25 of the Best Internists Near Me in Ontario, CA

Looking for the best internal medicine doctor near Ontario, CA? Find top internal medicine doctors near you in Ontario, CA and take the best care of your health. Internal Medicine doctors treat a wide range of conditions and are typically the first doctor that an individual with an undiagnosed condition would see.

25 of the Best Internists Near Me in Ontario, CA

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Internist Search Results

MediFind found 607 specialists near Ontario, CA

Location
LocationClose
607 providers found
    Expertise in
    32
    conditions
    Internal Medicine
    Expertise in
    32
    conditions
    Internal Medicine

    Office

    5475 Walnut Ave Ste H, 
    Chino, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Sudhir Reddy is an Internal Medicine provider in Chino, California. Dr. Reddy is highly rated in 32 conditions, according to our data. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Hemorrhoids, Gastrostomy, and Endoscopy.

    Expertise in
    29
    conditions
    Internal Medicine
    Expertise in
    29
    conditions
    Internal Medicine

    Susan Biegel MD Inc.

    1004 W Foothill Blvd Ste 200, 
    Upland, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Susan Biegel is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Biegel is highly rated in 29 conditions, according to our data. Her top areas of expertise are Sitosterolemia, Vitamin D Deficiency, Hypervitaminosis D, and High Cholesterol.

    Expertise in
    28
    conditions
    Internal Medicine
    Expertise in
    28
    conditions
    Internal Medicine

    Indus Healthcare Inc

    1060 E Foothill Blvd Ste 204, 
    Upland, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yogesh Paliwal is an Internal Medicine provider in Upland, California. Dr. Paliwal is highly rated in 28 conditions, according to our data. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertensive Heart Disease, Gastrostomy, and Endoscopy.

    Expertise in
    26
    conditions
    Internal Medicine
    Expertise in
    26
    conditions
    Internal Medicine

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Carlos Vigil is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Vigil is highly rated in 26 conditions, according to our data. His top areas of expertise are Acute Kidney Failure, Renovascular Hypertension, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

    Expertise in
    24
    conditions
    Internal Medicine | Pulmonary Medicine
    Expertise in
    24
    conditions
    Internal Medicine | Pulmonary Medicine

    Inland Physicians Medical Group

    9525 Monte Vista Ave, 
    Montclair, CA 
     (3.0 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Elbert Chang is an Internal Medicine specialist and a Pulmonary Medicine provider in Montclair, California. Dr. Chang has been practicing medicine for over 28 years is highly rated in 24 conditions, according to our data. His top areas of expertise are Asthma, Pneumonia, Lung Adenocarcinoma, Gastrostomy, and Advanced Bronchoscopy.

    Expertise in
    23
    conditions
    Internal Medicine
    Expertise in
    23
    conditions
    Internal Medicine

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

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

    Ghassan Hadi is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Hadi has been practicing medicine for over 38 years is highly rated in 23 conditions, according to our data. His top areas of expertise are Acute Kidney Failure, End-Stage Renal Disease (ESRD), Sepsis, Gastrostomy, and Endoscopy.

    Expertise in
    22
    conditions
    Internal Medicine | Pulmonary Medicine
    Expertise in
    22
    conditions
    Internal Medicine | Pulmonary Medicine

    California Pulmonary Associates Inc

    500 N Euclid Ave, 
    Upland, CA 
     (2.9 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English

    Nutan Bhaskar is an Internal Medicine specialist and a Pulmonary Medicine provider in Upland, California. Dr. Bhaskar has been practicing medicine for over 23 years is highly rated in 22 conditions, according to our data. His top areas of expertise are Bronchiolitis Obliterans, Industrial Bronchitis, Atypical Pneumonia, Hospital-Acquired Pneumonia, and Advanced Bronchoscopy.

    Expertise in
    20
    conditions
    Internal Medicine
    Expertise in
    20
    conditions
    Internal Medicine

    Prohealth Partners, A Medical Group, Inc

    685 N 13th Ave, 
    Upland, CA 
     (2.7 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Larry Chan is an Internal Medicine provider in Upland, California. Dr. Chan has been practicing medicine for over 19 years is highly rated in 20 conditions, according to our data. His top areas of expertise are Hypertensive Heart Disease, Familial Hypertension, Hypertension, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

    Expertise in
    20
    conditions
    Internal Medicine
    Expertise in
    20
    conditions
    Internal Medicine

    Kevin Jenkins, Do, Inc.

