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

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

4.8 out of 5 (1665 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
  • 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 Access
  • Dialysis Graft Placement
  • Endovascular Aortic Repair
  • Endovascular Repair Of Femoral Artery
  • Endovascular Treatment
  • Endovascular Treatment Of Aortic Aneurysm
  • Endovenous Laser Ablation Of Varicose Veins
  • Hemodialysis Access Angioplasty
  • Iliopopliteal Bypass
  • Inferior Vena Cava Filter Insertion
  • Inferior Vena Cava Filter Removal
  • Inferior Vena Cava Filter Retrieval
  • Limb Salvage
  • Lower Extremity Bypass
  • May-Thurner Syndrome Treatment
  • Mesenteric Angiography
  • Mesenteric Artery Stenting
  • Mesenteric Revascularization
  • Minimally Invasive Surgery
  • Percutaneous Sclerotherapy Of Varicose Veins
  • Peripheral Artery Stenting
  • Popliteal Artery Entrapment Syndrome Treatment
  • Renal Artery Stenting
  • Revascularization, Endovascular, Tibial, Peroneal Artery
  • Sclerotherapy Of Varicose Veins
  • Splenic Artery Ligation
  • Stenting Of Arterial Stenosis
  • Thoracic Endovascular Aortic Repair
  • 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

2002 Medical Pkwy
Ste 500
Annapolis, MD, 21401

410-573-6480

Fax 410-573-9413

Get Directions

miles away

Fax 410-573-9413

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

Videos

Education

Fellowship: Vanderbilt University Hospital (2000)

Fellowship: Vanderbilt University Hospital (1999)

Residency: Vanderbilt University Hospital (1999)

Medical Education: 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
  • Apr 30, 2026

    Alll good.

  • Apr 2, 2026

    Good

  • Mar 15, 2026

    Very appreciative of Dr Peeler's having seen me earlier than usual due to my concerns with an upcoming procedure. I always enjoy seeing Dr. Peeler and certainly value his advice.