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Patients in Riverhead and around Suffolk County see Dr. John Kassotis, a cardiologist, at Peconic Cardiology PC.

Medical school: Columbia University College of Physicians and Surgeons, class of 1990.

You'll find Dr. Kassotis at 951 Roanoke Ave, Riverhead, NY 11901. Call (631) 727-7773 to schedule. Dr. Kassotis accepts Medicare assignment, which means he takes the Medicare-approved amount as full payment for covered services.

On the hospital side, Dr. Kassotis holds affiliations with Peconic Bay Medical Center, Stony Brook University Hospital and Southside Hospital (Northwell Health).

About Dr. Kassotis's practice

Specialty
Cardiologist
Credentials
MD
Practice
Peconic Cardiology PC
Address
951 Roanoke Ave, Riverhead, NY 11901
Phone
(631) 727-7773
Medical school
Columbia University College of Physicians and Surgeons (1990)
Hospital affiliations
Peconic Bay Medical Center, Stony Brook University Hospital, Southside Hospital (Northwell Health)
Medicare assignment
Accepts
NPI number
1598759003
NY license no.
187961-01

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Medicare, Medicaid and hospitals

Medicare patients (2024)
765 people with traditional Medicare, average age 78
Most common services billed to Medicare
  • Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days
  • Evaluation of cardiac rhythm monitor system, remote up to 30 days
  • Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days
New York Medicaid
Enrolled fee-for-service provider since 1997. Medicaid managed-care plans keep their own networks, so check with your plan.
Hospital pages
Peconic Bay Medical Center · Southside Hospital (Northwell Health) · Stony Brook University Hospital

Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.

Comparing cardiologists? See 8 in Riverhead or 231 across Long Island.

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Frequently Asked Questions

With Peconic Cardiology PC, at 951 Roanoke Ave, Riverhead, NY 11901.

Call the office at (631) 727-7773.

Yes — Dr. Kassotis accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.

Peconic Bay Medical Center, Stony Brook University Hospital and Southside Hospital (Northwell Health).

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