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Summary
Dr. Ragu Sivarajan treats hypertension, high cholesterol in children and teens, and hypertensive emergency. He practices internal medicine and hospital medicine and has 13 years of experience. Dr. Sivarajan is affiliated with Kaiser Foundation Hospital, Providence Saint Mary Medical Center, and Kaiser Permanente Ontario Medical Center, and sees patients in Ontario, California. He speaks English and Spanish.
Overview based on verified provider data
Quick Facts
- 13 years of experience
- speaks English, Spanish
- Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
- 2 specialties
- 5 areas of expertise
- 3 hospital affiliations
- 1 office location
- Male
Office Location
Compare with Similar Doctors
 |  |  |  |
| Dr. Ragu Sivarajan, MD | Dr. Adama Diarra, DO | Dr. Adewumi Bakare DMSc, PA-C | Karthikeyan Viswanathan, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 13 Years of Experience | 14 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, French, Bambara | Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) | Speaks English, Tamil |
| Ontario , CA | Tigard , OR | Mesquite , TX | Palo Alto , CA |
| Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific | Med School: Arizona College of Osteopathic Medicine | Med School: University of Lynchburg - DMSc | Med School: Bassett Medical Center - Cooperstown, New York |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Ragu Sivarajan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Ragu Sivarajan has the following 2 specialties
Specialty Expertise
Dr. Ragu Sivarajan has the following 5 areas of expertise
Certifications, License, & Education
13 Years Experience
Dr. Ragu Sivarajan holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific in 2013.
NPI Number
Dr. Sivarajan's NPI number is 1902246523.
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Frequently Asked Questions
- How can I make an appointment with Dr. Ragu Sivarajan?
- You can find contact information for Dr. Ragu Sivarajan here on Vitals.
- What languages does Dr. Ragu Sivarajan speak?
- Dr. Ragu Sivarajan speaks English and Spanish.
- Is Dr. Ragu Sivarajan accepting new patients?
- Dr. Ragu Sivarajan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Ragu Sivarajan's office located?
- Dr. Ragu Sivarajan's office is located at 2295 S Vineyard Ave, Ontario, CA, 91761.
- Does Dr. Ragu Sivarajan accept my insurance?
- You can see the insurance plans that Dr. Ragu Sivarajan accepts on their Vitals profile.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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