Mary Carter Denny, MD| Neurology, Vascular Neurology | MedStar Health
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Mary Carter Denny

Mary Carter Denny, MD
Provider is directly employed by MedStar Health

5 out of 5 (423 reviews)

Specialties: Neurology, Vascular Neurology

Languages: English

410-354-5956

About me

Dr. M. Carter Denny is a vascular neurologist and clinician researcher at MedStar Health and Georgetown University in Washington, DC. She completed her MD and MPH degrees at Tulane University in 2010. She then completed her Neurology residency at MedStar Georgetown University Hospital in 2014. She then went on to complete a two-year Vascular Neurology fellowship at the UTHealth Houston in 2016.

Dr. Denny has experience providing acute stroke care in the field on the nation's first Mobile Stroke Unit and remotely using video-based telehealth technology. Dr. Denny's research interests include health equity, systems of care delivery, and transitions of care. Dr. Denny collaborated with colleagues at UTHealth Houston on the development of the Spanish-language stroke acronym RÁPIDO that is now endorsed by the American Heart Association/American Stroke Association. She leads the investigator-initiated STRIVE study (STroke Research Initiative to adVance Equity). She is the author of "Acute Stroke Care" (3rd edition) and several peer-reviewed manuscripts.

She is the recipient of the Leonard Tow Humanism in Medicine Society award and the MD/MPH award for excellence. She is a member of the Alpha Omega Alpha honor society. Dr. Denny enjoys yoga, hiking, and global travel. She speaks Spanish, which compliments both her medical practice and her love of travel.

Clinical areas of focus

  • Cerebral Vasospasm
  • Multiple Strokes
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Conditions and procedures

Conditions I treat

  • Aneurysm
  • Aphagia And Dysphagia
  • Aphasia
  • Arteriovenous Fistula Of The Brain
  • Arteriovenous Malformation (AVM)
  • Artery Blockage In The Brain
  • Brain Aneurysm
  • Brain Arteriovenous Malformation (AVM)
  • Cavernous Malformations
  • Cerebral Amyloid Angiopathy
  • Cerebral Aneurysm
  • Cerebral Vasculitis
  • Cerebral Vasospasm
  • Cerebrovascular Accident (CVA)
  • Cerebrovascular Diseases
  • Intracerebral Hemorrhage
  • Intracranial Aneurysm
  • Intracranial Atherosclerosis
  • Ischemic Stroke
  • Moyamoya
  • Moyamoya Disease
  • Multiple Strokes
  • PFO Related Stroke
  • Posterior Reversible Encephalopathy Syndrome (PRES)
  • Spastic Hemiparesis
  • Stroke In Young Adults
  • Subarachnoid Hemorrhage
  • Transient Cerebral Ischemic Attacks
  • Transient Ischemic Attack (TIA)
  • Vertebral Artery Stenosis
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Procedures I perform

  • Cervical And Cerebral Artery Dissection
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Practice locations

Distance from Change Location Enter your Location

3800 Reservoir Rd NW
Pasquerilla Healthcare Center 6th Fl
Washington, DC, 20007

202-295-0540
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miles away

Fax 410-354-5983

1133 21st St NW
Bldg 2 6th Fl
Washington, DC, 20036

202-295-0540
Get Directions

miles away

Fax 410-354-5983

3800 Reservoir Rd NW
Pasquerilla Healthcare Center 6th Fl
Washington, DC, 20007

202-295-0540
Get Directions

miles away

Fax 410-354-5983

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.

  • List of insurance plans we accept
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Cigna Health Care
    • Kaiser Permanente*
    • MedStar Select (Administered by CareFirst)
    • United HealthCare
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Healthspring
    • Humana
    • Medicare & Railroad Medicare
    • United HealthCare
    • Aetna Better Health of Maryland *
    • Medical Assistance/Medicaid
    • MedStar Family Choice MD
    • Priority Partners *
    • United HealthCare Community Health Plan MD
    • Wellpoint MD
    • AmeriHealth Caritas
    • Health Services For Children With Special Needs (HSCSN)
    • Medical Assistance/Medicaid
    • MedStar Family Choice DC
    • Johns Hopkins Employer Health Programs *
    • Johns Hopkins US Family Health Plan *
    • MultiPlan
    • Private Healthcare Systems
    • Tricare/Humana Military
    • VA Community Care Network (VACCN)

Education

Board Certification: American Board of Psychiatry & Neurology, Vascular Neurology

Board Certification: American Board of Psychiatry & Neurology, Neurology

Fellowship: University of Texas Health Science Center at Houston (2016)

Residency: Georgetown University School of Medicine GME (2014)

Internship: Tulane University Medical Center (2011)

Medical School: Tulane University School Public & Tropical Health (2010)

Awards

  • Leonard Tow Humanism in Medicine Society Award
  • MD/MPH Award for Excellence

News and publications

Dr. Denny is the author of Acute Stroke Care, 3rd edition, Cambridge University Press, January 2020, ISBN: 9781108731324

For a list of Dr. Denny's indexed publications please visit: https://www.ncbi.nlm.nih.gov/myncbi/1z9R7fhvzEzkQ/bibliography/public/

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    5
  • Extent to which the care provider listened to you

    5
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    5
  • Provider included you in decisions

    5
  • Concern the care provider showed for your questions or worries

    5
  • Likelihood of recommending this care provider to others

    4.9
  • May 1, 2026

    Great doctor care with knowledge and compassion! Have full confidence that I am in good hands with Dr Denny!

  • Apr 25, 2026

    Very professional and engaging. Good informative visit.

  • Apr 13, 2026

    Good Experience.