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 Arthroscopy With Synovectomy
- Hip Osteoarthritis
- Knee Arthroscopy With Meniscectomy
- Knee Pain
- Knee Replacement
- Knee Revision Surgery
- Meniscus Injury Treatment
- Torn Tendon
Conditions and procedures
Conditions I treat
- Abdomen, Lower Back, Pelvis, And Genital Injury
- Acantholytic Disorders
- Acl Tear
- Acquired Absence Of Limb
- Ankle And Foot Fracture
- Ankle And Foot Injury
- Ankle And Foot Ligament Sprain
- Ankle Joint Dislocation
- Arthropathy
- Benign Neoplasm Of Bone And Articular Cartilage
- Benign Tumor
- Bone Cancer
- Bone Density Disorder
- Bone Discontinuity
- Bone Disorders
- Bone Infection (OSTEOMYELITIS)
- Bulging Disc
- Bursitis Of Knee
- Bursopathy
- Cartilage Damage
- Cartilage Disorder
- Cervical Herniated Disc
- Complications Of Joint Replacement
- Congenital Malformations Of Spine And Bony Thorax
- Congenital Musculoskeletal Deformities
- Deforming Dorsopathies
- Dorsalgia
- Dorsopathies
- Elbow And Forearm Injury
- Elbow Joint And Ligament Dislocation And Sprain
- Enteropathic Arthropathies
- Enthesopathies
- Enthesopathy Of Lower Limb
- Failed Back Syndrome
- Femur Shaft Fracture
- Finger, Hand, And Wrist Open Wound
- Flexor Tendon Rupture
- Flexor Tendonitis
- Forearm Fracture
- Forearm Tendon Injury
- Gout
- Hand And Wrist Fracture
- Hip And Thigh Tendon Injury
- Hip Fracture
- Hip Joint Dislocation
- Hip Osteoarthritis
- Hip Pain
- Inflammatory Spondylopathies
- Intervertebral Disc Disorders
- Joint Derangement
- Joint Derangement Of Knee
- Joint Disorder
- Joint Infection (SEPTIC ARTHRITIS)
- Joint Sprain
- Knee And Leg Open Wound
- Knee Dislocation
- Knee Fracture
- Knee Joint And Ligament Sprain
- Knee Pain
- Kyphosis
- Labral Tears
- Lcl Injury
- Limb Deformity
- Lordosis
- Lower Leg And Ankle Fracture
- Lower Leg Injury
- Lumbar Disc Disease
- Lumbar Spine Fracture
- Malignant Neoplasm Of Connective And Soft Tissue
- Mononeuropathy Of Lower Limb
- Mononeuropathy Of Upper Limb
- Muscle Calcification And Ossification
- Muscle Disorders
- Muscle Strain
- Neck Nerve And Spinal Cord Injury
- Neoplasm Of Uncertain Behavior
- Nerve Root Disorders
- Orthopedic Aftercare
- Orthopedic Implant Complications
- Osteoarthritis
- Osteoarthritis Of First Carpometacarpal Joint
- Osteoarthritis Pain
- Osteochondral Defect
- Osteonecrosis
- Osteoporosis
- Patella Tracking Disorder
- Pathologic Fracture
- Periprosthetic Fracture
- Polyosteoarthritis
- Presence Of Functional Implants
- Rheumatoid Arthritis
- Rib And Sternum Fracture
- Scoliosis
- Septic Arthritis Of The Hip
- Shoulder And Upper Arm Muscle, Fascia, And Tendon Injury
- Shoulder And Upper Arm Tendon Injury
- Shoulder Arthritis
- Shoulder Burns
- Shoulder Dislocation
- Shoulder Fracture
- Shoulder Joint And Ligament Sprain
- Spinal Cord Injury
- Spinal Osteochondrosis
- Spondylolisthesis
- Spondylopathies
- Spondylosis
- Stress Fracture
- Superficial Knee Injury
- Synovium And Tendon Disorder
- Tendinitis
- Tendinous Disorders
- Tendonitis Of The Shoulder
- Thumb Synovitis
- Torn Tendon
- Vertebral Fractures
- Wrist And Hand Joint And Ligament Dislocation And Sprain
- Wrist And Hand Tendon Injury
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
- Cervical Myelopathy Surgery
- Cervical Vertebra Reposition
- Closed Clavicular Fracture Treatment
- Closed Femoral Fracture Treatment
- Closed Fibular Fracture Treatment
- Closed Patellar Fracture Treatment
- Closed Treatment Of Femoral Fracture Without Manipulation
- Distal Radius Fracture Treatment
- Extensor Tendon Grafting
- External Fixation Of Right Tarsal
- Femoral Nerve Transfer
- Femur Fracture Stabilization
- Fibula Osteotomy
- Float Therapy
- Ganglion Cyst Excision
- Glenohumeral Joint Total Shoulder Arthroplasty
