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Dr. Marshall Leonard, MD

Emergency Medicine* Age 43
Dr. Marshall Leonard, MD
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Dr. Marshall Leonard, MD is an Emergency Medicine Specialist in Stony Brook, NY.
Dr. Marshall Leonard, MD
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Dr. Marshall Leonard, MD

Emergency Medicine* Age 43
Stony Brook, NY
Call for new patient details
Dr. Marshall Leonard, MD is an Emergency Medicine Specialist in Stony Brook, NY.

About

Dr. Marshall Leonard, MD is an Emergency Medicine Specialist in Stony Brook, NY. Dr. Leonard currently practices at Practice and are affiliated with Stony Brook University Hospital. Dr. Leonard's office is not accepting new patients. Dr. Leonard is board certified in Emergency Medicine.

Experience Check

Enter a condition or procedure
Shortness of Breath
Chest Pain
Respiratory Failure
Shortness of Breath
Chest Pain
Respiratory Failure
Shortness of Breath
Chest Pain
Respiratory Failure
Dehydration
Alcohol Withdrawal
Asphyxia and Hypoxemia
Autonomic Dysreflexia
Broken Nose
Burn Injuries
Collapsed Lung (Pneumothorax)
Diabetic Ketoacidosis
Drug Withdrawal
Embolism
  • View other providers who treat Embolism
Facial Fracture
Heart Attack (Acute Myocardial Infarction)
Humerus Fracture
Maxillary and Malar Fractures
Opioid Withdrawal
Pleural Effusion
Rhabdomyolysis
Third-Degree Burns
Ventricular Tachycardia (VT)
Detoxification Evaluation
Thoracentesis

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • MVP Health Plan EPO
  • Fidelis Care

Locations

  1. 1 Stony Brook University Hospital
    101 Nicolls Rd, Stony Brook, NY 11794
    Icon Directions Right Arrow Directions Phone Icon (631) 444-3880
  2. 2 Office
    100 Nicolls Rd Rm 0, Stony Brook, NY 11794
    Icon Directions Right Arrow Directions Phone Icon (631) 444-2478
  3. 3 North Shore University Hospital
    300 Community Dr, Manhasset, NY 11030
    Icon Directions Right Arrow Directions Phone Icon (516) 562-1238

Patient Satisfaction

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Dr. Leonard's Office & Staff

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Experience with Dr. Leonard

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Emergency Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Board Certifications

Board Certifications
  • Emergency Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Marshall Leonard, MD. To arrange an appointment, call the number on Dr. Leonard's profile.

Dr. Marshall Leonard, MD is affiliated with Stony Brook University Hospital.

Yes, Dr. Marshall Leonard, MD holds board certification in Emergency Medicine.

Hospital Affiliations

  • Stony Brook University Hospital

    101 Nicolls Rd, Stony Brook, NY