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    Last Updated: 10/30/2025

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    MediFind found 338 doctor with experience in Insomnia near Diamond Bar, CA. Of these, 323 are Experienced, 14 are Advanced and 1 are Distinguished.

    Location
    LocationClose
    338 providers found
      Advanced in Insomnia
      Family Medicine
      Advanced in Insomnia
      Family Medicine

      Premier Family Medicine Associates, Inc

      3110 Chino Ave, Suite 150a, 
      Chino Hills, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ryan Agena is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Agena is rated as an Advanced provider by MediFind in the treatment of Insomnia. His top areas of expertise are High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Advanced in Insomnia
      Family Medicine | General Practice
      Advanced in Insomnia
      Family Medicine | General Practice
      19115 Colima Rd, Unit 102, 
      Rowland Heights, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Sangjun Byeon is a primary care provider, practicing in Family Medicine and General Practice in Rowland Heights, California. Dr. Byeon is rated as an Advanced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Henoch-Schonlein Purpura, Sciatica, Scoliosis, and Bronchitis.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Dennis J. Ponzio
      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      Caduceus Medical Group

      18200 Yorba Linda Blvd, Suite 250, 
      Yorba Linda, CA 
       (7.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Dennis Ponzio is a primary care provider, practicing in Family Medicine in Yorba Linda, California. Dr. Ponzio is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

      Learn about our expert tiers
      Distinguished in Insomnia
      Neurology | Sleep Medicine
      Distinguished in Insomnia
      Neurology | Sleep Medicine
      101 East Valencia Mesa Drive, Suite 7B, 
      Fullerton, CA 
       (9.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Errajith Desilva is a Neurologist and a Sleep Medicine provider in Fullerton, California. Dr. Desilva is rated as a Distinguished provider by MediFind in the treatment of Insomnia. His top areas of expertise are Obstructive Sleep Apnea, Insomnia, Drowsiness, Gastrostomy, and Endoscopy. Dr. Desilva is currently accepting new patients.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      253 South Diamond Bar Boulevard, 
      Diamond Bar, CA 
       (1.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Aaron Lin is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are High Cholesterol, Hypertension, Pulmonary Hypertension, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). Dr. Lin is currently accepting new patients.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      253 South Diamond Bar Boulevard, 
      Diamond Bar, CA 
       (1.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Eric Lee is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Gout, and Congenital Hemolytic Anemia. Dr. Lee is currently accepting new patients.

      Experienced in Insomnia
      Family Medicine | Geriatrics
      Experienced in Insomnia
      Family Medicine | Geriatrics
      253 South Diamond Bar Boulevard, 
      Diamond Bar, CA 
       (1.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      David Rhodes is a primary care provider, practicing in Family Medicine and Geriatrics in Diamond Bar, California. Dr. Rhodes is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      253 South Diamond Bar Boulevard, 
      Diamond Bar, CA 
       (1.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Patrick Bachoura is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Bachoura is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Chronic Pain, and Osteomyelitis in Children. Dr. Bachoura is currently accepting new patients.

      Experienced in Insomnia
      Pediatrics | Internal Medicine
      Experienced in Insomnia
      Pediatrics | Internal Medicine
      2707 South Diamond Bar Boulevard, Suite 104, 
      Diamond Bar, CA 
       (1.2 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English
      Offers Telehealth

      Jonathan Ou is a primary care provider, practicing in Pediatrics and Internal Medicine in Diamond Bar, California. Dr. Ou has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Osteomyelitis in Children, High Cholesterol, Febrile Neutropenia, and Vitamin D Deficiency.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      Providence Medical Foundation

      1514 Valley Vista Dr, 
      Diamond Bar, CA 
       (1.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jeanette Castro is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Castro is rated as an Experienced provider by MediFind in the treatment of Insomnia. Her top areas of expertise are Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, High Cholesterol, and Osteomyelitis in Children.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      2020 S Brea Canyon Rd, A1 Db Medical, 
      Diamond Bar, CA 
       (2.2 miles away)
      Languages Spoken:
      English