- Greater Humeral Tuberosity Fracture Treatment
- Heel Tendon Repair
- Hip Arthroplasty
- Hip Arthroscopy With Synovectomy
- Hip Distraction
- Hip Joint Replacement
- Hip Osteotomy Revision
- Hip Resurfacing
- 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
- Labral Tears Treatment
- Left Hip Replacement
- Median Nerve Decompression
- Meniscus Injury Treatment
- Muscle Injection
- Nerve Block
- 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
- Reposition Upper Femur With Internal Fixation
- Revision Of Total Hip Arthroplasty
- Revision Of Total Knee Arthroplasty
- Right Hip Replacement
- Rotator Cuff Tendinitis Treatment
- Shoulder Arthroscopy
- Shoulder Impingement Syndrome Treatment
- Shoulder Joint Replacement
- Shoulder Joint Synthetic Substitute Removal
- Shoulder Replacement
- Shoulder Revision Surgery
- Spinal Fusion
- Spinal Spondylolysis Treatment
- Sports Injury Treatment
- Tendon Transplantation
- Tibial Fracture Treatment
- Total Hip Arthroplasty
- Triangular Fibrocartilage Complex Injury Treatment
Practice locations
Distance from Change Location Enter your Location
18109 Prince Philip Dr
Ste 325
Olney, MD, 20832
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.
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List of insurance plans we accept
- Choice POS
- CareFirst BlueChoice HMO
- Anthem Federal Employee Program Standard
- AmeriHealth Caritas DC Healthy Families
- CareFirst MedStar Select PPO
- United Healthcare Navigate Cardiac Global
- CIGNA EPO
- Mamsi Life & Health (Indem./PPO)
- Private Fee-for-Service Plans (PFFS)
- MedStar Family Choice DC Healthcare Alliance
- HumanaChoice PPO
- Aetna Premier 200PD
- Jai Medical Systems - Maryland Health Choice
- Cigna True Choice Plus Medicare (PPO)
- UnitedHealthcare and AARP Medicare Complete Plans
- UHC Passport
- Aetna Managed Choice Open Access (POS)
- Medicare Advantage - Advantra Value (PPO)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Coventry Health Care of Virginia
- First Health PPO
- United Healthcare Choice Cardiac Global
- Humana Medicare Advantage - PPO
- Kaiser Permanente Select
- United Healthcare Choice
- HighMark
- Coventry of Delaware HMO/PPO
- Healthy Blue (HMO, POS)
- Aetna Worker's Compensation Network
- Maryland Physicians Care MCO
- MultiPlan, Inc
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Kaiser Permanente Signature
- Aetna VA Exchange
- Anthem Federal Employee Program Basic
- Great-West Healthcare POS/CIGNA
- Cigna Achieve Medicare (HMO C-SNP)
- IH-Open POS Plus
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- IH-Open EPO Plus
- UnitedHealthcare Individual Exchange Plans
- CareFirst Maryland Point of Service Plan
- CareFirst MedStar PPO
- Priority Partners - Maryland Health Choice
- Kaiser Maryland Medicaid MCO
- OCI Direct (HMO)
- Magellan Complete Care of VA - VA Medicaid MCO
- IH-Open HMO
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- WellPoint Maryland - Maryland Health Choice
- Select HMO/HealthFund/Health Network
- Cigna Alliance Medicare (HMO)
- NYC Medicare Advantage Plus
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Blue Choice Opt Out Open Access
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- HumanaChoice Honor's plan PPO
- Aetna Advantage 5750
- Health Services for Children with Special Needs
- TRICARE East Select
- Medicare Direct
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Advantage 6350PD
- Aetna HMO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CareFirst Blue Preferred PPO
- POS OA
- Johns Hopkins Advantage MD PPO
- Kaiser Permanente Flexible Choice 3-tier POS
- CIGNA PPO
- Cigna TotalCare (HMO D-SNP)
- Aetna Managed Choice (POS)
- Beech Street PPO
- CareFirst (NCA) Indemnity
- IH-HMO
- IH-POS Plus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Kaiser Permanente Select - Added Choice
