Summary

Dr. Deepak Thiagarajan is a board-certified physician specializing in geriatric medicine, hospital medicine, and internal medicine. He earned his medical degree from St. Georges University School of Medicine and has been practicing for 24 years, bringing extensive experience to his patient care. His comprehensive training allows him to provide specialized care for older adults while also managing complex medical conditions in hospital settings and providing primary internal medicine services.

Dr. Thiagarajan practices at multiple locations throughout Southern California, including Saint Bernardine Medical Center, San Antonio Regional Hospital, and Community Hospital of San Bernardino in San Bernardino, as well as facilities in Rancho Cucamonga and Ontario. He focuses on treating high blood pressure and managing hypertensive emergencies, conditions that require careful monitoring and expert care. His practice also includes coordinating physical therapy services and providing compassionate hospice care for patients and families during difficult times. Patients consistently rate their experience with Dr. Thiagarajan highly, giving him an average rating of 5.0.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 24 years of experience
  • St Georges University School Of Medicine
  • 3 specialties
  • 3 areas of expertise
  • 3 board certifications
  • 5 hospital affiliations
  • 8 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Deepak Venkateswaran Thiagarajan has 8 locations

Carlos R Vigil Do Pc

7974 Haven Ave Ste 210Rancho Cucamonga, CA 91730
Mon10:00 am - 6:00 pm
Tue10:00 am - 6:00 pm
Wed9:00 am - 1:00 pm
Thu10:00 am - 6:00 pm
Fri9:00 am - 1:00 pm
SatClosed
SunClosed

Saint Bernardine Medical Center

2101 N Waterman AveSan Bernardino, CA 92404

Dr. Deepak Venkateswaran Thiagarajan

399 E Highland Ave Ste 124San Bernardino, CA 92404

Community Hospital Of San Bernardino

1805 Medical Center DrSan Bernardino, CA 92411

Kindred Hospital Rancho

10841 White Oak AveRancho Cucamonga, CA 91730

Dr. Deepak Venkateswaran Thiagarajan

7974 Haven Ave Ste 210Rancho Cucamonga, CA 91730
Mon10:00 am - 6:00 pm
Tue10:00 am - 6:00 pm
Wed9:00 am - 1:00 pm
Thu10:00 am - 6:00 pm
Fri9:00 am - 1:00 pm
SatClosed
SunClosed

Kindred Hospital Ontario

550 N Monterey AveOntario, CA 91764

San Antonio Regional Hospital

999 San Bernardino RdUpland, CA 91786

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Dr. Deepak Venkateswaran Thiagarajan, MD
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Dr. Deepak Venkateswaran Thiagarajan, MDSahil Sharma, NPDr. Karanbir BrarDr. Ashujot Kaur Dang
Geriatric MedicineGeriatric MedicineGeriatric MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
24 Years of Experience 7 Years of Experience 16 Years of Experience 5 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish, Punjabi Speaks English, Punjabi, Spanish
Rancho Cucamonga , CANewport Beach , CAOceanside , CASan Bernardino , CA
Med School: St Georges University School Of Medicine Med School: Ross University School Of Medicine Med School: Government Medical College Patiala
Current Profile
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Insurance Plans Accepted by Dr. Deepak Venkateswaran Thiagarajan

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Deepak Venkateswaran Thiagarajan has the following 3 specialties

Specialty Expertise

Dr. Deepak Venkateswaran Thiagarajan has the following 3 areas of expertise

  • Alzheimer's Disease
  • Hospital Medicine
  • Internal Medicine

Certifications, License, & Education

24 Years Experience

Dr. Deepak Venkateswaran Thiagarajan holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2025.

Education & Training

Medical School

Graduated from St Georges University School Of Medicine in 2002.

NPI Number

Dr. Thiagarajan's NPI number is 1205052990.

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Frequently Asked Questions

Is Dr. Deepak Thiagarajan accepting new patients?
Dr. Deepak Thiagarajan is accepting new patients on Vitals. View Dr. Deepak Thiagarajan's profile on Vitals to make an appointment.
Where is Dr. Deepak Thiagarajan's office located?
Dr. Deepak Thiagarajan's office is located at 7974 Haven Ave Ste 210, Rancho Cucamonga, CA, 91730.
Which hospitals is Dr. Deepak Thiagarajan affiliated with?
Dr. Deepak Thiagarajan is affiliated with Saint Bernardine Medical Center, San Antonio Regional Hospital, Kindred Hospital Ontario, Community Hospital Of San Bernardino, and Kindred Hospital Rancho.
How can I make an appointment with Dr. Deepak Thiagarajan?
You can find contact information for Dr. Deepak Thiagarajan here on Vitals.
Does Dr. Deepak Thiagarajan accept virtual/telehealth appointments?
Dr. Deepak Thiagarajan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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