The 20 Best Hartnup Disease Doctors in The United States

Find the Top Hartnup Disease Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 30 doctor with experience in Hartnup Disease near The United States. Of these, 20 are Advanced, 8 are Experienced, 1 are Distinguished and 1 are Elite.

Location
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30 providers found
    Elite in Hartnup Disease
    Internal Medicine
    Elite in Hartnup Disease
    Internal Medicine

    Office

    601 N Flamingo Rd Ste 201, 
    Pembroke Pines, FL 
    Languages Spoken:
    English
    Offers Telehealth

    Leonard Hoenig is a primary care provider, practicing in Internal Medicine in Pembroke Pines, Florida. Dr. Hoenig is rated as an Elite provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Hartnup Disease, Rhinophyma, Smallpox, and Buschke-Ollendorff Syndrome.

    Lawrence C. Parish
    Distinguished in Hartnup Disease
    Distinguished in Hartnup Disease

    Parish Dermatology

    1845 Walnut Street, Suite 1650, 
    Philadelphia, PA 
    Languages Spoken:
    English

    Lawrence Parish is a Dermatologist in Philadelphia, Pennsylvania. Dr. Parish is rated as a Distinguished provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Hartnup Disease, Athlete's Foot, Contact Dermatitis, and Pellagra.

    Joel M. Topf
    Advanced in Hartnup Disease
    Nephrology
    Advanced in Hartnup Disease
    Nephrology

    St Clair Nephrology

    18001 East 10 Mile Road, Suite 1, 
    Roseville, MI 
    Experience:
    31+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joel Topf is a Nephrologist in Roseville, Michigan. Dr. Topf has been practicing medicine for over 31 years and is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Low Sodium Level, Renovascular Hypertension, End-Stage Renal Disease (ESRD), Parathyroidectomy, and Endoscopy. Dr. Topf is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Hartnup Disease
    Medical Genetics
    Advanced in Hartnup Disease
    Medical Genetics
    1201 West La Veta Avenue, 
    Orange, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Richard Chang is a Medical Genetics provider in Orange, California. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Phenylketonuria (PKU), Maternal Hyperphenylalaninemia, Arginase Deficiency, and Urea Cycle Disorders (UCD). Dr. Chang is currently accepting new patients.

    Matthew E. Macken
    Advanced in Hartnup Disease
    Family Medicine
    Advanced in Hartnup Disease
    Family Medicine

    GMA/Heyl Family Practice

    1020 Center Avenue, 
    Pittsburgh, PA 
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Macken is a primary care provider, practicing in Family Medicine in Pittsburgh, Pennsylvania. Dr. Macken is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Seasonal Affective Disorder (SAD), Obesity, Gastroesophageal Reflux Disease (GERD), and Sinusitis.

    Scott L. Heyl
    Advanced in Hartnup Disease
    Family Medicine
    Advanced in Hartnup Disease
    Family Medicine

    GMA/Heyl Family Practice

    1020 Center Avenue, 
    Pittsburgh, PA 
    Languages Spoken:
    English
    Offers Telehealth

    Scott Heyl is a primary care provider, practicing in Family Medicine in Pittsburgh, Pennsylvania. Dr. Heyl is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Seasonal Affective Disorder (SAD), Gardner-Diamond Syndrome, Purpura, and Autoerythrocyte Sensitivity.

    Advanced in Hartnup Disease
    Gastroenterology
    Advanced in Hartnup Disease
    Gastroenterology

    Cedars-Sinai Gastrointestinal (Gi) Motility

    8720 Beverly Blvd, 
    West Hollywood, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Mark Pimentel is a Gastroenterologist in West Hollywood, California. Dr. Pimentel is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Irritable Bowel Syndrome (IBS), Small Bowel Bacterial Overgrowth, Diarrhea, Endoscopy, and Appendectomy.