- Veterans Affairs Community Care Network
- Choice POS II Open Access
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- IH-Open Network Only Plus
- AMERIVANTAGE/Amerigroup Community Care
- Cigna Preferred Medicare (HMO)
- Medicare FFS
- Navigate
- AmeriHealth Caritas DC Healthcare Alliance
- Employee Health Plan
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Erickson Advantage Plans
- CIGNA Connect EPO
- OA Plus
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Aetna Open Choice (PPO)
- Tricare Reserve Select
- Sentara Health
- TriWest Healthcare Alliance
- Blue Choice Advantage
- First Health PPO
- CIGNA SureFit (HMO)
- Choice Fund PPO
- Cigna True Choice Medicare (PPO)
- IH-Network Only Plus
- Aetna Signature Administrator PPO/TPA
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst Dual Prime HMO-SNP
- M.D. IPA (HMO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Options PPO Cardiac Global
- IH-Indemnity
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Anthem BCBS of VA HealthKeepers Plus
- IH-EPO Plus
- IH-PPO
- Kaiser Permanente Select Cardiac Global
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst FEP Blue Focus
- Johns Hopkins Advantage MD PLUS PPO
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Choice POS II
- Uniformed Services Family Health Plan
- CareFirst Community Health Plan of MD
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Aetna Classic 3500
- CareFirst Maryland Indemnity or PPO
- Geisinger Medicare Advantage
- Network OA
- Kaiser Permanente Medicare Plus
- M.D. IPA Preferred (POS)
- Humana Gold Plus HMO
- Amerigroup DC Healthy Families
- CareFirst NASCO
- CIGNA Indemnity
- Amerigroup DC Alliance
- BlueChoice Open Access
- Aetna Medicare Advantage PFFS Plan
- CareFirst Blue Card Program
- CareFirst Group Medicare Advantage
- Aetna Classic 5000
- Police and Fire Clinic
- Aetna Basic
- Lasso Healthcare - Medicare Medical Savings Account
- Advantra Platinum (PPO)
- Anthem BCBS Medi Blue SNP
- TRICARE for Life East
- CIGNA POS/Network POS
- Core Essential (HMO)
- Anthem BCBS Medi Blue Dual Adv
- United Medicare Private Fee-for-Service (PFFS) plans
- United Healthcare Community Plan - VA Medicaid MCO
- CIGNA HMO & Network (HMO)
- Humana Medicare Advantage - HMO Open Access
- Kaiser Permanente Medicare Advantage Signature and Select
- MedStar Family Choice - Maryland Health Choice
- Aetna Advantage 6350
- Aetna Better Health of MD
- United Healthcare Options (PPO)
- Optimum Choice Preferred (POS)
- Alterwood Advanatge HMO & DSNP Plans
- United Healthcare Select Plus (POS)
- Optima Family Care MCO - VA Medicaid MCO
- United HealthCare Community Plan - Maryland Health Choice Program
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Anthem BCBS Medi Blue Plus
- United Healthcare Choice Plus Cardiac Global
- Aetna Traditional Choice (PPO)
- Johns Hopkins Advantage MD HMO
- IH-Open POS II
- Private Health Care Systems (PPO)
- Choice Care Network/HUMANA (PPO)
- CIGNA PPO Plus
- Coventry Health Care National Network PPO
- IH-POS
- Aetna Quality Point of Service (POS)
- TRICARE East Prime
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CareFirst EPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- IH-Open HMO Option
- CareFirst Administrators
- HealthyBlue PPO
- CIGNA HMO Open Access
- Kaiser Permanente Signature - Added Choice
- Aetna Medicare Advantage HMO & PPO Plans
- MedStar Family Choice DC Healthy Families
- Optimum Choice
- United Healthcare Select HMO - EPO/NPP
- United Student Resources
- Aetna Classic 5000PD
- United Healthcare Choice Plus
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- DC/MD SHOP QHP Small Business Plans
- Aetna Student Health Insurance
- Aetna Better Health of VA
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)
