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

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

5 out of 5 (395 reviews)

Specialties: Vascular Neurology, 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
  • Migraine
  • Multiple Sclerosis
  • Multiple Strokes
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Conditions and procedures

Conditions I treat

  • Abnormal Movements
  • Alzheimer's Disease
  • Amyotrophic Lateral Sclerosis (ALS)
  • Aneurysm
  • Aphagia And Dysphagia
  • Aphasia
  • Arteriovenous Fistula Of The Brain
  • Arteriovenous Malformation (AVM)
  • Artery Blockage In The Brain
  • Autonomic Nervous System Disorder
  • Benign Essential Tremor
  • Benign Neoplasm Of Brain And Central Nervous System
  • Binocular Movement Disorders
  • Brain Aneurysm
  • Brain Arteriovenous Malformation (AVM)
  • Brain Disorders
  • Cerebral Amyloid Angiopathy
  • Cerebral Palsy
  • Cerebral Vasospasm
  • Cerebrovascular Accident (CVA)
  • Cerebrovascular Diseases
  • Cognitive Function Disorders
  • Confusion
  • Convulsions
  • Cranial Nerve Disorder
  • Degenerative Diseases Of Basal Ganglia
  • Degenerative Diseases Of Nervous System
  • Dementia
  • Dystonia
  • Epilepsy And Seizures
  • Extrapyramidal And Movement Disorders
  • Facial Nerve Disorder
  • Falls And Gait Disorders
  • Gait And Balance Problems
  • General Sensations And Perceptions
  • Head Injury
  • Headache
  • Huntington's Disease
  • Hydrocephalus
  • Idiopathic Neuropathy
  • Intracerebral Hemorrhage
  • Intracranial Aneurysm
  • Intracranial Hypertension
  • Ischemic Stroke
  • Lack Of Coordination
  • Migraine
  • Migraine With Aura
  • Mononeuropathy Of Lower Limb
  • Moyamoya
  • Moyamoya Disease
  • Multiple Sclerosis
  • Multiple Strokes
  • Myopathies
  • Neck Nerve And Spinal Cord Injury
  • Nervous And Musculoskeletal Symptoms
  • Nervous System Disorders
  • Neurodegeneration
  • Neurodevelopmental Disorders
  • Neuropathic Pain
  • Normal Pressure Hydrocephalus
  • Numbness
  • Ocular Myasthenia Gravis
  • Parkinson's Disease
  • Partial Seizures
  • Posterior Reversible Encephalopathy Syndrome (PRES)
  • Rett Syndrome
  • Secondary Parkinsonism
  • Sensory Neuropathy
  • Spastic Hemiparesis
  • Stroke In Young Adults
  • Supranuclear Palsy
  • Transient Cerebral Ischemic Attacks
  • Transient Ischemic Attack (TIA)
  • Unsteady Walking
  • Vestibular Disorders
  • Visceral Artery Aneurysm
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Practice locations

Distance from Change LocationEnter your Location

3800 Reservoir Rd NW
Pasquerilla Healthcare Center 7th Fl Dept Neurology
Washington, DC, 20007

202-444-8532

Fax 410-354-5956

Get Directions

miles away

Fax 410-354-5956

Insurance

MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.

