Mark O'Brien Peeler, MD| Vascular Surgery | MedStar Health
Mark O'Brien Peeler

Mark O'Brien Peeler, MD
Provider is directly employed by MedStar Health

4.8 out of 5 (1581 reviews)

Specialties: Vascular Surgery

Languages: English

(410) 573-5981

About me

Dr Peeler is a second-generation Annapolis physician who has practiced vascular surgery in Annapolis since 2000. He has extensive training and experience in open and endovascular techniques for treating most peripheral vascular pathologies. His primary focus is the treatment of peripheral arterial occlusive and aneurismal disease.

Dr. Peeler treats each patient with an individualized approach that leads to the greatest benefit, least risk, and most durable outcome to relieve the patient’s problem.

Clinical areas of focus

  • Carotid Artery Stenting
  • Minimally Invasive Surgery
  • Percutaneous Sclerotherapy Of Varicose Veins
  • Stent Placement
  • Varicose Vein Stripping
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Procedures I perform

  • Abdominal Aortic Aneurysm Repair
  • Aortic Dissection Repair
  • Aortography
  • Arteriovenous Anastomosis
  • Arteriovenous Fistula Revision
  • Atherectomy
  • Balloon Angioplasty
  • Bypass Graft
  • Carotid Artery Aneurysm Repair
  • Carotid Artery Angioplasty
  • Carotid Artery Stenting
  • Carotid Endarterectomy
  • Carotid Stenting
  • Deep Vein Thrombosis (DVT)
  • Dialysis
  • Dialysis Access
  • Dialysis Graft Placement
  • Endovascular Aortic Repair
  • Endovascular Repair Of Femoral Artery
  • Endovascular Treatment
  • Endovenous Laser Ablation Of Varicose Veins
  • Iliopopliteal Bypass
  • Inferior Vena Cava Filter Insertion
  • Inferior Vena Cava Filter Removal
  • Inferior Vena Cava Filter Retrieval
  • Limb Salvage
  • May-Thurner Syndrome Treatment
  • Mesenteric Angiography
  • Mesenteric Artery Stenting
  • Minimally Invasive Surgery
  • Percutaneous Sclerotherapy Of Varicose Veins
  • Popliteal Artery Entrapment Syndrome Treatment
  • Renal Artery Stenting
  • Sclerotherapy Of Varicose Veins
  • Splenic Artery Ligation
  • Stent Placement
  • Stenting Of Arterial Stenosis
  • Thoracic Endovascular Aortic Repair
  • Thoracic Outlet Decompression
  • Thromboendarterectomy
  • Transluminal Balloon Angioplasty
  • Varicose Vein Stripping
  • Vascular Access Device Care
  • Vascular Embolization
  • Vascular Stenting
  • Vein Sclerotherapy
  • Vena Cava Filter Insertion
  • Vena Cava Filter Retrieval
  • Venous Stasis Ulcer Treatment
  • Vertebral Artery Stenting
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Practice locations

Distance from Change LocationEnter your Location

4175 N Hanson Ct
Ste 100
Bowie, MD, 20716

301-809-6880

Fax 301-805-4233

Get Directions

miles away

Fax 301-805-4233

1630 Main St
Ste 208
Chester, MD, 21619

410-643-3186

Fax 410-643-4098

Get Directions

miles away

Fax 410-643-4098

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

Videos

Education

Board Certification: American Board of Surgery, Vascular Surgery

Fellowship Program: Vanderbilt University Hospital (2000)

Residency Program: Vanderbilt University Hospital (1999)

Fellowship Program: Vanderbilt University Hospital (1999)

Medical School: Johns Hopkins University School of Medicine (1992)

Ratings and reviews

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

    4.8
  • 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
  • Nov 11, 2025

    Dr. Peeler was very nice and quite friendly Thank you

  • Oct 21, 2025

    Dr. Peeler was very concerned about my health and answered all of my questions in a manner we could understand.

  • Oct 15, 2025

    Dr. Peeler is the best!