Dr. Elizabeth O'Callahan, MD
Concierge Family Medicine physician, Brooklyn, NY
One MedicalDr. O'Callahan is a family physician at One Medical's Cobble Hill office in Brooklyn who sees patients ages 14 and older.
Facts on this page last checked October 2026. How we check doctors
About Dr. O'Callahan
Dr. O'Callahan practices as a family physician at One Medical's Cobble Hill office in Brooklyn. She studied at Weill Cornell. She has worked with patients from a variety of backgrounds and has experience with a full range of primary care.
Her first priority is giving patients the tools to make decisions about their own health. She believes in healthy lifestyle choices, achievable goals, and medications when necessary.
Membership and fees
One Medical is a membership-based primary care practice.
Education and credentials
Hospital and practice affiliations
Location
Patient reviews
a big instrument in my complete recovery
"a big instrument in my complete recovery"
Superb physician!
"Superb physician!"
patient and compassionate
"patient and compassionate"
takes the time to get to know her patients
"takes the time to get to know her patients"
extremely informed
"extremely informed"
always has a solution to your problems
"always has a solution to your problems"
I highly recommend her!
"She was knowledgeable about the condition and recommended a treatment plan. I will continue to rely on her expertise, and she was a pleasure to speak with."
Questions patients ask
Does Dr. O'Callahan take insurance, or offer a membership?
One Medical is a membership-based primary care practice that also works with insurance.
Where is Dr. O'Callahan's office?
Dr. O'Callahan practices at One Medical's Cobble Hill office in Brooklyn.
What ages does Dr. O'Callahan see?
She sees patients ages 14 and older.
Where did Dr. O'Callahan train?
She studied at Weill Cornell.
Does Dr. O'Callahan offer telehealth?
One Medical offers on-demand video calls and video visits.
Are you Dr. O'Callahan? Claim this profile for free. Report a correction.