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Dr. Harry Nguyen, DO
Gastroenterology* Age 37
Dr. Harry Nguyen, DO
5.0 (1 Ratings)

Offers telehealth

Dr. Harry Nguyen, DO is a Gastroenterologist in Orange, CA.
Dr. Harry Nguyen, DO
5.0 (1 Ratings)

Dr. Harry Nguyen, DO

Gastroenterology* Age 37
Orange, CA
Accepting new patients

Offers telehealth

Dr. Harry Nguyen, DO is a Gastroenterologist in Orange, CA.

About Dr. Harry Nguyen, DO

Dr. Harry Nguyen, DO is a Gastroenterologist in Orange, CA. Dr. Nguyen has experience treating conditions like Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD), Ascites, Liver Damage from Alcohol, Cirrhosis, Hepatitis B, Hepatitis C, Esophageal Varices and Splenomegaly among other conditions at varying frequencies. Dr. Nguyen's office accepts new patients and telehealth appointments. Dr. Nguyen is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Ascites
Liver Damage from Alcohol
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Liver Damage from Alcohol
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Ascites
  • View other providers who treat Ascites
Liver Damage from Alcohol
Cirrhosis
Hepatitis B
Hepatitis C
Esophageal Varices
Splenomegaly
Flexible Sigmoidoscopy
Rigid Proctosigmoidoscopy
Manometry
Alcoholic Cirrhosis
Abdominal Pain
Gastroptosis
Endoscopy
Gas-Bloat Syndrome
Duodenal Polypectomy
Gastritis
Inflammatory Bowel Disease
Autoimmune Hepatitis
Constipation
Duodenitis
Intestinal Diverticulosis
Gastric Ulcer
Anemia
  • View other providers who treat Anemia
Crohn's Disease
Gastroesophageal Reflux Disease (GERD)
Hypokalemia
Colonoscopy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Colorectal Polyp
Chronic Gastritis
Hemorrhoids
Ulcerative Colitis
Intestinal Ulcer
Cholangitis
Familial Adenomatous Polyposis
Vitamin_Deficiency
Alcoholic Fatty Liver
Alcoholic Hepatitis
Anal or Rectal Pain
Barrett's Esophagus
Bile Duct Obstruction
Biliary Atresia
Biliary Cirrhosis
Celiac Disease
Chronic Cholecystitis
Colon Cancer
Congenital Anomaly Intestine
Copper Metabolism Disorders
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Ulcer
Dysphagia
Eosinophilic Esophagitis
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Ulcer
Esophagitis
Gallstones
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Hemochromatosis
Hepatic Fibrosis
Hereditary Amyloidosis
Intestinal Malabsorption Carbohydrate
Intestinal Obstruction
Irritable Bowel Syndrome
Lactose Intolerance
Liver Abscess
Liver Cancer
Liver Damage
Malnutrition
Nausea
  • View other providers who treat Nausea
Neoplasm of Gastrointestinal Tract
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Peptic Ulcer
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Reflux Esophagitis
Retroperitoneum Cancer
Unexplained Weight Loss
Upper Digestive Tract Cancer
Vomiting Disorders
Proctosigmoidoscopy

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • HealthyBlue Advantage
  • Silver 70 PPO
    Tandem PPO
    Blue High Performance Network EPO
    Blue Shield of California
  • BlueCard Traditional
    Blue Card
    BlueCard PPO
  • HealthyBlue Advantage
  • Advantage Health Solutions
  • Northern CA Cigna + Oscar LocalPlus EPO
    CA Cigna + Oscar Open Access Plus
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Advantage Preferred DirectAccess Plus PPO
    Blue Cross Blue Shield of California PPO
    Blue Cross Blue Shield of California
    Blue Cross CA PPO Prudent Buyer Small Group PPO
  • Choice Plus POS
    Options PPO
    Choice Plus
    Options
    SignatureValue - CA HMO
    Nexus Open Access
  • Cigna PPO
    LocalPlus
    Open Access Plus
    Cigna
    Cigna HMO
  • Select HMO
    Advantage HMO
    California Care Large Group HMO
    California Care Small Group HMO
    Prudent Buyer Large Group CA PPO
    Prudent Buyer Individual CA PPO

Where Dr. Harry Nguyen, DO Sees Patients

  1. 1 UCI Health
    101 The City Dr S, Orange, CA 92868
    Monday
    08:00 - 16:30
    Tuesday
    08:00 - 16:30
    Thursday
    08:00 - 16:30
    Friday
    08:00 - 16:30
  2. 2 Office
    19200 Jamboree Rd Ste 3300, Irvine, CA 92612
  3. 3 UCI Health Chao Family Comprehensive Cancer Center and Ambulatory Care
    19208 Jamboree Rd, Irvine, CA 92612
  4. 4 Valdemar Ascencio MD Inc.
    23961 Calle de la Magdalena Ste 200, Laguna Hills, CA 92653

What Patients Say

Likelihood to recommend Dr. Nguyen
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jun 01, 2025
My liver enzymes went up significantly. I was lucky to see Dr Nguyen who prescribed a slew of tests to identify the causes of my liver “disease “. He was very professional and caring. I felt very confident that I was in such good hands. Thank you, Dr Nguyen!!
— Jun 01, 2025
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Telehealth Options
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(714) 456-7002

Meet Dr. Harry Nguyen, DO

Specialties*
Gastroenterology
Hepatology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Nguyen communicate via email?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Nguyen offer telehealth services or virtual visits?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Nguyen offer an online patient portal?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Nguyen have free onsite parking?
1 user said yes.
Yes
(1)
No
(1)
Does Dr. Nguyen offer weekend visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Nguyen offer evening visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Nguyen specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Nguyen specialize in working with seniors?
No responses yet.
Yes
(0)
No
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Does Dr. Nguyen specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Nguyen specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
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(0)
Does Dr. Nguyen accept insurance?
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(0)
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FAQs About Dr. Nguyen's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Harry Nguyen, DO. To arrange an appointment, call the number on Dr. Nguyen's profile.

Dr. Nguyen frequently treats the following conditions: Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD), Ascites, Liver Damage from Alcohol, Cirrhosis, Hepatitis B, Hepatitis C, Esophageal Varices and Splenomegaly. See more on Sharecare.

Dr. Harry Nguyen, DO is affiliated with University of California Irvine Medical Center.

Yes, Dr. Harry Nguyen, DO holds board certification in Gastroenterology, Internal Medicine and Transplant Hepatology.

Training & Medical Education
Board Certifications
  • Gastroenterology, Internal Medicine and Transplant Hepatology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospitals Where Dr. Harry Nguyen, DO Practices

  • University of California Irvine Medical Center

    101 City Dr, Orange, CA

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