Megan Joy Zemrose, MPAS PA| Electrophysiology, Cardiology | 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 (76 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
  • Implantable Loop Recorder
  • 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

202-877-7685

Fax 855-384-5344

Get Directions

miles away

Fax 855-384-5344

1733 Howell Rd
Hagerstown, MD, 21742

703-208-7257

Fax 855-374-5342

Get Directions

miles away

Fax 855-374-5342

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

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.