The 20 Best Achalasia Doctors Near Me in Orange, CA

Find the Top Achalasia Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 54 doctor with experience in Achalasia near Orange, CA. Of these, 47 are Experienced, 5 are Advanced and 2 are Distinguished.

Location
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54 providers found
    Distinguished in Achalasia
    Gastroenterology
    Distinguished in Achalasia
    Gastroenterology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Kenneth Chang is a Gastroenterologist practicing medicine in Orange, California. Dr. Chang is rated as a Distinguished provider by MediFind in the treatment of Achalasia. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Colonoscopy.

    Distinguished in Achalasia
    Gastroenterology
    Distinguished in Achalasia
    Gastroenterology

    UCI Health H.H. Chao Comprehensive Digestive Disease Center

    101 The City Dr S Bldg 22C, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as a Distinguished provider by MediFind in the treatment of Achalasia. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.

    Experienced in Achalasia
    Pediatric Gastroenterology
    Experienced in Achalasia
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ashish Chogle is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Chogle is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Hirschsprung Disease, PIK3CA-Related Overgrowth Spectrum, and Mast Cell Activation Syndrome (MCAS). Dr. Chogle is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Achalasia
    Pediatric Gastroenterology
    Experienced in Achalasia
    Pediatric Gastroenterology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gregory Wong is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Hirschsprung Disease, Wolf-Hirschhorn Syndrome, Neurogenic Bowel, and Bowel Incontinence. Dr. Wong is currently accepting new patients.

    Advanced in Achalasia
    Thoracic Surgery
    Advanced in Achalasia
    Thoracic Surgery
    2151 North Harbor Boulevard, Suite 3100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Oh is a Thoracic Surgeon practicing medicine in Fullerton, California. Dr. Oh is rated as an Advanced provider by MediFind in the treatment of Achalasia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Lung Nodules, Pleuropulmonary Blastoma, Squamous Cell Lung Carcinoma, and Endoscopy. Dr. Oh is currently accepting new patients.

    Experienced in Achalasia
    Internal Medicine
    Experienced in Achalasia
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (0.6 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. He has been practicing medicine for over 44 years. Dr. Hryniewicki is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Purpura, Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Hryniewicki is board certified in American Board Of Internal Medicine.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    St Joseph Hospital Of Orange

    1100 W Stewart Dr, 
    Orange, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Jose Roque is a Gastroenterologist practicing medicine in Orange, California. Dr. Roque is rated as an Experienced provider by MediFind in the treatment of Achalasia. His clinical expertise encompasses Achalasia, Gastroesophageal Reflux Disease (GERD), and Diverticular Disease.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    Genesis Healthcare Partners PC

    1010 W La Veta Ave, 
    Orange, CA 
     (0.7 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English
    Offers Telehealth

    Haig Najarian is a Gastroenterologist practicing medicine in Orange, California. He has been practicing medicine for over 34 years. Dr. Najarian is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Ascites, Gastroesophageal Reflux Disease (GERD), Visceromegaly, Gastrectomy, and Endoscopy. Dr. Najarian is board certified in American Board Of Internal Medicine.

    Experienced in Achalasia
    General Surgery
    Experienced in Achalasia
    General Surgery

    Office

    333 City Blvd W Ste 1600, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marcelo Hinojosa is a General Surgeon practicing medicine in Orange, California. Dr. Hinojosa is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hernia, Obesity, Hiatal Hernia, Endoscopy, and Gastric Bypass.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Dr S Bldg 22C, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shaun Daly is a Gastroenterologist practicing medicine in Orange, California. Dr. Daly is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Obesity, Hernia, Gallbladder Removal, and Endoscopy.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    University Of California Irvine

    333 City Blvd W Ste 400, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Kyle Fortinsky is a Gastroenterologist practicing medicine in Orange, California. Dr. Fortinsky is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Toxic Megacolon, Viral Gastroenteritis, and Endoscopy.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    UCI Health H.H. Chao Comprehensive Digestive Disease Center

