About me
Allison Fillar, MD is fellowship trained and board-certified in orthopaedic surgery and sports medicine. She specializes in reconstructive knee and shoulder surgery.
Dr. Fillar has cared for professional, collegiate, and high school athletic teams in New York and Maryland. She has conducted research on various topics including meniscal root injuries, patellar tendon repair techniques, treatment after Achilles tendon ruptures and has analyzed varying techniques for ACL reconstruction.
Dr. Fillar is a member of the American Academy of Orthopaedic Surgeons, the American Orthopaedic Society for Sports Medicine, and the Arthroscopy Association of North America. She has been an invited instructor for arthroscopy courses at the American Academy of Orthopaedic Surgeons. She teaches residents and fellows across the DC, Maryland and Virginia region.
Dr. Fillar's focus is on helping patients get back to the activities they love. She believes in building relationships with patients over time and works in partnership with each person to evaluate treatment options.
Clinical areas of focus
- Acl Tear
- Cartilage Disorder
- Heel Tendon Repair
- Knee Arthroscopy With Meniscectomy
- Knee Ligament Repair
- Knee Pain
- Knee Replacement
- Patella Dislocation
- Patella Tracking Disorder
- Rotator Cuff Disorder
- Shoulder Arthroscopy
- Sports Injuries
Conditions and procedures
Conditions I treat
- Ac Joint Arthritis
- Acl Tear
- Arthropathy
- Bone Discontinuity
- Bone Disorders
- Bursopathy
- Cartilage Disorder
- Enthesopathies
- Enthesopathy Of Knee
- Femur Shaft Fracture
- Golfer's Elbow
- Hip And Thigh Tendon Injury
- Joint Derangement
- Joint Derangement Of Knee
- Joint Disorder
- Knee Fracture
- Knee Joint And Ligament Sprain
- Knee Pain
- Knee Stiffness
- Lateral Meniscus Injury
- Lcl Sprain Or Tear
- Lower Leg Injury
- Mcl Sprain Or Tear
- Muscle Disorders
- Musculoskeletal System Deformities
- Olecranon Bursitis
- Orthopedic Aftercare
- Osteoarthritis
- Osteochondropathies
- Osteonecrosis
- Patella Dislocation
- Patella Tracking Disorder
- Rotator Cuff Disorder
- Rotator Cuff Impingement
- Shoulder And Upper Arm Muscle, Fascia, And Tendon Injury
- Shoulder Dislocation
- Shoulder Fracture
- Shoulder Joint And Ligament Sprain
- Sports Injuries
- Superficial Knee Injury
- Synovium And Tendon Disorder
- Tendinous Disorders
- Tendonitis Of The Shoulder
- Tennis Elbow
Procedures I perform
- Arthroscopic Shoulder Debridement
- Arthroscopy Knee Loose Body Removal
- Arthroscopy With Chondroplasty
- Balance And Coordination Training
- Bone Graft
- Bone Repair
- Cartilage Transplant
- Closed Clavicular Fracture Treatment
- Closed Proximal Fibula Or Shaft Fracture Treatment
- Heel Tendon Repair
- Intertrochanteric Fracture Treatment
- Joint Arthroscopy
- Knee Arthroscopy With Meniscectomy
- Knee Injection
- Knee Injury Treatment
- Knee Joint Diagnostic Drainage
- Knee Ligament Repair
- Knee Realignment
- Knee Replacement
- Muscle Injection
- Open Treatment Of Tibial Fracture
- Orthopedic Physical Therapy
- Orthopedic Urgent Care
- Osteochondral Autograft Transplantation
- Osteotomy
- Removal Of Implant
- Removal Of Synthetic Substitute From Knee Joint
- Shoulder Arthroscopy
- Shoulder Dislocation Treatment
- Shoulder Instability Repair
- Sports Performance Training
- Surgical Treatment
Practice locations
Distance from Change Location Enter your Location
2 Loveton Cir
Sparks, MD, 21152
3333 N Calvert St
Johnston Professional Bldg Ste 400
Baltimore, MD, 21218
2118 Greenspring Dr
Ste 210
Timonium, MD, 21093
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
- IH-Network Only Plus
- Aetna Classic 3500
- TRICARE East Select
- MedStar Family Choice DC Healthcare Alliance
- Beech Street PPO
- Aetna Signature Administrator PPO/TPA
- Mamsi Life & Health (Indem./PPO)
- Cigna Preferred Medicare (HMO)
- IH-Open POS Plus
- CareFirst Maryland Indemnity or PPO
- Core Essential (HMO)
- Optimum Choice
- Geisinger Medicare Advantage
- United Healthcare Choice Plus Cardiac Global
- IH-POS
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- NYC Medicare Advantage Plus
- Aetna Premier 200PD
- CareFirst NASCO
- POS OA
- CIGNA Indemnity
- Anthem BCBS of VA HealthKeepers Plus
- Priority Partners - Maryland Health Choice
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Magellan Complete Care of VA - VA Medicaid MCO
- Amerigroup DC Alliance
- Cigna Alliance Medicare (HMO)
- First Health PPO
- TRICARE for Life East
- UnitedHealthcare and AARP Medicare Complete Plans
- United Healthcare Select Plus (POS)
- Aetna Worker's Compensation Network
- Coventry Health Care National Network PPO
- Aetna Advantage 6350
- Aetna Better Health of VA
- Aetna Managed Choice Open Access (POS)
- Aetna Open Choice (PPO)
- Police and Fire Clinic
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Classic 5000PD
- Kaiser Permanente Signature - Added Choice
- IH-Open HMO Option
- IH-Open HMO
- Amerigroup DC Healthy Families
- Kaiser Permanente Select Cardiac Global
- CareFirst MedStar PPO
- Johns Hopkins Advantage MD HMO
