The 20 Best Insomnia Doctors Near Me in Diamond Bar, CA

Find the Top Insomnia Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 378 doctor with experience in Insomnia near Diamond Bar, CA. Of these, 359 are Experienced, 18 are Advanced and 1 are Distinguished.

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378 providers found
    Advanced in Insomnia
    Family Medicine
    Advanced in Insomnia
    Family Medicine

    Office

    3110 Chino Ave Ste 150A, 
    Chino Hills, CA 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    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. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Agena is currently accepting new patients.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine
    22716 Mountain Laurel Way, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yuan Liu is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Liu is rated as an Experienced provider by MediFind in the treatment of Insomnia. She is also highly rated in 117 other conditions, according to our data. Her clinical expertise encompasses Lung Adenocarcinoma, Arthritis, Lung Cancer, Tissue Biopsy, and Endoscopy. Dr. Liu is currently accepting new patients.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Premier Family Medicine Associates Inc

    2140 Grand Ave Ste 125, 
    Chino Hills, CA 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Erik Olsen is a primary care provider, practicing in Family Medicine in Chino Hills, California. Dr. Olsen is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sepsis, High Cholesterol, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Pacemaker Implantation. Dr. Olsen is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Insomnia
    Internal Medicine
    Experienced in Insomnia
    Internal Medicine

    Oncology Physicians Network Of California PC

    1910 Royalty Dr, 
    Pomona, CA 
     (6.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Behnam Ebrahimi is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Ebrahimi is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Breast Cancer, Thrombocytopenia, and Lung Cancer. Dr. Ebrahimi is board certified in American Board Of Internal Medicine.

    Advanced in Insomnia
    Internal Medicine
    Advanced in Insomnia
    Internal Medicine

    Mallu C. Reddy M.D., Inc

    1196 N Park Ave, 
    Pomona, CA 
     (5.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mallu Reddy is a primary care provider, practicing in Internal Medicine in Pomona, California. Dr. Reddy is rated as an Advanced provider by MediFind in the treatment of Insomnia. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, Endoscopy, and Gastrostomy. Dr. Reddy is board certified in American Board Of Internal Medicine. Dr. Reddy is currently accepting new patients.

    Advanced in Insomnia
    Family Medicine
    Advanced in Insomnia
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    5562 Philadelphia St, 
    Chino, CA 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jesse Minguez is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Minguez is rated as an Advanced provider by MediFind in the treatment of Insomnia. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy. Dr. Minguez is board certified in American Board Of Family Medicine. Dr. Minguez is currently accepting new patients.

    Distinguished in Insomnia
    Neurology | Sleep Medicine
    Distinguished in Insomnia
    Neurology | Sleep Medicine
    Referral may be required
    101 East Valencia Mesa Drive, Suite 7B, 
    Fullerton, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Errajith Desilva is a Neurologist and a Sleep Medicine provider practicing medicine in Fullerton, California. Dr. Desilva is rated as a Distinguished provider by MediFind in the treatment of Insomnia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses 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 clinical expertise encompasses High Cholesterol, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sciatica, and Chronic Pain. 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)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Lee is a primary care provider, practicing in Family Medicine in Diamond Bar, California. He has been practicing medicine for over 10 years. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Insomnia. His clinical expertise encompasses 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. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses 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 clinical expertise encompasses 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
    Referral may be required
    2707 South Diamond Bar Boulevard, Suite 104, 
    Diamond Bar, CA 
     (1.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jonathan Ou is a primary care provider, practicing in Pediatrics and Internal Medicine in Diamond Bar, California. He has been practicing medicine for over 17 years. Dr. Ou is rated as an Experienced provider by MediFind in the treatment of Insomnia. His clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Febrile Neutropenia, and Vitamin D Deficiency. Dr. Ou is currently accepting new patients.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    St. Jude Heritage Diamond Bar-Primary Care

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

    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 clinical expertise encompasses Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, High Cholesterol, and Osteomyelitis in Children.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Luis Perez M.D. A Professional Corp.

    716 E Mission Blvd Ste D, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Luis Mejia-Perez is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Mejia-Perez is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Infant Hyperglycemia.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Western Univ. Of Health Sciences

    795 E 2nd St Ste 5, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Nghia Phan is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Cirrhosis, and Familial Combined Hyperlipidemia.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Western Univ. Of Health Sciences

    795 E 2nd St Ste 5, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Stephanie White is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. White is rated as an Experienced provider by MediFind in the treatment of Insomnia. Her clinical expertise encompasses Type 2 Diabetes (T2D), Sciatica, Vaginal Cysts, and Vaginal Dryness.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Smartclinic Inc.

    2707 E Valley Blvd, 
    West Covina, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Chen is a primary care provider, practicing in Family Medicine in West Covina, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses High Cholesterol, Apo A-I Deficiency, Abetalipoproteinemia, and Hypolipoproteinemia. Dr. Chen is board certified in American Board Of Family Medicine.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Avita Pharmacy 1013

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

    Asheesh Pasi is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Pasi is rated as an Experienced provider by MediFind in the treatment of Insomnia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Food Allergy, Type 2 Diabetes (T2D), and Familial Hypertriglyceridemia.

    Experienced in Insomnia
    Family Medicine
    Experienced in Insomnia
    Family Medicine

    Adam Hy, Do

    18897 Colima Rd, 
    Rowland Heights, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Adam Hy is a primary care provider, practicing in Family Medicine in Rowland Heights, California. Dr. Hy is rated as an Experienced provider by MediFind in the treatment of Insomnia. His clinical expertise encompasses Insomnia, Macrophagic Myofasciitis, Myositis, and Acrospiroma. Dr. Hy is board certified in American Board Of Family Medicine.

    Experienced in Insomnia
    Internal Medicine
    Experienced in Insomnia
    Internal Medicine

    Jason S Paek MD Inc.

    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. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Infant Hyperglycemia, Indigestion, and Tracheitis.

    Showing 1-20 of 378

    Last Updated: 09/26/2026

    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 

    Read more about our Content Policy. 

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