Mark Steven Gosnell, MD| Critical Care Medicine, Pulmonary Medicine | MedStar Health
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Mark Steven Gosnell

Mark Steven Gosnell, MD
Provider is directly employed by MedStar Health

4.8 out of 5 (322 reviews)

Specialties: Critical Care Medicine, Pulmonary Medicine, Sleep Medicine, Pulmonary Disease

Languages: English

410-553-0986

About me

As a Board Certified/Board eligible critical care physician, all conditions requiring intensive care in the medical, surgical, or neurosciences ICU are treated.

Conditions and procedures

Conditions I treat

  • Asthma
  • Chronic Cough
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Circadian Rhythm Disorder
  • Delayed Sleep Phase Syndrome
  • Dyspnea
  • Emphysema
  • Hypoxia
  • Narcolepsy
  • Pneumonia
  • Pneumothorax
  • Pulmonary Embolism
  • Rem Sleep Behavior Disorder
  • Sleep Disorders
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Procedures I perform

  • Advanced Sleep Phase Syndrome Treatment
  • Bronchoscopy
  • Continuous Positive Airway Pressure
  • Delayed Sleep Phase Syndrome Treatment
  • Home Sleep Apnea Test
  • Hypoglossal Nerve Stimulation
  • Idiopathic Hypersomnia Treatment
  • Lung Cancer Screening
  • Polysomnography
  • Shift Work Sleep Disorder Treatment
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Practice locations

Distance from Change LocationEnter your Location

9103 Franklin Square Dr
Ste 300
Baltimore, MD, 21237

410-682-5282

Fax 410-682-5286

Get Directions

miles away

Fax 410-682-5286

808 Landmark Dr
Ste 116
Glen Burnie, MD, 21061

410-256-2524
Get Directions

miles away

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

Education

Fellowship: University of Maryland Medicine GME (2003)

Residency: Virginia Commonwealth University Health System (2000)

Medical School: Drexel University (1997)

Ratings and reviews

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

    4.9
  • Extent to which the care provider listened to you

    4.8
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Provider included you in decisions

    4.8
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.8
  • Mar 4, 2026

    Good

  • Feb 16, 2026

    Dr. Gosnell was amazing. Very attentive, listened to my symptoms and answered my questions. He gave me a rundown of my sleep results and what my treatment options were. Wonderful.

  • Feb 3, 2026

    Dr. Gosnell and his staff are awesome. They are very attentive to you. They take their time and listen to all your concerns and answer all your questions about your illness and how they can help. Thank you Dr. Gosnell