Summary

Dr. Mani Nallasivan is a cardiovascular disease specialist with expertise in interventional cardiology. He earned his medical degree from Madurai Medical College and completed his residency at University of Wisconsin Hospital. With 46 years of clinical experience, Dr. Nallasivan brings extensive knowledge to treating heart and vascular conditions. He is fluent in both Spanish and English.

Dr. Nallasivan practices at multiple locations throughout Merced and Modesto, California, with hospital privileges at Fresno Heart And Surgical Hospital. His clinical focus includes managing high blood pressure and treating hypertensive emergencies. He performs specialized heart imaging procedures such as contrast echocardiography and transthoracic echocardiograms to evaluate heart function. Dr. Nallasivan also conducts cardiac perfusion scans to assess blood flow to the heart muscle.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 1.5
  • 46 years of experience
  • 25 insurance plans accepted
  • speaks Spanish, English
  • University Of Wisconsin Hospital
  • 2 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Had a good bedside manner
  • Spent time with me
  • Provided follow-up after the visit

Office Locations

Dr. Mani Nallasivan has 4 locations

Merced Vein And Vascular Center

424 E Yosemite Ave Ste AMerced, CA 95340
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Merced Vein and Vascular

424 E Yosemite Ave Ste AMerced, CA 95340
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

University Surgery Center

1390 E Yosemite Ave Ste BMerced, CA 95340
Mon6:30 am - 5:00 pm
Tue6:30 am - 5:00 pm
Wed6:30 am - 5:00 pm
Thu6:30 am - 5:00 pm
Fri6:30 am - 4:30 pm
SatClosed
SunClosed

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Dr. Mani Nallasivan, MDDr. Raghav Sharma, MDDr. Chenn-Yow Fuh, MDDr. John Charles Merillat, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
1.5 
4.3 
4.3 
46 Years of Experience 16 Years of Experience 51 Years of Experience 45 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English, Hindi Speaks English, Spanish Speaks Spanish, Vietnamese
Merced , CAWinter Park , FLMerced , CAModesto , CA
Med School: Madurai Medical College Med School: New York Medical College Med School: China Medical University Med School: University Of Kansas School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Mani Nallasivan

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna - HMO
  • Alignment Health Plan
  • AllCare Health
  • AllCare Health - IPA
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - Medicare
  • Brand New Day
  • Central California Alliance for Health
  • Central California Alliance for Health - Medicaid (Managed)
  • Cigna
  • Health Net - HMO
  • Health Plan of San Joaquin
  • HealthSmart
  • Humana
  • Imperial Health Plan of California
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. Mani Nallasivan has the following 2 specialties

Specialty Expertise

Dr. Mani Nallasivan has the following 14 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Hypertension
  • Interventional Cardiology
  • Stroke
  • Unstable Angina

Certifications, License, & Education

46 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

University Of Wisconsin Hospital

Medical School

Madurai Medical CollegeGraduated in 1980

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Frequently Asked Questions

Is Dr. Mani Nallasivan accepting new patients?
Dr. Mani Nallasivan is accepting new patients on Vitals. View Dr. Mani Nallasivan's profile on Vitals to make an appointment.
Where is Dr. Mani Nallasivan's office located?
Dr. Mani Nallasivan's office is located at 424 E Yosemite Ave Ste A, Merced, CA, 95340.
Does Dr. Mani Nallasivan accept virtual/telehealth appointments?
Dr. Mani Nallasivan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mani Nallasivan speak?
Dr. Mani Nallasivan speaks Spanish and English.
Does Dr. Mani Nallasivan accept my insurance?
You can see the insurance plans that Dr. Mani Nallasivan accepts on their Vitals profile.

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