    Advanced in Hartnup Disease
    Medical Genetics | Pediatrics
    Advanced in Hartnup Disease
    Medical Genetics | Pediatrics

    Fairview Express Care

    2512 S 7th St, 
    Minneapolis, MN 
    Languages Spoken:
    English, Hindi, Malay, Malayalam, Malayan, Tamil
    Accepting New Patients
    Offers Telehealth

    Nishitha Pillai is a Medical Genetics specialist and a Pediatrics provider in Minneapolis, Minnesota. Dr. Pillai is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. Her top areas of expertise are Hartnup Disease, Pompe Disease, Multiple Sulfatase Deficiency, and Hardikar Syndrome. Dr. Pillai is currently accepting new patients.

    Advanced in Hartnup Disease
    Family Medicine
    Advanced in Hartnup Disease
    Family Medicine

    Office

    6161 N State Highway 161 Ste 200, 
    Irving, TX 
    Languages Spoken:
    English

    Mary Ward is a primary care provider, practicing in Family Medicine in Irving, Texas. Dr. Ward is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. Her top areas of expertise are Sitosterolemia, Inborn Renal Aminoaciduria, Hartnup Disease, and Type 2 Diabetes (T2D).

    Advanced in Hartnup Disease
    Internal Medicine
    Advanced in Hartnup Disease
    Internal Medicine

    Lee's Summit Medical Center

    2100 SE Blue Pkwy, 
    Lees Summit, MO 
    Languages Spoken:
    English

    Daniel Halma is an Internal Medicine provider in Lees Summit, Missouri. Dr. Halma is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Hartnup Disease, Inborn Renal Aminoaciduria, Chronic Inflammatory Response Syndrome (CIRS), Endoscopy, and Ureteroscopy.

    Advanced in Hartnup Disease
    Medical Genetics | Pediatrics
    Advanced in Hartnup Disease
    Medical Genetics | Pediatrics
    6701 Fannin St, 
    Houston, TX 
    Languages Spoken:
    English, Urdu
    Accepting New Patients

    Seema Lalani is a Medical Genetics specialist and a Pediatrics provider in Houston, Texas. Dr. Lalani is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. Her top areas of expertise are GABA-Transaminase Deficiency, Hypotonia, VACTERL Association, and 1p36 Deletion Syndrome. Dr. Lalani is currently accepting new patients.

    Advanced in Hartnup Disease
    Advanced in Hartnup Disease

    Pediatric Genetics - Pch

    100 N Mario Capecchi Dr, 
    Salt Lake City, UT 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brian Shayota is a Pediatrics provider in Salt Lake City, Utah. Dr. Shayota is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Hartnup Disease, Robinow Syndrome, Genital Dwarfism, and Smith-Magenis Syndrome. Dr. Shayota is currently accepting new patients.

    Advanced in Hartnup Disease
    Pediatrics | Medical Genetics
    Advanced in Hartnup Disease
    Pediatrics | Medical Genetics
    1504 Taub Loop, 
    Houston, TX 
    Languages Spoken:
    English
    Accepting New Patients

    Daryl Scott is a Pediatrics specialist and a Medical Genetics provider in Houston, Texas. Dr. Scott is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are 1p36 Deletion Syndrome, Hernia, Coffin-Siris Syndrome, and Hypotonia. Dr. Scott is currently accepting new patients.

    Advanced in Hartnup Disease
    Advanced in Hartnup Disease

    Mayo Clinic-Rochester

    5716 Cleveland St Ste 200, 
    Virginia Beach, VA 
    Languages Spoken:
    English

    Anhar Hassan is a Neurologist in Virginia Beach, Virginia. Dr. Hassan is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. Her top areas of expertise are Drug Induced Dyskinesia, Movement Disorders, Parkinson's Disease, Deep Brain Stimulation, and Thalamotomy.