      Pei-chi Wu is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Vitamin D Deficiency, Obesity in Children, Osteoporosis, and Postmenopausal Osteoporosis.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      Premier Family Medicine Associates, Inc

      2140 Grand Ave, Suite 125, 
      Chino Hills, CA 
       (3.0 miles away)
      Languages Spoken:
      English

      Jesse Cheung is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Cheung is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Type 2 Diabetes (T2D), Obesity, Sepsis, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      3191 W Temple Ave, Suite 190, 
      Pomona, CA 
       (3.1 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      David Chen is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are High Cholesterol, Familial HDL Deficiency, Familial Hypobetalipoproteinemia, and Apo A-I Deficiency.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      Premier Family Medicine Associates, Inc

      3110 Chino Ave, Suite 150a, 
      Chino Hills, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Sula Safar is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Safar is rated as an Experienced provider by MediFind in the treatment of Insomnia. Her top areas of expertise are Acne, Obesity in Children, Tension Headache, Vertigo, and Intrauterine Device Insertion.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      East Valley Community Health Center, Inc.

      1555 S Garey Ave, 
      Pomona, CA 
       (4.5 miles away)
      Experience:
      43+ years
      Languages Spoken:
      English

      Ignacio De Artola is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. De Artola has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Obesity in Children, Food Allergy, Type 2 Diabetes (T2D), and Cirrhosis.

      Experienced in Insomnia
      Internal Medicine
      Experienced in Insomnia
      Internal Medicine
      18773 Colima Rd, 
      Rowland Heights, CA 
       (4.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jason Paek is a primary care provider, practicing in Internal Medicine in Rowland Heights, California. Dr. Paek is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Osteomyelitis in Children, Infant Hyperglycemia, Indigestion, and Tracheitis.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine
      15855 Pomona Rincon Road, 
      Chino Hills, CA 
       (4.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Bonnie Cheung is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Cheung is rated as an Experienced provider by MediFind in the treatment of Insomnia. Her top areas of expertise are Vitamin D Deficiency, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

      Experienced in Insomnia
      Internal Medicine
      Experienced in Insomnia
      Internal Medicine
      18575 Gale Ave, 
      City Of Industry, CA 
       (5.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Chia-yu Teng is a primary care provider, practicing in Internal Medicine in City Of Industry, California. Dr. Teng is rated as an Experienced provider by MediFind in the treatment of Insomnia. His top areas of expertise are Osteomyelitis in Children, Sitosterolemia, High Cholesterol, and Jaundice.

      Experienced in Insomnia
      Family Medicine
      Experienced in Insomnia
      Family Medicine

      Chino Hills Family Medical Group

      15361 Central Avenue, 
      Chino, CA 
       (7.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Cynthia Moreno is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Moreno is rated as an Experienced provider by MediFind in the treatment of Insomnia. Her top areas of expertise are Empyema, Sinusitis, Cellulitis, and Vertigo.

      Advanced in Insomnia
      Internal Medicine
      Advanced in Insomnia
      Internal Medicine

      Totalcare Walk In Clinic Inc

      13768 Roswell Ave, Suite 118, 
      Chino, CA 
       (5.1 miles away)
      Languages Spoken:
      English

      Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Zhang is rated as an Advanced provider by MediFind in the treatment of Insomnia. Her top areas of expertise are Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis.

      Showing 1-20 of 338

      Last Updated: 10/30/2025

      What is the definition of Insomnia?

      Insomnia is trouble falling asleep, staying asleep (usually through the night), or waking up too early in the morning.

      Episodes of insomnia may come and go or be long-lasting.

      The quality of your sleep is as important as how much sleep you get.

      When should I see an Insomnia doctor near Diamond Bar, 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 Insomnia doctor near Diamond Bar, 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 Insomnia doctors near Diamond Bar, 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 Insomnia doctors near Diamond Bar, 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 Insomnia doctor near Diamond Bar, 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 Insomnia doctor search results page. 

      Why is it important to get a second opinion from a different Insomnia 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 Insomnia doctor near Diamond Bar, 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 Insomnia 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 Insomnia 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 Insomnia doctors near Diamond Bar, CA?

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

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