Dr. Mani Nallasivan, MD
Cardiology • Merced, CA
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 10, 2026. How our information is sourced · Report incorrect information
About
Merced Vein & Vascular Center in Merced, California, is led by Dr. Mani Nallasivan, a board-certified cardiologist and vascular specialist. The center offers cardiology services including interventional cardiology, nuclear cardiology, and cardiac electrophysiology, along with vascular medicine treatments for peripheral arterial disease, varicose veins, venous ulcers, and diabetes-related vascular conditions. Services include echocardiograms, ultrasound scans, stress testing, EKG, and cardiac clearances for surgery.
Services Offered
Technology & Equipment
Team
Insurance & Payment
Not published.
Languages Spoken
Not published.
FAQs
What services does Dr. Mani Nallasivan provide?
The page notes he is a cardiologist and vascular specialist with expertise in a wide range of cardiovascular and endovascular treatments.
Photos
Photos published by Dr. Mani Nallasivan, MD showing the cardiology practice in Merced, CA.
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye: 3.9/5 (14)
- WebMD: 2.5/5 (7 ratings (with 1 review))
Patients praise
- some patients describe him as kind, caring, and compassionate
- praised for being well-trained, intelligent, and having strong diagnostic skills in certain instances
- noted for professional bedside manner in some reviews
Common complaints
- concerns regarding office scheduling and administrative delays
- reports of long waiting times and double-booking appointments
- allegations of prioritizing financial gain over patient care
- complaints about missed diagnoses or lack of follow-through in cardiac care
"Awful physician. He only cares about $$$. ... This office sucks. My husband was given an URGENT referral for a foot infection. After three weeks of “trying” to get an appointment ... my husband had to be admitted to the hospital with talk of losing his foot."
- Healthgrades/Birdeye reviews"Dr. Mani is one of the kindest, most caring and compassionate gentlemen one can ever meet. He is also one of the most intelligent humans on earth. ... I know him both as a patient and a referring MD. 5 STARS!!!!"
- Birdeye reviews"Mani is one of the dumbest cardiologist that we have seen to date, not only he can’t recognize the signs and symptoms of a patient, but has the balls to tell the patient that everything is fine and see him in 6 months."
- Unilocal reviewsSynthesized from public review platforms as of Jul 10, 2026 - sources: [1][2][3][4].
In the News
- Dr. Ronal D. Manis, MD - Internal Medicine Physician in Troy, OH - May 14, 2026
- Dr. Manu Sharma, DMD, Orthodontist | Newark, CA | WebMD - Dec 29, 2025
- Mary E Manis, MD | CenterWell Primary Care - Mar 3, 2026
- Dr. Mansi Shah, DO, Rheumatologist | Shreveport, LA | WebMD - Oct 4, 2025
- Kathiresh-Kumar-Mani-VR - Vital Record - Jul 29, 2025
Information sourced from the clinic's website as of July 10, 2026.
Other cardiology clinics in Merced
Comparing your options?
See other cardiology clinics in Merced, or search the full directory by insurance, ratings, and more.