    Advanced in Hartnup Disease
    Medical Genetics
    Advanced in Hartnup Disease
    Medical Genetics
    2450 Holcombe Blvd # O270e, 
    Houston, TX 
    Languages Spoken:
    English

    Qin Sun is a Medical Genetics provider in Houston, Texas. Dr. Sun is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Urea Cycle Disorders (UCD), Purine Nucleoside Phosphorylase Deficiency, Argininosuccinic Aciduria, and Molybdenum Cofactor Deficiency (MoCD).

    Advanced in Hartnup Disease
    Family Medicine
    Advanced in Hartnup Disease
    Family Medicine

    The Family Practice Of Manakin - Sabot PC

    294 River Road West, 
    Manakin Sabot, VA 
    Languages Spoken:
    English

    Ralph Hellams is a primary care provider, practicing in Family Medicine in Manakin Sabot, Virginia. Dr. Hellams is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Inborn Renal Aminoaciduria, and Hartnup Disease.

    Advanced in Hartnup Disease
    Internal Medicine
    Advanced in Hartnup Disease
    Internal Medicine

    Parkridge East Hospital

    941 Spring Creek Rd, 
    Chattanooga, TN 
    Languages Spoken:
    English
    Offers Telehealth

    Jason Kilmer is a primary care provider, practicing in Internal Medicine in Chattanooga, Tennessee. Dr. Kilmer is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Stroke, Inborn Renal Aminoaciduria, Hartnup Disease, Gastrostomy, and Hip Replacement.

    Advanced in Hartnup Disease
    Rheumatology
    Advanced in Hartnup Disease
    Rheumatology

    Office

    2001 Inwood Rd, 
    Dallas, TX 
    Languages Spoken:
    English
    Offers Telehealth

    Haidy Galous is a Rheumatologist in Dallas, Texas. Dr. Galous is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. Her top areas of expertise are Lupus Nephritis, Raynaud Phenomenon, Dermatomyositis, and Sjogren Syndrome.

    Advanced in Hartnup Disease
    Family Medicine
    Advanced in Hartnup Disease
    Family Medicine

    Memorial Community Health Inc.

    609 O St, 
    Aurora, NE 
    Languages Spoken:
    English

    Jeffrey Muilenburg is a primary care provider, practicing in Family Medicine in Aurora, Nebraska. Dr. Muilenburg is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Erysipelas, St. Anthony's Fire, Childhood Iron Deficiency Anemia, and Hartnup Disease.

    Advanced in Hartnup Disease
    General Surgery
    Advanced in Hartnup Disease
    General Surgery

    Western Kentucky Surgical Associates PLLC

    1722 High St, 
    Hopkinsville, KY 
    Languages Spoken:
    English

    Matthew Robinson is a General Surgeon in Hopkinsville, Kentucky. Dr. Robinson is rated as an Advanced provider by MediFind in the treatment of Hartnup Disease. His top areas of expertise are Desmoid Tumor, Congenital Generalized Fibromatosis, Infantile Myofibromatosis, Gastrostomy, and Endoscopy.

    Showing 1-20 of 30

    Last Updated: 04/28/2026

    What is the definition of Hartnup Disease?

    Hartnup disorder is a genetic condition in which there is a defect in the transport of certain amino acids (such as tryptophan and histidine) by the small intestine and kidneys.

    When should I see a Hartnup Disease doctor in The United States?

    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 Hartnup Disease doctor in The United States?

    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 Hartnup Disease doctors in The United States?

    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 Hartnup Disease doctors in The United States?

    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 Hartnup Disease doctor in The United States?

    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 Hartnup Disease doctor search results page. 

    Why is it important to get a second opinion from a different Hartnup Disease 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 Hartnup Disease doctor in The United States?

    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 Hartnup Disease 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 Hartnup Disease 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 Hartnup Disease doctors in The United States?

    Look for the filter feature on the left side of the Hartnup Disease 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 Hartnup Disease doctor that offers video calls?

    Look for the filter feature on the left-side of the Hartnup Disease 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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