nguyen performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope; provides treatments such as study of esophageal sensation by balloon distension and monitoring and recording of esophageal function through a capsule attached to the esophagus wall, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Phuong T. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Phuong T. Nguyen. If this is you, claiming it is free.
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