  • List of insurance plans we accept
    • Tricare Reserve Select
    • Aetna Worker's Compensation Network
    • IH-EPO Plus
    • United Medicare Private Fee-for-Service (PFFS) plans
    • Choice Fund PPO
    • IH-Open EPO Plus
    • United Healthcare Choice Plus
    • CIGNA SureFit (HMO)
    • Private Fee-for-Service Plans (PFFS)
    • United Healthcare Choice Cardiac Global
    • CIGNA POS/Network POS
    • Choice POS II
    • Options PPO Cardiac Global
    • CareFirst Blue Card Program
    • Kaiser Permanente Select Cardiac Global
    • IH-Open Network Only Plus
    • IH-Indemnity
    • Aetna Elect Choice/ Open Access (POS)
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • TRICARE East Select
    • United Healthcare Options (PPO)
    • Aetna Quality Point of Service (POS)
    • Cigna Preferred Medicare (HMO)
    • Aetna Premier 200PD
    • IH-Open POS Plus
    • Beech Street PPO
    • Aetna Advantage 6350PD
    • Aetna Classic 3500
    • United Healthcare Navigate Cardiac Global
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • Uniformed Services Family Health Plan
    • Police and Fire Clinic
    • United Healthcare Select HMO - EPO/NPP
    • NYC Medicare Advantage Plus
    • OA Plus
    • Cigna Achieve Medicare (HMO C-SNP)
    • Navigate
    • AMERIVANTAGE/Amerigroup Community Care
    • Aetna Advantage 5750
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • CIGNA HMO Open Access
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • Humana Gold Plus HMO
    • MultiPlan, Inc
    • Coventry Health Care of Virginia
    • Great-West Healthcare POS/CIGNA
    • CareFirst BlueChoice HMO
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • CareFirst NASCO
    • WellPoint Maryland - Maryland Health Choice
    • IH-PPO
    • Priority Partners - Maryland Health Choice
    • CareFirst Maryland Indemnity or PPO
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • United Healthcare Select Plus (POS)
    • Humana Medicare Advantage - HMO Open Access
    • Aetna Medicare Advantage HMO & PPO Plans
    • UnitedHealthcare Individual Exchange Plans
    • Optima Family Care MCO - VA Medicaid MCO
    • Network OA
    • Kaiser Permanente Medicare Advantage Signature and Select
    • Maryland Physicians Care MCO
    • MedStar Family Choice - Maryland Health Choice
    • Anthem BCBS of VA HealthKeepers (HMO)
    • Johns Hopkins Advantage MD HMO
    • Anthem Federal Employee Program Standard
    • Health Services for Children with Special Needs
    • Choice POS II Open Access
    • Blue Choice Advantage
    • Kaiser Maryland Medicaid MCO
    • Sentara Health
    • Anthem Federal Employee Program Basic
    • CareFirst Blue Choice Opt Out Open Access
    • Select HMO/HealthFund/Health Network
    • CIGNA EPO
    • IH-Open HMO Option
    • Kaiser Permanente Medicare Plus
    • TRICARE for Life East
    • IH-Open POS II
    • Choice Care Network/HUMANA (PPO)
    • Aetna Basic
    • CareFirst EPO
    • Alterwood Advanatge HMO & DSNP Plans
    • Johns Hopkins Advantage MD PLUS PPO
    • CareFirst (NCA) Indemnity
    • Kaiser Permanente Select - Added Choice
    • Erickson Advantage Plans
    • UnitedHealthcare and AARP Medicare Complete Plans
    • Aetna Managed Choice (POS)
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • CareFirst Dual Prime HMO-SNP
    • Aetna Advantage 6350
    • HealthyBlue PPO
    • Aetna Classic 5000
    • Advantra Platinum (PPO)
    • HighMark
    • CIGNA PPO Plus
    • Kaiser Permanente Flexible Choice 3-tier POS
    • Kaiser Permanente Select
    • CareFirst Blue Preferred PPO
    • Aetna VA Exchange
    • Cigna Alliance Medicare (HMO)
    • CareFirst Group Medicare Advantage
    • United Healthcare Community Plan - VA Medicaid MCO
    • Anthem BCBS Medi Blue SNP
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • Kaiser Permanente Signature
    • Kaiser Permanente Signature - Added Choice
    • Medicare Advantage - Advantra Value (PPO)
    • HumanaChoice Honor's plan PPO
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Coventry of Delaware HMO/PPO
    • Aetna Classic 5000PD
    • United HealthCare Community Plan - Maryland Health Choice Program
    • Cigna True Choice Medicare (PPO)
    • Aetna HMO
    • Aetna Student Health Insurance
    • AmeriHealth Caritas DC Healthcare Alliance
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • CareFirst FEP Blue Focus
    • IH-HMO
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • DC/MD SHOP QHP Small Business Plans
    • BlueChoice Open Access
    • CIGNA PPO
    • Jai Medical Systems - Maryland Health Choice
    • Anthem BCBS Medi Blue Plus
    • TriWest Healthcare Alliance
    • Amerigroup DC Alliance
    • Cigna TotalCare (HMO D-SNP)
    • Aetna Signature Administrator PPO/TPA
    • CIGNA HMO & Network (HMO)
    • IH-Network Only Plus
    • Optimum Choice Preferred (POS)
    • Veterans Affairs Community Care Network
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • IH-POS
    • CIGNA Connect EPO
    • United Healthcare Choice
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Cigna True Choice Plus Medicare (PPO)
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • IH-Open HMO
    • CareFirst MedStar Select PPO
    • Medicare Direct
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • TRICARE East Prime
    • M.D. IPA (HMO)
    • POS OA
    • United Student Resources
    • OCI Direct (HMO)
    • Lasso Healthcare - Medicare Medical Savings Account
    • Aetna Better Health of MD
    • CIGNA Indemnity
    • IH-POS Plus
    • Private Health Care Systems (PPO)
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • First Health PPO
    • First Health PPO
    • AmeriHealth Caritas DC Healthy Families
    • Anthem BCBS Medi Blue Dual Adv
    • UHC Passport
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • MedStar Family Choice DC Healthcare Alliance
    • United Healthcare Choice Plus Cardiac Global
    • Aetna Better Health of VA
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • CareFirst MedStar PPO
    • Employee Health Plan
    • Aetna Managed Choice Open Access (POS)
    • Medicare FFS
    • Geisinger Medicare Advantage
    • Choice POS
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • Amerigroup DC Healthy Families
    • CareFirst Administrators
    • HumanaChoice PPO
    • Humana Medicare Advantage - PPO
    • Aetna Open Choice (PPO)
    • Aetna Traditional Choice (PPO)
    • Aetna Medicare Advantage PFFS Plan
    • MedStar Family Choice DC Healthy Families
    • CareFirst Community Health Plan of MD
    • Core Essential (HMO)
    • Optimum Choice
    • Magellan Complete Care of VA - VA Medicaid MCO
    • Anthem BCBS of VA HealthKeepers Plus
    • Coventry Health Care National Network PPO
    • M.D. IPA Preferred (POS)
    • Johns Hopkins Advantage MD PPO
    • Mamsi Life & Health (Indem./PPO)
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • Healthy Blue (HMO, POS)
    • CareFirst Maryland Point of Service Plan
    • Kaiser Permaenete Signature - Added Choice Cardiac Global

Videos

Education

Board Certification: American Board of Psychiatry and Neurology, Psychiatry and 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)

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
  • Dec 15, 2025

    Dr. Denny was simply excellent - Could not hope for better experience - Thank you -

  • Oct 23, 2025

    Dr. Denny is excellent.

  • Oct 8, 2025

    Dr. Denny is warm, caring and smart. Love her.