- Choice POS II Open Access
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Navigate
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-HMO
- OA Plus
- CareFirst FEP Blue Focus
- CIGNA HMO Open Access
- United Healthcare Choice Plus
- BlueChoice Open Access
- Aetna Advantage 6350PD
- IH-Open Network Only Plus
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CIGNA Connect EPO
- Cigna TotalCare (HMO D-SNP)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- United Healthcare Choice Cardiac Global
- CareFirst Community Health Plan of MD
- Choice POS II
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Johns Hopkins Advantage MD PLUS PPO
- OCI Direct (HMO)
- Healthy Blue (HMO, POS)
- AMERIVANTAGE/Amerigroup Community Care
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- MedStar Family Choice DC Healthy Families
- Aetna Better Health of MD
- Employee Health Plan
- United Healthcare Options (PPO)
- Aetna Managed Choice (POS)
- CareFirst EPO
- Choice Care Network/HUMANA (PPO)
- IH-EPO Plus
- IH-PPO
- Great-West Healthcare POS/CIGNA
- IH-Open POS II
- Kaiser Permanente Select
- Medicare Direct
- Alterwood Advanatge HMO & DSNP Plans
- IH-Open EPO Plus
- CIGNA PPO Plus
- United HealthCare Community Plan - Maryland Health Choice Program
- CareFirst Group Medicare Advantage
- Humana Gold Plus HMO
- Jai Medical Systems - Maryland Health Choice
- Kaiser Permanente Flexible Choice 3-tier POS
- Private Fee-for-Service Plans (PFFS)
- CIGNA POS/Network POS
- MedStar Family Choice - Maryland Health Choice
- Anthem Federal Employee Program Basic
- United Healthcare Community Plan - VA Medicaid MCO
- CIGNA HMO & Network (HMO)
- IH-POS Plus
- Humana Medicare Advantage - HMO Open Access
- HumanaChoice Honor's plan PPO
- Aetna Student Health Insurance
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Private Health Care Systems (PPO)
- WellPoint Maryland - Maryland Health Choice
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Kaiser Permanente Select - Added Choice
- Sentara Health
- Select HMO/HealthFund/Health Network
- Maryland Physicians Care MCO
- Choice POS
- HumanaChoice PPO
- United Student Resources
- Cigna True Choice Medicare (PPO)
- United Healthcare Select HMO - EPO/NPP
- CareFirst BlueChoice HMO
- Optimum Choice Preferred (POS)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst Administrators
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Aetna HMO
- Kaiser Maryland Medicaid MCO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CareFirst Dual Prime HMO-SNP
- Veterans Affairs Community Care Network
- CareFirst MedStar Select PPO
- CareFirst Blue Card Program
- Blue Choice Advantage
- Options PPO Cardiac Global
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Cigna Achieve Medicare (HMO C-SNP)
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Medicare Advantage HMO & PPO Plans
- CIGNA SureFit (HMO)
- MultiPlan, Inc
- M.D. IPA (HMO)
- UnitedHealthcare Individual Exchange Plans
- Aetna Medicare Advantage PFFS Plan
- CIGNA EPO
- DC/MD SHOP QHP Small Business Plans
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Kaiser Permanente Signature
- United Healthcare Navigate Cardiac Global
- Anthem BCBS Medi Blue Plus
- HealthyBlue PPO
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Choice Fund PPO
- Aetna Quality Point of Service (POS)
- CareFirst (NCA) Indemnity
- UHC Passport
- Humana Medicare Advantage - PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst Maryland Point of Service Plan
- Cigna True Choice Plus Medicare (PPO)
- Anthem BCBS Medi Blue Dual Adv
- CIGNA PPO
- Aetna Elect Choice/ Open Access (POS)
- HighMark
- Aetna Traditional Choice (PPO)
- AmeriHealth Caritas DC Healthy Families
- Advantra Platinum (PPO)
- Anthem BCBS of VA HealthKeepers (HMO)
- TriWest Healthcare Alliance
- Anthem BCBS Medi Blue SNP
- Coventry of Delaware HMO/PPO
- United Medicare Private Fee-for-Service (PFFS) plans
- Johns Hopkins Advantage MD PPO
- United Healthcare Choice
- Erickson Advantage Plans
- CareFirst Blue Preferred PPO
- Kaiser Permanente Medicare Plus
- Medicare FFS
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Uniformed Services Family Health Plan
- Aetna Classic 5000
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- IH-Indemnity
- Medicare Advantage - Advantra Value (PPO)
- TRICARE East Prime
- Tricare Reserve Select
- AmeriHealth Caritas DC Healthcare Alliance
- First Health PPO
- Health Services for Children with Special Needs
- Coventry Health Care of Virginia
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Basic
- CareFirst Blue Choice Opt Out Open Access
- Network OA
- Aetna Advantage 5750
- Aetna VA Exchange
- Anthem Federal Employee Program Standard
- M.D. IPA Preferred (POS)
Education
Board Certification: American Board of Orthopedic Surgery, Orthopedic Surgery
Fellowship: MedStar Union Memorial Hospital at Baltimore (2015)
Residency: Montefiore Medical Center (2014)
Medical School: George Washington University School of Medicine & Health Sciences (2009)
Awards
- "Top Doc" by Baltimore magazine - 2023, 2024, 2025