Bruce R Knolmayer, MD| Orthopedic Surgery | MedStar Health
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Bruce R Knolmayer

Bruce R Knolmayer, MD
Provider is directly employed by MedStar Health

5 out of 5 (2457 reviews)

Specialties: Orthopedic Surgery

Languages: English

301-774-8959

About me

Dr. Knolmayer is the Chief of Orthopaedics at our MedStar Montgomery Medical Center location. He is a board certified orthopaedic surgeon who specializes in joint replacement and sports medicine, but also performs other general orthopaedic surgeries. He attended Cornell University as an undergraduate, graduating with distinction, and attended Georgetown University Medical School, graduating cum laude. He completed his orthopaedic residency at Georgetown Hospital in 1997.

Dr. Knolmayer started in private practice in 1997 and joined Medstar Georgetown Orthopaedics in February 2011. He has participated on numerous committees at MedStar Montgomery Medical Center and has also served as Chairman of the Department of Surgery in the past. Dr. Knolmayer has also served the community as team doctor for Watkins Mill High School football team from 1997-2010.  He also has been voted a Top Doc in the Washingtonian and Bethesda magazines.

Clinical areas of focus

  • Ankle And Foot Ligament Sprain
  • Ankle Fracture Treatment
  • Heel Tendon Repair
  • Hip Osteoarthritis
  • Knee Arthroscopy With Meniscectomy
  • Knee Pain
  • Knee Replacement
  • Knee Revision Surgery
  • Meniscus Injury Treatment
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Conditions and procedures

Conditions I treat

  • Acl Tear
  • Ankle And Foot Fracture
  • Ankle And Foot Injury
  • Ankle And Foot Ligament Sprain
  • Arthropathy
  • Bone Disorders
  • Bursitis Of Knee
  • Bursopathy
  • Cartilage Damage
  • Cartilage Disorder
  • Complications Of Joint Replacement
  • Elbow And Forearm Injury
  • Enthesopathy Of Lower Limb
  • Femur Shaft Fracture
  • Forearm Fracture
  • Hand And Wrist Fracture
  • Hip And Thigh Tendon Injury
  • Hip Fracture
  • Hip Joint Dislocation
  • Hip Osteoarthritis
  • Hip Pain
  • Joint Derangement Of Knee
  • Joint Disorder
  • Joint Infection (SEPTIC ARTHRITIS)
  • Joint Sprain
  • Knee Dislocation
  • Knee Fracture
  • Knee Joint And Ligament Sprain
  • Knee Pain
  • Lcl Injury
  • Lower Leg And Ankle Fracture
  • Lower Leg Injury
  • Muscle Calcification And Ossification
  • Muscle Disorders
  • Muscle Strain
  • Orthopedic Aftercare
  • Orthopedic Implant Complications
  • Osteoarthritis
  • Osteoarthritis Pain
  • Osteonecrosis
  • Patella Tracking Disorder
  • Presence Of Functional Implants
  • Rheumatoid Arthritis
  • Shoulder And Upper Arm Muscle, Fascia, And Tendon Injury
  • Shoulder And Upper Arm Tendon Injury
  • Shoulder Arthritis
  • Shoulder Dislocation
  • Shoulder Fracture
  • Shoulder Joint And Ligament Sprain
  • Stress Fracture
  • Superficial Knee Injury
  • Synovium And Tendon Disorder
  • Tendinitis
  • Tendinous Disorders
  • Tendonitis Of The Shoulder
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Procedures I perform

  • Achilles Tendon Rupture Treatment
  • Ankle Arthroscopy
  • Ankle Fracture Treatment
  • Ankle Joint Replacement
  • Arthrocentesis
  • Arthrodesis Of Ankle
  • Arthroplasty
  • Arthroscopic Loose Body Removal
  • Arthroscopic Surgery
  • Arthroscopy With Chondroplasty
  • Bone Graft
  • Bone Repair
  • Closed Clavicular Fracture Treatment
  • Closed Femoral Fracture Treatment
  • Closed Fibular Fracture Treatment
  • Closed Patellar Fracture Treatment
  • Closed Treatment Of Femoral Fracture Without Manipulation
  • Femoral Nerve Transfer
  • Femur Fracture Stabilization
  • Fibula Osteotomy
  • Ganglion Cyst Excision
  • Glenohumeral Joint Total Shoulder Arthroplasty
  • Greater Humeral Tuberosity Fracture Treatment
  • Heel Tendon Repair
  • Hip Arthroplasty
  • Hip Joint Replacement
  • Hip Revision Surgery
  • Hip Tenotomy
  • Intertrochanteric Fracture Treatment
  • Joint Arthroscopy
  • Joint Debridement
  • Knee Arthroscopy With Meniscectomy
  • Knee Injection
  • Knee Injury Treatment
  • Knee Joint Diagnostic Drainage
  • Knee Ligament Repair
  • Knee Realignment
  • Knee Replacement
  • Knee Revision Surgery
  • Left Hip Replacement
  • Median Nerve Decompression
  • Meniscus Injury Treatment
  • Muscle Injection
  • Open Femoral Fracture Treatment
  • Open Treatment Of Tibial Fracture
  • Osteochondral Defect Treatment
  • Osteotomy
  • Patellar Tendonitis Treatment
  • Percutaneous Drainage
  • Proximal Humeral Fracture Treatment
  • Removal Of Implant
  • Removal Of Synthetic Substitute From Knee Joint
  • Revision Of Total Hip Arthroplasty
  • Revision Of Total Knee Arthroplasty
  • Right Hip Replacement
  • Rotator Cuff Tendinitis Treatment
  • Shoulder Arthroplasty
  • Shoulder Arthroscopy
  • Shoulder Impingement Syndrome Treatment
  • Shoulder Joint Replacement
  • Shoulder Joint Synthetic Substitute Removal
  • Shoulder Labral Repair
  • Shoulder Replacement
  • Shoulder Revision Surgery
  • Sports Injury Treatment
  • Tendon Transplantation
  • Tibial Fracture Treatment
  • Total Hip Arthroplasty
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Practice locations

Distance from Change LocationEnter your Location

18109 Prince Philip Dr
Ste 325
Olney, MD, 20832

301-774-8958

Fax 410-354-2985

Get Directions

miles away

Fax 410-354-2985

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

Education

Board Certification: American Board of Orthopedic Surgery, Orthopedic Surgery

Residency: Georgetown University Medical Center GME (1997)

Residency: Georgetown University Hospital (1993)

Medical School: Georgetown University (1991)

Ratings and reviews

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

    5
  • Extent to which the care provider listened to you

    5
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    5
  • Provider included you in decisions

    5
  • Concern the care provider showed for your questions or worries

    5
  • Likelihood of recommending this care provider to others

    5
  • Feb 28, 2026

    Dr. Knolmayer is exemplary

  • Feb 25, 2026

    Dr. Knolmayer explained the problem and treatment very well.

  • Feb 19, 2026

    Dr. Knolmayer is always very good at explaining everything and including the patient in the decision process for treatment and future care.