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Dr. Phuong Nguyen, MD

Dr. Phuong Nguyen, MD

San Clemente, CA

29 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nguyen, Gastroenterologist in San Clemente, CA?

    Dr. Phuong Nguyen, MD is a Gastroenterologist, who primarily practices in San Clemente, CA with 2 additional practice locations. She has been practicing for over 29 years and is board certified. Dr. Nguyen graduated from University of California and completed her residency at Univ Ca Irvine Med Ctr, Gastroenterology; Graduate Hosp (Tenet Hlth Sx), Internal Medicine. Dr. Nguyen is fluent in English, Spanish, and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office at (949) 764-5760.

    Where did Dr. Nguyen go to medical school and complete their residency?

    • Residency: Univ Ca Irvine Med Ctr, Gastroenterology; Graduate Hosp (Tenet Hlth Sx), Internal Medicine

    • Medical School: University of Ca, Los Angeles, Ucla Sch of Med, Los Angeles Ca | University of California

    Is Dr. Nguyen board certified as a Gastroenterologist?

    Yes, Dr. Phuong Nguyen, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Nguyen speak?

    Dr. Nguyen and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    • Vietnamese

    What conditions does Dr. Nguyen treat?

    As a Gastroenterologist, Dr. Nguyen diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Nguyen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Acid Reflux
    • GERD with Esophagitis
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Eosinophilic Esophagitis
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion
    • Reflux Esophagitis
    • Acid Reflux Esophagus Inflammation
    • Heartburn with Esophagus Damage

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis
    • K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding

    Also known as:

    • Pancreatic Cyst
    • Other Specific Pancreatic Disease
    • Pancreatic Disease
    • Cyst on Pancreas
    • Pancreatic Pseudocyst
    • Fluid Sac on Pancreas
    • Miscellaneous Pancreas Disorders
    • Named Pancreatic Conditions
    • Other Defined Pancreas Problems

    ICD-10 Codes:

    • K862: Cyst of pancreas
    • K8689: Other specified diseases of pancreas

    Also known as:

    • Stomach and Duodenum Disorder
    • Stomach Disorder
    • Gastric Conditions
    • Duodenal Conditions
    • Digestive System Disorders

    ICD-10 Codes:

    • K3189: Other diseases of stomach and duodenum

    Also known as:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    Also known as:

    • Benign Tumor in the Digestive System
    • Non-cancerous growth
    • Non-malignant tumor
    • Benign mass
    • Non-spreading tumor

    ICD-10 Codes:

    • D1399: Benign neoplasm of ill-defined sites within the digestive system

    What procedures does Dr. Nguyen perform?

    As a Gastroenterologist, Dr. Nguyen performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Nguyen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • EGD with Endoscopic Ultrasound
    • Diagnostic Upper Endoscopy with Biopsy
    • Flexible Sigmoidoscopy with Endoscopic Ultrasound
    • Endoscopic GERD Surgery (Fundoplasty)
    • Esophagus Widening Procedure (Endoscopic)
    • Upper Endoscopy with Mucosal Resection
    • Colorectal Cancer Screening Tests
    • Upper GI Endoscopy with Ultrasound
    • EUS (Endoscopic Ultrasound)
    • Esophagus, Stomach, Duodenum Ultrasound
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Sigmoidoscopy with EUS
    • Lower Endoscopy with Ultrasound
    • Rectum and Lower Colon Exam with Ultrasound
    • EGD with Fundoplasty
    • Anti-Reflux Endoscopy
    • Esophagogastroduodenoscopy with Fundoplication
    • Transoral Fundoplasty
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • EGD with Mucosal Resection
    • Endoscopic Removal of Esophageal Lesion
    • Flexible Endoscopy with Tissue Removal

    CPT Codes:

    • 43237: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures
    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45341: Sigmoidoscopy, flexible; with endoscopic ultrasound examination
    • 43210: Esophagogastroduodenoscopy, flexible, transoral; with esophagogastric fundoplasty, partial or complete, includes duodenoscopy when performed
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 43254: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic mucosal resection

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Upper GI Endoscopy with Ultrasound Biopsy
    • Biopsy
    • Endoscopy
    • Ultrasound
    • EGD with EUS-FNA
    • Endoscopic Ultrasound Biopsy
    • Esophageal/Stomach Biopsy

    CPT Codes:

    • 43238: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s), (includes endoscopic ultrasound examination limited to the esophagus, stomach or duodenum, and adjacent structures)

    Also known as:

    • Upper Endoscopy with Ultrasound (EUS)
    • Upper Endoscopy with Tumor Ablation
    • EGD with endoscopic ultrasound
    • Esophageal ultrasound
    • Stomach ultrasound endoscopy
    • Duodenal ultrasound endoscopy
    • EGD with Ablation
    • Esophagus, Stomach, Duodenum Scope with Ablation
    • Flexible Endoscopy Lesion Treatment

    CPT Codes:

    • 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
    • 43270: Esophagogastroduodenoscopy, flexible, transoral; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre- and post-dilation and guide wire passage, when performed)

    Also known as:

    • Upper Endoscopy with Ultrasound and Biopsy
    • Biopsy
    • Endoscopy
    • Ultrasound
    • EGD with Endoscopic Ultrasound Biopsy
    • Transoral EUS-FNA
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)

    Also known as:

    • Laparoscopic Repair of Paraesophageal Hernia (No Mesh)
    • Laparoscopic Paraesophageal Hernia Repair with Mesh
    • Keyhole Paraesophageal Hernia Repair
    • Laparoscopic Hiatal Hernia Repair
    • Fundoplasty (Laparoscopic)
    • Hiatal Hernia Repair with Mesh
    • Paraesophageal Hernia Surgery
    • Laparoscopic Hernia Fix

    CPT Codes:

    • 43281: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; without implantation of mesh
    • 43282: Laparoscopy, surgical, repair of paraesophageal hernia, includes fundoplasty, when performed; with implantation of mesh

    Also known as:

    • Flexible Sigmoidoscopy with Ultrasound-Guided Biopsy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy with EUS Biopsy
    • Rectal Scope with Ultrasound Biopsy
    • Lower Endoscopy with Fine Needle Aspiration

    CPT Codes:

    • 45342: Sigmoidoscopy, flexible; with transendoscopic ultrasound guided intramural or transmural fine needle aspiration/biopsy(s)

    Also known as:

    • ERCP with Stent Placement
    • Endoscopic Retrograde Cholangiopancreatography with Stent
    • Bile Duct Stent Placement via ERCP
    • Pancreatic Duct Stent Placement via ERCP

    CPT Codes:

    • 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent

    Also known as:

    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Esophageal Balloon Distension Study
    • Esophageal distension test
    • Balloon provocation test
    • Esophageal pain study

    CPT Codes:

    • 91040: Esophageal balloon distension study, diagnostic, with provocation when performed

    Also known as:

    • Wireless Esophageal pH Test
    • Esophageal pH Test
    • Bravo pH Test
    • Esophageal Reflux Monitoring
    • Acid Reflux Test

    CPT Codes:

    • 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Does Dr. Nguyen accept my insurance?

    Dr. Nguyen accepts most major insurance plans. Important: Please call our office at (949) 764-5760 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nguyen accept in San Clemente, CA?

    Dr. Nguyen in San Clemente, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CalOptima

    • Centene

    • Crown Cork and Seal Company

    • HealthComp

    • Hoag Memorial Hospital Presbyterian

    • Medicare

    • Monarch HealthCare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nguyen's office located?

    Dr. Phuong Nguyen's Primary Practice

    1031 Avenida Pico Ste 204

    San Clemente, CA 92673

    (949) 764-5760

    Get Directions

    Dr. Phuong Nguyen's Practice 2

    1 Hoag Dr # 41107

    Newport Beach, CA 92663

    Get Directions

    Dr. Phuong Nguyen's Practice 3

    2151 N Harbor Blvd Ste 3100

    Fullerton, CA 92835

    (714) 446-5830

    Get Directions

    What is Dr. Nguyen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Nguyen's National Provider Identifier (NPI) number is 1801838750.

    What common questions do patients ask about Dr. Nguyen?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nguyen

    What is Dr. Phuong Nguyen's specialty?

    Dr. Nguyen is a Gastroenterologist near San Clemente, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Nguyen to book an appointment today.

    Is this Dr. Phuong Nguyen affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nguyen is affiliated with Hoag Hospital Newport Beach which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Gastroenterologist?

    Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Phuong Nguyen accepting new patients in San Clemente, CA?

    Yes, Dr. Phuong Nguyen is accepting new patients at this time.

    Does Dr. Phuong Nguyen offer online booking?

    Please contact Dr. Nguyen's office at (949) 764-5760 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Phuong Nguyen?

    Please contact Dr. Nguyen's office at (949) 764-5760 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Phuong Nguyen have?

    Dr. Phuong Nguyen is certified by the American Board of Internal Medicine.

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