Megan Joy Zemrose, MPAS PA| Electrophysiology, Cardiology | MedStar Health
Megan Joy Zemrose

Megan Joy Zemrose, MPAS PA
Provider is directly employed by MedStar Health

4.9 out of 5 (69 reviews)

Specialties: Electrophysiology, Cardiology

Languages: English

Clinical areas of focus

  • Ablation For Atrial Fibrillation
  • Atrial Fibrillation Ablation
  • Atrial Flutter
  • Automated External Defibrillator
  • Cardiac Ablation
  • Cardiac Cachexia
  • Electrophysiology Study
  • Heart Block
  • Heart Pacemaker Implantation
  • Palpitations
  • Tachycardia
  • Ventricular Fibrillation
  • Ventricular Tachycardia
  • Ventricular Tachycardia Ablation
  • Watchman Device Implantation
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Conditions and procedures

Conditions I treat

  • Atrial Fibrillation
  • Atrial Flutter
  • Atrioventricular Block
  • Bradycardia
  • Brugada Syndrome
  • Bundle Branch Block
  • Cardiac Arrest
  • Cardiac Arrhythmias
  • Cardiac Cachexia
  • Cardiac Conduction Disorders
  • Cardiac Implantable Device Complications
  • Cardiac Prosthetic Device Malfunction
  • Cardiac Resynchronization Therapy
  • Catecholaminergic Polymorphic Ventricular Tachycardia
  • Complications Of Cardiac And Vascular Prosthetic Devices
  • Heart Block
  • Heart Racing
  • Implantable Defibrillator Complications
  • Implantable Defibrillator Maintenance
  • Long Qt Syndrome
  • Palpitations
  • Paroxysmal Supraventricular Tachycardia (PSVT)
  • Premature Ventricular Contractions
  • Short Qt Syndrome
  • Sick Sinus Syndrome
  • Supraventricular Tachycardia
  • Supraventricular Tachycardia (SVT)
  • Syncope
  • Tachycardia
  • Ventricular Fibrillation
  • Ventricular Tachycardia
  • Watchman Device Complications
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Procedures I perform

  • Ablation For Atrial Fibrillation
  • Atrial Fibrillation Ablation
  • Atrial Septal Defect Repair
  • Automated External Defibrillator
  • Cardiac Ablation
  • Cardiac Ablation For Ventricular Tachycardia
  • Cardiac Event Recorder
  • Cardiac Resynchronization Therapy
  • Cardioversion
  • Electrophysiology Study
  • Endometrial Extraction
  • Heart Failure Device Therapy
  • Heart Pacemaker Implantation
  • Holter Monitoring
  • Implantable Cardioverter-Defibrillator Lead Extraction
  • Maze Procedure For Atrial Fibrillation
  • Mep (MOTOR EVOKED POTENTIALS)
  • Pacemaker Placement
  • Pacemaker Pulse Generator Insertion
  • Pulmonary Vein Isolation
  • Ventricular Tachycardia Ablation
  • Watchman Device Implantation
  • Wireless Event Recorder Monitoring
  • Wolff-Parkinson-White (WPW) Syndrome Treatment
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Practice locations

Distance from Change LocationEnter your Location

163 Thomas Johnson Dr
Ste E
Frederick, MD, 21702

301-662-7550

Fax 301-696-2853

Get Directions

miles away

Fax 301-696-2853

1733 Howell Rd
Hagerstown, MD, 21742

301-877-5677

Fax 855-384-5344

Get Directions

miles away

Fax 855-384-5344

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

Education

Board Certification: National Commission on Certification of Physician Assistants

Graduate: South University (2013)

Hospital affiliations

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

    4.9
  • 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

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Dec 18, 2025

    Very good experience. I felt I was in good hands.

  • Dec 17, 2025

    Megan was excellent. She explained everything & made sure I understood it.

  • Dec 1, 2022

    Good.