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Dr. John Cosmi, MD

Concierge Cardiology physician, Morristown, NJ

Castle Connolly Private Health Partners
5.0 (10 reviews)

Dr. Cosmi is a board-certified cardiology physician who practices general and interventional cardiology at Morristown Memorial Hospital.

95 Madison Avenue, Morristown, NJ 07960
At a glance
Practice model
Concierge medicine membership
Board certification
Cardiovascular disease, internal medicine and interventional cardiology, American Board of Internal Medicine

Facts on this page last checked November 2026. How we check doctors

About Dr. Cosmi

Dr. Cosmi studied classics and biology at Rutgers College, graduating with honors and election to Phi Beta Kappa. He attended New Jersey Medical School in Newark, where he received scholarships and was elected to Alpha Omega Alpha. He completed his internal medicine residency at New York University Medical Center and Bellevue Hospital and served as chief medical resident.

He completed cardiology and interventional cardiology fellowships at NYU and was elected fellow of the year twice. He sees patients at the Gagnon Cardiovascular Institute at Morristown Medical Center. He works with Drs. Mark Blum, David Ira Freilich and Leonid Mandel in a membership model through Castle Connolly Private Health Partners.

His special interests are preventive cardiology and coronary artery disease.

Membership and fees

The practice runs a concierge medicine model.

Membership includes 24/7 communication with the doctor, one-on-one health coaching, same or next day appointments, expedited specialty care and a nationwide referral network.

Services

General cardiology Interventional cardiology Preventive cardiology Coronary artery disease
What cardiology doctors commonly treat

Education and credentials

Degree
MD
College
Rutgers College
Medical school
New Jersey Medical School
Residency
Internal medicine, New York University Medical Center and Bellevue Hospital
Fellowship
Cardiology and interventional cardiology, NYU
Board certification
American Board of Internal Medicine: cardiovascular disease, internal medicine and interventional cardiology
Professional memberships
Fellow, American College of Cardiology
License
New Jersey
Board actions
Good standing (checked Nov 2026) None on record Verify with the New Jersey State Board of Medical Examiners
NPI
1558458950

Hospital and practice affiliations

Staff membership, Atlantic Health System Morristown Medical Center
Gagnon Cardiovascular Institute at Morristown Medical Center

Location

95 Madison Avenue, Morristown, NJ 07960
Castle Connolly Private Health Partners practice page
Directions

Recognition and research

Awards

Cardiology Fellow of the Year, 2001 and 2002
Joan Barber Memorial Research Award, New York Echocardiography Society, June 22, 2000
Voted a Top Doctor in New Jersey Monthly Magazine for 2009-2019
Patients' Choice Award, 2011
Nominated for the 2023 Jersey Choice Top Doctor

Publications

Authored scientific papers on echocardiography and myocardial infarction

Patient reviews

5.0
10 reviews
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Write a review
Rated 5 out of 5

Great!

"Very professional care and consult."

FMDD UserSep 2024
Rated 5 out of 5

Awesome!

"Guided me in choosing the best treatment option."

FMDD UserSep 2024
Rated 5 out of 5

Amazing!

"Enlightened me about my condition."

FMDD UserSep 2024

Questions patients ask

Does Dr. Cosmi offer a membership?

Dr. Cosmi works with Castle Connolly Private Health Partners in a membership model alongside three other cardiologists. Membership includes same or next day appointments and 24/7 communication with the doctor.

Is Dr. Cosmi board certified?

Yes. The American Board of Internal Medicine certifies him in cardiovascular disease, internal medicine and interventional cardiology.

Where did Dr. Cosmi train?

He attended New Jersey Medical School and completed his residency at New York University Medical Center and Bellevue Hospital. He completed cardiology and interventional cardiology fellowships at NYU.

Where is Dr. Cosmi's office?

Dr. Cosmi sees patients at the Gagnon Cardiovascular Institute at Morristown Medical Center.

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