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Dr. Mary Hahn, MD

Dr. Mary Hahn, MD

Vascular Neurology*

Dr. Mary Hahn, MD is a vascular neurologist in Lake Grove, NY. She is affiliated with Stony Brook University Hospital.

Practice

4 Smith Haven Mall Ste 105 Lake Grove, NY 11755
(631) 444-2599

At a Glance

  • Areas of Expertise
    Dr. Hahn specializes in the areas of Neurology & Vascular Neurology. • See board certifications
  • Practices at Top Hospital
    America’s 100 Best Hospitals for Stroke Care Award™ • See hospitals
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Dr. Hahn's Reviews

Know Before You Go

About Me

biography

Dr. Mary Hahn, MD is a vascular neurologist in Lake Grove, NY. She is affiliated with Stony Brook University Hospital.

  • Vascular Neurology

  • Neurology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • State University Of New York Downstate Health Sciences University College Of Medicine

    Medical School
American Board of Medical Specialties®
American Board of Psychiatry & Neurology®
- 
Neurology
- 
Vascular Neurology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

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.

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Locations

Practice

Stony Brook Advanced Specialty Care-Neurology4 Smith Haven Mall Ste 105 Lake Grove, NY 11755
1
Stony Brook University Medical Center100 Nicolls Rd Stony Brook, NY 11794
2
St. Catherine of Siena Diagnostic Imaging500 Commack Rd Commack, NY 11725
3

Practice

Stony Brook University Hospital101 Nicolls Rd Stony Brook, NY 11794
4

Affiliated Hospitals

  • Stony Brook University Hospital

    101 Nicolls Rd
    Stony Brook, NY 11794
    Recipient of 33
    hospital awards

    America’s 100 Best Hospitals for Stroke Care Award™ (2025, 2024, 2023)

    Superior clinical outcomes in the care and treatment of stroke

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Superior clinical outcomes in the care and treatment of stroke

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    74%
    Patients said that doctors always listened to them and explained things well

    2% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality