Mary Carter Denny, MD| Vascular Neurology, 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 (418 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
  • 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 7th Fl Dept Neurology
Washington, DC, 20007

202-444-8532
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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
    • Amerigroup DC Healthy Families
    • Kaiser Permanente Signature - Added Choice
    • CareFirst Maryland Indemnity or PPO
    • Johns Hopkins Advantage MD PLUS PPO
    • Mamsi Life & Health (Indem./PPO)
    • UnitedHealthcare and AARP Medicare Complete Plans
    • Choice POS II
    • NYC Medicare Advantage Plus
    • Aetna Elect Choice/ Open Access (POS)
    • CareFirst NASCO
    • IH-Open Network Only Plus
    • M.D. IPA (HMO)
    • IH-Open HMO Option
    • Beech Street PPO
    • Anthem BCBS Medi Blue Plus
    • United Healthcare Community Plan - VA Medicaid MCO
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • CareFirst BlueChoice HMO
    • CIGNA SureFit (HMO)
    • United Healthcare Options (PPO)
    • Optimum Choice
    • UnitedHealthcare Individual Exchange Plans
    • TriWest Healthcare Alliance
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • United Healthcare Choice
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • IH-Network Only Plus
    • BlueChoice Open Access
    • M.D. IPA Preferred (POS)
    • IH-POS
    • IH-Open POS II
    • Advantra Platinum (PPO)
    • United Medicare Private Fee-for-Service (PFFS) plans
    • CIGNA HMO Open Access
    • United Healthcare Select Plus (POS)
    • Magellan Complete Care of VA - VA Medicaid MCO
    • HighMark
    • Aetna Managed Choice (POS)
    • Anthem BCBS of VA HealthKeepers Plus
    • Aetna Signature Administrator PPO/TPA
    • HumanaChoice PPO
    • Johns Hopkins Advantage MD PPO
    • Maryland Physicians Care MCO
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • Anthem BCBS of VA HealthKeepers (HMO)
    • CareFirst FEP Blue Focus
    • United HealthCare Community Plan - Maryland Health Choice Program
    • Medicare FFS
    • United Healthcare Navigate Cardiac Global
    • Aetna HMO
    • AmeriHealth Caritas DC Healthy Families
    • CareFirst Blue Choice Opt Out Open Access
    • Choice Fund PPO
    • Aetna Classic 5000
    • IH-Open POS Plus
    • CareFirst Dual Prime HMO-SNP
    • Choice POS II Open Access
    • Coventry Health Care of Virginia
    • Jai Medical Systems - Maryland Health Choice
    • United Healthcare Choice Plus
    • Aetna Medicare Advantage HMO & PPO Plans
    • HealthyBlue PPO
    • OA Plus
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • Aetna Classic 5000PD
    • Erickson Advantage Plans
    • Options PPO Cardiac Global
    • Anthem Federal Employee Program Standard
    • CIGNA Connect EPO
    • Cigna Preferred Medicare (HMO)
    • Kaiser Permanente Select - Added Choice
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • Aetna Quality Point of Service (POS)
    • IH-Indemnity
    • CIGNA PPO
    • Kaiser Permanente Select
    • Navigate
    • First Health PPO
    • DC/MD SHOP QHP Small Business Plans
    • United Healthcare Select HMO - EPO/NPP
    • CareFirst EPO
    • Health Services for Children with Special Needs
    • Priority Partners - Maryland Health Choice
    • CareFirst Community Health Plan of MD
    • POS OA
    • Kaiser Permanente Select Cardiac Global
    • Choice Care Network/HUMANA (PPO)
    • Coventry Health Care National Network PPO
    • CIGNA EPO
    • Cigna Alliance Medicare (HMO)
    • TRICARE for Life East
    • MedStar Family Choice DC Healthy Families
    • United Student Resources
    • Aetna Traditional Choice (PPO)
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • Aetna Advantage 6350
    • Aetna Classic 3500
    • Lasso Healthcare - Medicare Medical Savings Account
    • Anthem BCBS Medi Blue Dual Adv
    • TRICARE East Prime
    • IH-HMO
    • MedStar Family Choice - Maryland Health Choice
    • Network OA
    • Aetna Managed Choice Open Access (POS)
    • Kaiser Permanente Medicare Plus
    • Cigna True Choice Plus Medicare (PPO)
    • IH-POS Plus
    • First Health PPO
    • Cigna True Choice Medicare (PPO)
    • Humana Medicare Advantage - PPO
    • Private Health Care Systems (PPO)
    • Employee Health Plan
    • CareFirst (NCA) Indemnity
    • CareFirst Administrators
    • Aetna Open Choice (PPO)
    • MultiPlan, Inc
    • Johns Hopkins Advantage MD HMO
    • IH-Open HMO
    • CareFirst MedStar PPO
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • AmeriHealth Caritas DC Healthcare Alliance
    • Great-West Healthcare POS/CIGNA
    • IH-EPO Plus
    • AMERIVANTAGE/Amerigroup Community Care
    • CareFirst Maryland Point of Service Plan
    • Aetna Advantage 5750
    • CIGNA Indemnity
    • OCI Direct (HMO)
    • Alterwood Advanatge HMO & DSNP Plans
    • Aetna Better Health of VA
    • Select HMO/HealthFund/Health Network
    • IH-PPO
    • Healthy Blue (HMO, POS)
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • Uniformed Services Family Health Plan
    • Amerigroup DC Alliance
    • Anthem Federal Employee Program Basic
    • CareFirst Group Medicare Advantage
    • HumanaChoice Honor's plan PPO
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • Cigna Achieve Medicare (HMO C-SNP)
    • Sentara Health
    • Kaiser Permanente Signature
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • Core Essential (HMO)
    • Tricare Reserve Select
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Blue Choice Advantage
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • Humana Gold Plus HMO
    • Coventry of Delaware HMO/PPO
    • Humana Medicare Advantage - HMO Open Access
    • Kaiser Permanente Flexible Choice 3-tier POS
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • UHC Passport
    • Aetna Advantage 6350PD
    • CareFirst MedStar Select PPO
    • Aetna Basic
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • United Healthcare Choice Cardiac Global
    • Aetna Student Health Insurance
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • Kaiser Permanente Medicare Advantage Signature and Select
    • Choice POS
    • Police and Fire Clinic
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • Kaiser Maryland Medicaid MCO
    • Aetna VA Exchange
    • CIGNA POS/Network POS
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • Medicare Advantage - Advantra Value (PPO)
    • Aetna Better Health of MD
    • Veterans Affairs Community Care Network
    • Private Fee-for-Service Plans (PFFS)
    • WellPoint Maryland - Maryland Health Choice
    • Aetna Premier 200PD
    • CareFirst Blue Card Program
    • CIGNA HMO & Network (HMO)
    • Cigna TotalCare (HMO D-SNP)
    • Anthem BCBS Medi Blue SNP
    • United Healthcare Choice Plus Cardiac Global
    • CIGNA PPO Plus
    • TRICARE East Select
    • CareFirst Blue Preferred PPO
    • MedStar Family Choice DC Healthcare Alliance
    • Optimum Choice Preferred (POS)
    • Optima Family Care MCO - VA Medicaid MCO
    • Geisinger Medicare Advantage
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Aetna Worker's Compensation Network
    • Aetna Medicare Advantage PFFS Plan
    • Medicare Direct
    • IH-Open EPO Plus

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.