Takes about two minutes. Only your first name or chosen display name is shown — your email stays private.
Patients in Port Jefferson and around Suffolk County see Dr. Jonathan A. Krohn, an infectious disease physician, at North Shore-Lij Medical PC.
Dr. Krohn earned his medical degree at Icahn School of Medicine at Mount Sinai in 1984 — 42 years ago.
The office is at 200 Belle Terre Rd, Port Jefferson, NY 11777; the phone number on record is (631) 474-6000. Dr. Krohn accepts Medicare assignment, which means he takes the Medicare-approved amount as full payment for covered services.
Dr. Krohn is affiliated with John T Mather Memorial Hospital of Port Jefferson.
Your review of Dr. Krohn — wait times, how well things were explained, how you were treated — helps other patients decide.
Practice details
- Specialty
- Infectious disease physician
- Credentials
- MD
- Practice
- North Shore-Lij Medical PC
- Address
- 200 Belle Terre Rd, Port Jefferson, NY 11777
- Phone
- (631) 474-6000
- Medical school
- Icahn School of Medicine at Mount Sinai (1984)
- Hospital affiliations
- John T Mather Memorial Hospital of Port Jefferson
- Medicare assignment
- Accepts
- NPI number
- 1235244724
- NY license no.
- 202407
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 151 people with traditional Medicare, average age 73
- Most common services billed to Medicare
- Administration of influenza virus vaccine
- Medicare quality score (MIPS 2024)
- 93 out of 100
- New York Medicaid
- Enrolled fee-for-service provider since 1996. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- John T Mather Memorial Hospital of Port Jefferson
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing infectious disease doctors? See 45 across Long Island.
Other infectious disease doctors in Long Island
Dr. David Brieff, MDInfectious Disease Doctor · Chs Physician Partners PCNo reviews yetRoslyn, NY
Dr. Diane H. Johnson, MDInfectious Disease Doctor · New York UniversityNo reviews yetMineola, NY
Dr. Frances R. Wallach, MDInfectious Disease Doctor · North Shore-Lij Medical PCNo reviews yetNew Hyde Park, NY
Dr. Geoffrey E. Casimir, MDInfectious Disease Doctor · Island Infectious Disease Medical PLLCNo reviews yetPort Washington, NY
Dr. Henry J. Donaghy, MDInfectious Disease Doctor · North Shore-Lij Medical PCNo reviews yetNew Hyde Park, NY
Dr. Hermes Lopez Jr., MDInfectious Disease Doctor · Chs Physician Partners PCNo reviews yetRoslyn, NYWrite a review
Frequently Asked Questions
With North Shore-Lij Medical PC, at 200 Belle Terre Rd, Port Jefferson, NY 11777.
Call the office at (631) 474-6000.
Yes — Dr. Krohn accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
John T Mather Memorial Hospital of Port Jefferson.
Is this your profile?
