JO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ou, Internist in Diamond Bar, CA?
Dr. Jonathan Ou, MD is an Internist, who primarily practices in Diamond Bar, CA with 2 additional practice locations. He is board certified. Dr. Ou graduated from Keck School of Medicine of the University of Southern California and completed his residency at Loma Linda University Medical Center Program. Dr. Ou is fluent in English and Chinese, and is currently seeing new patients. Dr. Ou’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ou’s office at (909) 594-8331.
Where did Dr. Ou go to medical school and complete their residency?
Residency: Loma Linda University Medical Center Program
Medical School: Keck School of Medicine of the University of Southern California
What languages does Dr. Ou speak?
Dr. Ou and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Ou treat?
As a Internist, Dr. Ou diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ou. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Type 2 Diabetes with Chronic Kidney Disease
- Diabetes Complicationss
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Kidney Problems
- Diabetes Mellitus Complications
- Diabetes Related Health Problems
- Advanced Diabetes
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
ICD-10 Codes:
- E1169: Type 2 diabetes mellitus with other specified complication
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
Also known as:
- Routine Child Health Examination (Normal Findings)
- Health Checkup
- Normal Well-Child Checkup
- Child Physical Exam (No Issues)
- Routine Pediatric Exam (Clear)
ICD-10 Codes:
- Z00129: Encounter for routine child health examination without abnormal findings
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Prediabetes
- Insulin Resistance & Prediabetes
- Borderline diabetes
- Insulin resistance
- High blood sugar (not yet diabetes)
ICD-10 Codes:
- R7303: Prediabetes
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Abnormal Blood Sugar
- Blood Glucose
- High blood glucose
- Low blood glucose
- Glucose intolerance
ICD-10 Codes:
- R7309: Other abnormal glucose
Also known as:
- Allergic Rhinitis
- Allergy
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
ICD-10 Codes:
- J309: Allergic rhinitis, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Which procedures does Dr. Ou perform as a Internist?
As a Internist, procedures performed by an Dr. Jonathan Ou may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Ou's office.
Does Dr. Ou accept my insurance?
Dr. Ou accepts most major insurance plans. Important: Please call our office at (909) 594-8331 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ou accept in Diamond Bar, CA?
Dr. Ou in Diamond Bar, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Territories
All Other Third Party
Blue Shield of California
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Scan Health Plan
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Ou's office located?
Dr. Jonathan Ou's Primary Practice
253 S Diamond Bar Blvd
Diamond Bar, CA 91765
(909) 594-8331
What is Dr. Ou's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ou's National Provider Identifier (NPI) number is 1518109719.
What common questions do patients ask about Dr. Ou?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ou
What is Dr. Jonathan Ou's specialty?
Dr. Ou is a Internist near Diamond Bar, CA.
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Contact Dr. Ou to book an appointment today.Is this Dr. Jonathan Ou affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ou is affiliated with Providence St. Jude Medical Center, Casa Colina Hospital And Centers For Healthcare which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Internist?
Explore Internist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Jonathan Ou accepting new patients in Diamond Bar, CA?
Yes, Dr. Jonathan Ou is accepting new patients at this time.
Does Dr. Jonathan Ou offer online booking?
Please contact Dr. Ou's office at (909) 594-8331 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jonathan Ou?
Please contact Dr. Ou's office at (909) 594-8331 for information regarding telehealth appointment availability or for scheduling assistance.
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