    101 The City Dr S Bldg 22C, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    John Lee is a Gastroenterologist practicing medicine in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Jaundice, Cholestasis, Bile Duct Stricture, Endoscopy, and Pancreatectomy.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Dr S Bldg 22C, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Karnes is a Gastroenterologist practicing medicine in Orange, California. Dr. Karnes is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Nonalcoholic Steatohepatitis (NASH), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Experienced in Achalasia
    General Surgery
    Experienced in Achalasia
    General Surgery

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ninh Nguyen is a General Surgeon practicing medicine in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Stomach Cancer, Endoscopy, and Gastrectomy.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    Uc Regents

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Fearn is a Gastroenterologist practicing medicine in Orange, California. Dr. Fearn is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Achalasia, Indigestion, Portal Hypertension, Childhood Volvulus, and Ileostomy.

    Experienced in Achalasia
    Internal Medicine
    Experienced in Achalasia
    Internal Medicine

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Samuel Ji is an Internal Medicine provider practicing medicine in Orange, California. Dr. Ji is rated as an Experienced provider by MediFind in the treatment of Achalasia. His clinical expertise encompasses Gastrointestinal Bleeding, Achalasia, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    Uc Regents

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Joshua Kwon is a Gastroenterologist practicing medicine in Orange, California. Dr. Kwon is rated as an Experienced provider by MediFind in the treatment of Achalasia. His clinical expertise encompasses Viral Gastroenteritis, Hepatitis B, Esophagitis, Endoscopy, and Gastric Bypass.

    Experienced in Achalasia
    Internal Medicine
    Experienced in Achalasia
    Internal Medicine

    Won K Yu MD

    17400 Irvine Blvd, 
    Tustin, CA 
     (3.2 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English

    Won Yu is an Internal Medicine provider practicing medicine in Tustin, California. He has been practicing medicine for over 26 years. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Indigestion, Pancreatic Pseudocyst, Familial Adenomatous Polyposis, Gastrectomy, and Gastrostomy. Dr. Yu is board certified in American Board Of Internal Medicine.

    Experienced in Achalasia
    Gastroenterology
    Experienced in Achalasia
    Gastroenterology

    Quang Quoc Phan, MD

    12665 Garden Grove Blvd, 
    Garden Grove, CA 
     (3.4 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English

    Quang Phan is a Gastroenterologist practicing medicine in Garden Grove, California. He has been practicing medicine for over 40 years. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Jaundice, Familial Adenomatous Polyposis, Hepatitis, Gastrostomy, and Endoscopy. Dr. Phan is board certified in American Board Of Internal Medicine.

    Experienced in Achalasia
    Internal Medicine
    Experienced in Achalasia
    Internal Medicine

    Office

    2040 S Santa Cruz St Ste 240, 
    Anaheim, CA 
     (4.1 miles away)
    Languages Spoken:
    English

    Katarzyna Twardowska is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Twardowska is rated as an Experienced provider by MediFind in the treatment of Achalasia. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Volkmann Contracture, Peptic Ulcer, Gastrostomy, and Endoscopy.

    Showing 1-20 of 54

    Last Updated: 04/28/2026

    What is the definition of Achalasia?

    The tube that carries food from the mouth to the stomach is the esophagus or food pipe. Achalasia makes it harder for the esophagus to move food into the stomach.

    When should I see an Achalasia doctor near Orange, 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 an Achalasia doctor near Orange, 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 Achalasia doctors near Orange, 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 Achalasia doctors near Orange, 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 an Achalasia doctor near Orange, 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 Achalasia doctor search results page. 

    Why is it important to get a second opinion from a different Achalasia 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 an Achalasia doctor near Orange, 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 Achalasia 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 Achalasia 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 Achalasia doctors near Orange, CA?

    Look for the filter feature on the left side of the Achalasia 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 an Achalasia doctor that offers video calls?

    Look for the filter feature on the left-side of the Achalasia 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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