Dr. Keith Brennan, MD
Dr. Keith Brennan, MD is an internist in Oceanside, NY. He is affiliated with Mount Sinai South Nassau.
Practice
1 Healthy Way Oceanside, NY 11572Compare Dr. Keith Brennan, MD with other Internists near you
Experience Check
Search for experience in a specific area
Dr. Brennan's Reviews
Overall Patient Satisfaction
About Me
biography
Dr. Keith Brennan, MD is an internist in Oceanside, NY. He is affiliated with Mount Sinai South Nassau.Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Winthrop - University Hospital
Fellowship Hospital, 2015Roger Williams Medical Center
Residency Hospital, 2014
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Brain Health
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Practice
Practice
- Call
- Fax
- Hours
- Mon: closed
- Tue: closed
- Wed: closed
- Thu: closed
- Fri: closed
- Sat: closed
- Sun: closed
- Directions
Affiliated Hospitals
- Recipient of 8
hospital awardsView all awardsSurgical Care Excellence Award™ (2023)
Superior clinical outcomes in surgical care across 15 of the most common in-hospital surgical procedures including cardiac, vascular, joint replacement, prostate, spine, and gastrointestinal surgeries
View all patient feedbackHow patients felt about the care they received at this hospital.
77%Patients said they were given information about recovering at home7% lower than the national average
71%Patients said that doctors always listened to them and explained things well5% lower than the national average