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

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

4.9 out of 5 (75 reviews)

Specialties: Cardiology, Electrophysiology

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

1733 Howell Rd
Hagerstown, MD, 21742

703-208-7257

Fax 855-374-5342

Get Directions

miles away

Fax 855-374-5342

163 Thomas Johnson Dr
Ste E
Frederick, MD, 21702

202-877-7685

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

Education

Board Certification: National Commission on Certification of Physician Assistants, 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
  • Apr 28, 2026

    Megan was the one I saw for follow-up to a pacemaker generator replacement, and she was fantastic!

  • Jan 18, 2026

    Once Again: SUPERIOR.Megan Z was Superior!

  • Jan 13, 2026

    Care provider was EXCELLENT.