Skip to main content
Mark Johnston, MD, Geriatrics, Bronx, NY

MarkRJohnstonMD

Geriatrics Bronx, NY

Physician

Dr. Johnston is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Johnston's full profile

Already have an account?

  • Office

    1775 Grand Concourse
    Bronx, NY 10453
    Phone+1 718-618-0401
    Fax+1 718-795-4394

Education & Training

  • University at Buffalo
    University at BuffaloResidency, Family Medicine, 1982 - 1984
  • Institute for Family Health (Harlem)
    Institute for Family Health (Harlem)Internship, Family Medicine, 1981 - 1981
  • Northwestern University The Feinberg School of Medicine
    Northwestern University The Feinberg School of MedicineClass of 1980

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1982 - 2022

Press Mentions

  • Gene May Link Diabetes and Alzheimer's
    Gene May Link Diabetes and Alzheimer'sJune 14th, 2012