    944 W Foothill Blvd, 
    Upland, CA 
     (3.1 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 is highly rated in 20 conditions, according to our data. His top areas of expertise are Irritable Bowel Syndrome (IBS), Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Expertise in
    15
    conditions
    Internal Medicine | Pulmonary Medicine
    Expertise in
    15
    conditions
    Internal Medicine | Pulmonary Medicine

    Inland Physicians Medical Group

    9525 Monte Vista Ave, 
    Montclair, CA 
     (3.0 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Shahram Khorrami is an Internal Medicine specialist and a Pulmonary Medicine provider in Montclair, California. Dr. Khorrami has been practicing medicine for over 28 years is highly rated in 15 conditions, according to our data. His top areas of expertise are Asthma, Pneumonia, Lung Metastases, Pulmonary Fibrosis, and Gastrostomy.

    Expertise in
    3
    conditions
    Internal Medicine
    Expertise in
    3
    conditions
    Internal Medicine

    Harvey D. Cohen M.D. Inc.

    8330 Red Oak St Ste 201, 
    Rancho Cucamonga, CA 
     (4.7 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Aftab Qadir is an Internal Medicine provider in Rancho Cucamonga, California. Dr. Qadir has been practicing medicine for over 10 years is highly rated in 3 conditions, according to our data. His top areas of expertise are Pneumonia, Hospital-Acquired Pneumonia, Atypical Pneumonia, and Chronic Obstructive Pulmonary Disease (COPD).

    Expertise in
    1
    conditions
    Internal Medicine
    Expertise in
    1
    conditions
    Internal Medicine

    Aspen Family Medicine And Geriatrics

    Rancho Cucamonga, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Imdad Ahmad is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Ahmad is highly rated in 1 condition, according to our data. His top areas of expertise are Obesity in Children, Obesity, Food Allergy, and Type 2 Diabetes (T2D).

    Expertise in
    69
    conditions
    Internal Medicine
    Expertise in
    69
    conditions
    Internal Medicine

    Platinum Digestive Health

    250 W Bonita Ave, 
    Pomona, CA 
     (6.3 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English

    Bhaveshkumar Patel is an Internal Medicine provider in Pomona, California. Dr. Patel has been practicing medicine for over 19 years is highly rated in 69 conditions, according to our data. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Bile Duct Obstruction, Endoscopy, and Gastrostomy.

    Expertise in
    59
    conditions
    Internal Medicine
    Expertise in
    59
    conditions
    Internal Medicine

    Oncology Physicians Network Of California PC

    1910 Royalty Dr, 
    Pomona, CA 
     (5.6 miles away)
    Experience:
    29+ years
    Languages Spoken:
    English
    Offers Telehealth

    Behnam Ebrahimi is an Internal Medicine provider in Pomona, California. Dr. Ebrahimi has been practicing medicine for over 29 years is highly rated in 59 conditions, according to our data. His top areas of expertise are Inflammatory Breast Cancer, Small Cell Lung Cancer (SCLC), Angiosarcoma, and Paget Disease of the Breast.

    Expertise in
    54
    conditions
    Internal Medicine | Rheumatology
    Expertise in
    54
    conditions
    Internal Medicine | Rheumatology

    Metyas, Samy, M.D., Inc.

    500 W San Bernardino Rd, 
    Covina, CA 
     (14.4 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Samy Metyas is an Internal Medicine specialist and a Rheumatologist in Covina, California. Dr. Metyas has been practicing medicine for over 37 years is highly rated in 54 conditions, according to our data. His top areas of expertise are Fibromyalgia, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis.

    Expertise in
    50
    conditions
    Internal Medicine
    Expertise in
    50
    conditions
    Internal Medicine

    Totalcare Walk-In Clinic

    13334 Limonite Ave, 
    Eastvale, CA 
     (7.4 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Eastvale, California. Dr. Zhang has been practicing medicine for over 43 years is highly rated in 50 conditions, according to our data. Her top areas of expertise are Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis.

    Expertise in
    27
    conditions
    Internal Medicine
    Expertise in
    27
    conditions
    Internal Medicine

    Inland Pulmonary Medical Group

    9525 Monte Vista Ave Unit 105, 
    Montclair, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Jose Santiago is a primary care provider, practicing in Internal Medicine in Montclair, California. Dr. Santiago is highly rated in 27 conditions, according to our data. His top areas of expertise are Parkinson's Disease, Apoplexy, Sepsis, Hernia Surgery, and Kidney Transplant.

    Expertise in
    26
    conditions
    Internal Medicine
    Expertise in
    26
    conditions
    Internal Medicine

    Premiere Medical Group Of California

    901 San Bernardino Rd Ste 101, 
    Upland, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Ythanh Nguyen is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Nguyen is highly rated in 26 conditions, according to our data. Her top areas of expertise are Peptic Ulcer, Sepsis, Necrosis, Endoscopy, and Colonoscopy.

    Expertise in
    23
    conditions
    Internal Medicine
    Expertise in
    23
    conditions
    Internal Medicine

    Viet D. Ta MD & Tiffany L. Quan MD Medical Associates Inc.

    8235 Rochester Ave Ste 110, 
    Rancho Cucamonga, CA 
     (6.5 miles away)
    Languages Spoken:
    English

    Cong Phan is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Phan is highly rated in 23 conditions, according to our data. His top areas of expertise are Angiodysplasia of the Colon, Acute Kidney Failure, Visceromegaly, Gastrostomy, and Endoscopy.

    Expertise in
    20
    conditions
    Internal Medicine
    Expertise in
    20
    conditions
    Internal Medicine

    Cucamonga Valley Medical Group, Inc.

    5562 Philadelphia St, 
    Chino, CA 
     (2.9 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Brandon Tong is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Tong has been practicing medicine for over 15 years is highly rated in 20 conditions, according to our data. His top areas of expertise are Obesity, Hypolipoproteinemia, Tangier Disease, Fish-Eye Disease, and Ureteroscopy.

    Expertise in
    20
    conditions
    Internal Medicine | Pulmonary Medicine
    Expertise in
    20
    conditions
    Internal Medicine | Pulmonary Medicine

    Chaparral Medical Group, Inc.

    8330 Red Oak St, 
    Rancho Cucamonga, CA 
     (5.2 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Khader Abounasr is an Internal Medicine specialist and a Pulmonary Medicine provider in Rancho Cucamonga, California. Dr. Abounasr has been practicing medicine for over 22 years is highly rated in 20 conditions, according to our data. His top areas of expertise are Obstructive Sleep Apnea, Excessive Daytime Sleepiness, Drowsiness, Gastrostomy, and Advanced Bronchoscopy.

    Expertise in
    15
    conditions
    Internal Medicine
    Expertise in
    15
    conditions
    Internal Medicine

    Christopher C. Bautista DPM Inc

    5343 Riverside Dr, 
    Chino, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Ricardo Saca is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Saca is highly rated in 15 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Expertise in
    14
    conditions
    Internal Medicine
    Expertise in
    14
    conditions
    Internal Medicine

    Mukesh Amin MD & Tejinder Singh MD Inc.

    914 W Foothill Blvd Ste B, 
    Upland, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Tejinder Singh is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Singh is highly rated in 14 conditions, according to our data. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, Gastrostomy, and Endoscopy.

    Expertise in
    14
    conditions
    Internal Medicine | Pulmonary Medicine
    Expertise in
    14
    conditions
    Internal Medicine | Pulmonary Medicine

    Inland Pulmonary Medical Group

    9655 Monte Vista Ave, 
    Montclair, CA 
     (3.0 miles away)
    Experience:
    11+ years
    Languages Spoken:
    English
    Offers Telehealth

    Haaris Naji is an Internal Medicine specialist and a Pulmonary Medicine provider in Montclair, California. Dr. Naji has been practicing medicine for over 11 years is highly rated in 14 conditions, according to our data. His top areas of expertise are Asthma, Primary Mediastinal B-Cell Lymphoma (PMBCL), Hypovolemic Shock, and Pneumonia.

    Expertise in
    14
    conditions
    Internal Medicine
    Expertise in
    14
    conditions
    Internal Medicine

    Chino Valley Family Physicians A Medical Group

    13193 Central Ave Ste 100, 
    Chino, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Ali Etemadian is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Etemadian is highly rated in 14 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Renovascular Hypertension, COVID-19, Gastrostomy, and Endoscopy.

    Showing 1-25 of 607

    When should I see an Internist near Ontario, 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 Internist near Ontario, 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 Internists near Ontario, 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 Internists near Ontario, 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 Internist in Ontario?

    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 Internist search results page. 

    Why is it important to get a second opinion from a different Internist?

    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 Internist near Ontario, 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 Internist?

    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 Internist 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 Internists near Ontario, CA?

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

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

    Reviewed on: 11/07/24  

    By: MediFind Medical Staff 

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    Internists by city