Summary

Dr. Harish Rengarajan is an internal medicine physician who earned his medical degree from Vinayaka Missions Medical College Pondicherry. With two decades of clinical experience, he focuses on comprehensive adult healthcare and the management of complex medical conditions. Dr. Rengarajan is fluent in both English and Spanish, allowing him to serve diverse patient populations.

Dr. Rengarajan practices at Saint Clares Denville Hospital in Denville, New Jersey, and Saint Marys General Hospital in Passaic, New Jersey. He specializes in treating high blood pressure, including emergency situations when blood pressure reaches dangerous levels. His expertise includes performing complete blood count tests to evaluate overall health and conducting kidney function assessments through creatinine testing. Additionally, he provides dialysis adequacy monitoring to ensure patients receiving kidney treatment are getting optimal care.

Overview based on verified provider data

Quick Facts

  • 20 years of experience
  • 27 insurance plans accepted
  • speaks English, Spanish
  • Vinayaka Missions Medical College Pondicherry
  • 1 specialty
  • 2 office locations
  • Male

Office Locations

Dr. Harish Kumar Rengarajan has 2 locations

Saint Clares Denville Hospital

25 Pocono RdDenville, NJ 07834

Saint Marys General Hospital

350 BoulevardPassaic, NJ 07055

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Dr. Harish Kumar Rengarajan, MDDr. Mitul PatelDr. Shirish Vinayak Bhatt, MDDr. Aiza Akbar, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
20 Years of Experience 32 Years of Experience 14 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish, Gujarati, Hindi Speaks English
Denville , NJFanwood , NJFairfield , NJGlen Ridge , NJ
Med School: Vinayaka Missions Medical College Pondicherry Med School: Medical College Of Wisconsin Med School: King Edward Medical University
Current Profile
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Insurance Plans Accepted by Dr. Harish Kumar Rengarajan

  • Aetna
  • Aetna - HMO
  • Affinity Health Plan
  • Alameda Alliance for Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Oklahoma
  • Blue Shield of California
  • Central California Alliance for Health
  • Central California Alliance for Health - Medicaid (Managed)
  • Cigna
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Health Net - HMO
  • Health Plan of San Mateo
  • Health Plan of San Mateo - Medicaid
  • Imperial Health Plan of California
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Harish Kumar Rengarajan has the following specialty

Certifications, License, & Education

20 Years Experience

Dr. Harish Kumar Rengarajan holds active, expired, and inactive medical licenses in the states of California, New Jersey, and New York.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027, an expired medical license in the state of New Jersey that expired in 2025, and an inactive medical license in the state of New York that expired in 2022.

Education & Training

Medical School

Graduated from Vinayaka Missions Medical College Pondicherry in 2006.

NPI Number

Dr. Rengarajan's NPI number is 1740592757.

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Frequently Asked Questions

Is Dr. Harish Kumar Rengarajan accepting new patients?
Dr. Harish Kumar Rengarajan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Harish Kumar Rengarajan accept my insurance?
You can see the insurance plans that Dr. Harish Kumar Rengarajan accepts on their Vitals profile.
Where is Dr. Harish Kumar Rengarajan's office located?
Dr. Harish Kumar Rengarajan's office is located at 25 Pocono Rd, Denville, NJ, 07834.
Does Dr. Harish Kumar Rengarajan accept virtual/telehealth appointments?
Dr. Harish Kumar Rengarajan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Harish Kumar Rengarajan?
You can find contact information for Dr. Harish Kumar Rengarajan here on Vitals.

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