Cardiology

Merrill Nisam, MD

Larkspur, CA

My background is in biological sciences. I have done research in basic aspects of lung medicine – asthma. Maintain an active teaching Clinical Assistant Professor role, at Ucsf Medical Center. I have been MGH Medical Director of critical care and respiratory therapy, for over a decade. Well my background is in medical science, I recognize imitations of knowledge, and I am open to non-conventional thinking.

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Credentials

Years in Practice

45+ years

Peer Recognition

Castle Connolly — Top Doctor
2002-2026 (25 years)
Healthgrades — Healthgrades Honor Roll

Clinical Focus

Subspecialties

Cardiac Critical Care

Conditions & Treatments

Heart Failure

Insurance(s) Accepted

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

MarinHealth Medical Center

Conditions Dr. Nisam treats

Heart Failure

Insurance accepted

Frequently asked

Does Dr. Nisam accept Aetna insurance?

Merrill Nisam's public profile lists Aetna, Anthem Blue Cross Blue Shield, and Blue Cross Blue Shield plus 7 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. Nisam practice?

Merrill Nisam practices in Larkspur, CA with hospital affiliations including MarinHealth Medical Center.

What does Dr. Nisam specialize in?

Merrill Nisam is a board-certified cardiology specialist with focus areas in Cardiac Critical Care.

How long has Dr. Nisam been practicing?

Merrill Nisam has 46+ years of clinical experience in cardiology.