RS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sivarajan, Internist in Ontario, CA?
Dr. Ragu Sivarajan, DO is an Internist, who primarily practices in Ontario, CA with 2 additional practice locations. He is board certified. Dr. Sivarajan is fluent in English, Kannada, and Spanish, and is currently seeing new patients. Dr. Sivarajan’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sivarajan’s office at (909) 352-5322.
What languages does Dr. Sivarajan speak?
Dr. Sivarajan and their clinical team can communicate with patients in the following languages:
English
Kannada
Spanish
What conditions does Dr. Sivarajan treat?
As a Internist, Dr. Sivarajan 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. Sivarajan. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Chronic Kidney Disease
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Complicationss
- Diabetic Kidney Problems
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- 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:
- E119: Type 2 diabetes mellitus without complications
- E1169: Type 2 diabetes mellitus with other specified complication
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
Also known as:
- Ischemic Stroke
- One-Sided Weakness or Paralysis After Ischemic Stroke
- Paralysis
- Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
- Post-ischemic stroke hemiplegia
- Partial paralysis from ischemic stroke
- Ischemic stroke-related body weakness
- Hemiparesis after brain infarction
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
- I69359: Hemiplegia and hemiparesis following cerebral infarction affecting unspecified side
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:
- Other High Cholesterol
- Cholesterol
- Triglycerides
- Other hyperlipidemia
- Other high lipids
- Dyslipidemia
ICD-10 Codes:
- E7849: Other hyperlipidemia
Also known as:
- Tobacco Use
- Smokeless Tobacco
- Smoking
- Smoking habit
- Nicotine use
- Tobacco dependency
ICD-10 Codes:
- Z720: Tobacco use
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
Also known as:
- Gastrostomy Care
- Ostomy
- G-tube Care
- Feeding Tube Management
- Stomach Tube Care
ICD-10 Codes:
- Z431: Encounter for attention to gastrostomy
Also known as:
- High Blood Pressure Caused by Hormone Problems
- High Blood Pressure
- Endocrine Hypertension
- Hormone-Related High Blood Pressure
- High Blood Pressure due to Gland Problems
ICD-10 Codes:
- I152: Hypertension secondary to endocrine disorders
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, 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:
- Repeated Falls
- Falls
- Frequent Falling
- Recurrent Falls
- Balance Problems Leading to Falls
ICD-10 Codes:
- R296: Repeated falls
Also known as:
- Chronic Inflammatory Demyelinating Polyneuropathy
- Peripheral Nerve Disorder
- CIDP
- Chronic Inflammatory Polyneuritis
- Demyelinating Neuropathy
ICD-10 Codes:
- G6181: Chronic inflammatory demyelinating polyneuritis
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Skin Rash
- Rashes
- Skin Eruption
- Hives
- Dermatitis
- Skin Inflammation
ICD-10 Codes:
- R21: Rash and other nonspecific skin eruption
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:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Which procedures does Dr. Sivarajan perform as a Internist?
As a Internist, procedures performed by an Dr. Ragu Sivarajan 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. Sivarajan's office.
Does Dr. Sivarajan accept my insurance?
Dr. Sivarajan accepts most major insurance plans. Important: Please call our office at (909) 352-5322 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sivarajan accept in Ontario, CA?
Dr. Sivarajan in Ontario, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
All Other Third Party
Blue Shield of California
Centene
Clever Care Health Plan
Heritage Health
Inland Empire
Medicare
OptumRx
UnitedHealthcare
View All Insurances
Where is Dr. Sivarajan's office located?
Dr. Ragu Sivarajan's Primary Practice
1304 W Holt Blvd Ste A
Ontario, CA 91762
(909) 352-5322
What is Dr. Sivarajan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sivarajan's National Provider Identifier (NPI) number is 1902246523.
What common questions do patients ask about Dr. Sivarajan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sivarajan
What is Dr. Ragu Sivarajan's specialty?
Dr. Sivarajan is a Internist near Ontario, 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. Sivarajan to book an appointment today.Is this Dr. Ragu Sivarajan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sivarajan is affiliated with San Antonio Regional Hospital which is a Castle Connolly Top Hospital. 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 Ragu Sivarajan accepting new patients in Ontario, CA?
Yes, Dr. Ragu Sivarajan is accepting new patients at this time.
Does Dr. Ragu Sivarajan offer online booking?
Please contact Dr. Sivarajan's office at (909) 352-5322 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Ragu Sivarajan?
Please contact Dr. Sivarajan's office at (909) 352-5322 for information regarding telehealth appointment availability or for scheduling assistance.
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