The 20 Best Nonalcoholic Steatohepatitis (NASH) Doctors Near Me in Upland, CA

Find the Top Nonalcoholic Steatohepatitis (NASH) Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 120 doctor with experience in Nonalcoholic Steatohepatitis (NASH) near Upland, CA. Of these, 31 are Experienced and 3 are Advanced.

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120 providers found
    Andrea S. Tieng
    Gastroenterology
    Gastroenterology

    Andrea S Tieng MD, Inc

    10801 Foothill Blvd, Ste 106, 
    Rancho Cucamonga, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Andrea Tieng was born and raised in New York City. She graduated Summa Cum Laude from the City University of New York and completed her medical degree at the State University of New York Health Science Center at the SUNY Downstate College of Medicine in Brooklyn, New York.Her internship and residency in Internal Medicine was completed at the Albert Einstein College of Medicine at Long Island Jewish Medical Center in New Hyde Park, New York, where she also fulfilled her Gastroenterology and Hepatology Fellowship.Board Certified by the American Board of Internal Medicine, Dr. Tieng is licensed to practice in both California and New York. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.Prior to founding her own practice in Redlands and San Bernardino, Dr. Tieng worked as a private gastroenterologist at Cedars-Sinai Medical Center in Los Angeles.Dr. Tieng specializes in providing sensitive and compassionate care to women, and delivers personalized care to all patients 18 years and older. Dr. Tieng is a board certified physician who treats patients with gastrointestinal illnesses and liver diseases. She utilizes innovative technology to perform diagnostic and therapeutic procedures of the gastrointestinal tract, including colonoscopy and upper endoscopy. . Her top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy.

    Endocrinology
    Endocrinology

    Rubina Aqeel MD Inc.

    1183 E Foothill Blvd Ste 260, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Rubina Aqeel is an Endocrinologist in Upland, California. Her top areas of expertise are Hyperthyroidism, Sheehan Syndrome, Hypopituitarism, and Isolated Hypogonadotropic Hypogonadism.

    Tony Kastoon
    Endocrinology
    Endocrinology

    Bashar Saad, M.D., Inc.

    630 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Tony Kastoon is an Endocrinologist in Upland, California. His top areas of expertise are Thyroid Storm, Type 2 Diabetes (T2D), Hypothyroidism, and Hyperparathyroidism.

    Learn about our expert tiers
    Advanced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology
    Advanced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology

    Basim Z. Abdelkarim, M.D., Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Basim Abdelkarim is a Gastroenterologist in Upland, California. Dr. Abdelkarim has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Diverticular Disease, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy.

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Singh has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Liver Transplant, and Knee Replacement.

    Gastroenterology
    Gastroenterology

    Ct Hung MD Inc.

    629 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Chuang-ti Hung is a Gastroenterologist in Upland, California. Dr. Hung is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Diverticular Disease, Trichohepatoenteric Syndrome, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Physician Assistant
    Physician Assistant
    629 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Kathleen Laurel is a Physician Assistant in Upland, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Internal Medicine
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Internal Medicine

    Hadi, Ghassan, E., M.D., Inc.

    1060 E Foothill Blvd, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English

    Ghassan Hadi is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Hadi has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Acute Kidney Failure, End-Stage Renal Disease (ESRD), Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology

    Basim Z. Abdelkarim, M.D., Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Priyanka Yaramada is a Gastroenterologist in Upland, California. Dr. Yaramada has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Anemia, Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Physician Assistant
    Physician Assistant
    1310 San Bernardino Rd, Ste. 103, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Ian Donahue is a Physician Assistant in Upland, California. His top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Gastroenterology

    Chaparral Medical Group Inc.

    1330 San Bernardino Rd Ste L, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Nischita Merla is a Gastroenterologist in Upland, California. Dr. Merla is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). Her top areas of expertise are Attenuated Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Juvenile Polyposis Syndrome, Endoscopy, and Gastrostomy.

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine

    William Tsai D O Inc.

    510 N 13th Ave Ste 101, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Tsai is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Pseudobulbar Affect, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Gastrostomy.

