Dr. William M. Klein, MD
Concierge Internal Medicine physician, Great Neck, NY
HealthBridgeDr. Klein is a concierge physician on the HealthBridge physician team, a membership concierge practice.
Facts on this page last checked October 2026. How we check doctors
Membership and fees
HealthBridge is a membership concierge practice paid by an annual fee.
Members get extended appointments, a concierge liaison, an annual executive physical, unlimited sessions with a registered dietitian and private access to the on-site fitness center.
Education and credentials
Hospital and practice affiliations
Location
Patient reviews
"Makes you feel respected as a patient during your visit."
"Approaches each patient with respect and dignity, treating me with kindness."
Maintains a calm and composed demeanor
"Maintains a calm and composed demeanor in challenging situations, reassuring me in times of stress."
The best doctor ever!!
"The best doctor ever!! My husband and I both love Dr. Klein. He is practical, does not "push" medications, and is very preventative."
Makes me feel at ease and cared for
"Excellent doctor! Compassionate, informed, and spends time making you feel at ease and cared for."
Questions patients ask
Does Dr. Klein take insurance, or offer a membership?
HealthBridge is a membership concierge practice paid by an annual fee. Many members use their insurance for outside labs, imaging or specialist visits.
Does Dr. Klein offer telehealth?
The practice offers telemedicine consultations.
Where is Dr. Klein's office?
Dr. Klein practices at HealthBridge Platinum Concierge.
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