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Northwell Health Physician Partners

Internal Medicine, Infectious Disease, and Otolaryngology at Babylon

About us

As one of the premier providers of internal medicine and infectious disease services in the region, our physicians have been providing high-quality medical care for over 33 years. Board certified in internal medicine, family medicine and infectious disease, they are available for multiple services including primary care, travel medicine, HIV care, home antibiotic care, diabetic foot infection management and prosthetic joint infection management.

The doctors of Northwell Health Physician Partners are caring for you at this location using Northwell Health’s leading resources and research. Our comprehensive services and compassionate care have earned us the trust of patients, their families and referring physicians.

While we accept most insurances, when scheduling your appointment with one of our doctors, please confirm your insurance plan is accepted here.

Our doctors

Giancarlo De Carolis, MD

Adult Primary Care, Family Medicine

Ronald Lenefsky, MD

Chief of Division of Medicine - Infectious Disease, South Shore University Hospital


Infectious Disease, Internal Medicine

Dean C. Lumley, DO

Adult Primary Care, Family Medicine

Bernard Jay Nash, MD, FACP

Infectious Disease, Internal Medicine
Day Hours
Sunday Closed
Monday 9:00am - 5:30pm
Tuesday 9:00am - 5:30pm
Wednesday 9:00am - 5:30pm
Thursday 9:00am - 5:30pm
Friday 8:30am - 5:00pm
Saturday -
Insurance information

We accept most insurance plans. When scheduling your appointment, please confirm your insurance is accepted at this location.

Find out if your insurance is accepted
Northwell Health Physician Partners Internal Medicine, Infectious Disease, and Otolaryngology at Babylon
500 West Main Street, Suite 204Babylon, NY 11702
Fax: (631) 587-7798

Our representatives are available to schedule your appointment Monday through Friday from 9am to 5pm.

For a Northwell ambulance, call
(833) 259-2367.