    Nurse Practitioner
    Nurse Practitioner
    901 San Bernardino Rd Ste 300, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Kevin Yang is a Nurse Practitioner in Upland, California. His top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Internal Medicine
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Internal Medicine

    Kevin Jenkins, Do, Inc.

    944 W Foothill Blvd, 
    Upland, CA 
     (1.1 miles away)
    Experience:
    53+ years
    Languages Spoken:
    English

    Kevin Jenkins is an Internal Medicine provider in Upland, California. Dr. Jenkins has been practicing medicine for over 53 years and is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Irritable Bowel Syndrome (IBS), Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    Family Medicine

    Unicare Community Health Center Inc.

    437 N Euclid Ave, 
    Ontario, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    William Paley is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Paley is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Obesity in Children, Obesity, Food Allergy, and Tangier Disease.

    Experienced in Nonalcoholic Steatohepatitis (NASH)
    General Practice
    Experienced in Nonalcoholic Steatohepatitis (NASH)
    General Practice

    California Medical Clinic Inc.

    402 E Holt Blvd, 
    Ontario, CA 
     (2.4 miles away)
    Languages Spoken:
    English

    David Lozano is a primary care provider, practicing in General Practice in Ontario, California. Dr. Lozano is rated as an Experienced provider by MediFind in the treatment of Nonalcoholic Steatohepatitis (NASH). His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Cirrhosis.

    Family Medicine
    Family Medicine

    Clinical Medica California

    402 E Holt Blvd, 
    Ontario, CA 
     (2.4 miles away)
    Languages Spoken:
    English

    Amilcar Zuniga is a Family Medicine provider in Ontario, California. His top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Nurse Practitioner
    Nurse Practitioner

    Inland Region Medical Group

    9089 Baseline Rd, 
    Rancho Cucamonga, CA 
     (2.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Lisa Von Zabern is a Nurse Practitioner in Rancho Cucamonga, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Nurse Practitioner
    Nurse Practitioner

    Upland-Ontario Medical Clinic

    1520 N Mountain Ave Ste 128, 
    Ontario, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Justine Buchholz is a Nurse Practitioner in Ontario, California. Her top areas of expertise are Chronic Graft Versus Host Disease (cGvHD), Febrile Neutropenia, Non-Alcoholic Fatty Liver Disease, and Nonalcoholic Steatohepatitis (NASH).

    Nurse Practitioner
    Nurse Practitioner
    4881 Princeton St, 
    Montclair, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    Leyna Tran is a Nurse Practitioner in Montclair, California. Her top areas of expertise are Non-Alcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis (NASH).

    Showing 1-20 of 120

    Last Updated: 04/28/2026

    What is the definition of Nonalcoholic Steatohepatitis (NASH)?

    Nonalcoholic steatohepatitis is an advanced stage of nonalcoholic fatty liver disease that occurs in individuals who do not abuse alcohol. In nonalcoholic steatohepatitis, a buildup of fat in the liver causes it to become inflamed and damaged.

    When should I see a Nonalcoholic Steatohepatitis (NASH) doctor near Upland, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Nonalcoholic Steatohepatitis (NASH) doctor near Upland, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Nonalcoholic Steatohepatitis (NASH) doctors near Upland, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Nonalcoholic Steatohepatitis (NASH) doctors near Upland, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Nonalcoholic Steatohepatitis (NASH) doctor near Upland, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Nonalcoholic Steatohepatitis (NASH) doctor search results page. 

    Why is it important to get a second opinion from a different Nonalcoholic Steatohepatitis (NASH) doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Nonalcoholic Steatohepatitis (NASH) doctor near Upland, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Nonalcoholic Steatohepatitis (NASH) doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Nonalcoholic Steatohepatitis (NASH) doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Nonalcoholic Steatohepatitis (NASH) doctors near Upland, CA?

    Look for the filter feature on the left side of the Nonalcoholic Steatohepatitis (NASH) doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Nonalcoholic Steatohepatitis (NASH) doctor that offers video calls?

    Look for the filter feature on the left-side of the Nonalcoholic Steatohepatitis (NASH) doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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