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
- 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
- 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 LocationEnter your Location
3333 N Calvert St Johnston Professional Bldg Ste 400 Baltimore, MD, 21218
410-554-2161Fax 667-359-3004
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
- AmeriHealth Caritas DC Healthy Families
- IH-POS
- CareFirst Blue Card Program
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst Blue Choice Opt Out Open Access
- POS OA
- Optima Family Care MCO - VA Medicaid MCO
- Johns Hopkins Advantage MD PLUS PPO
- MedStar Family Choice - Maryland Health Choice
- UHC Passport
- CareFirst MedStar PPO
- OA Plus
- Health Services for Children with Special Needs
- Veterans Affairs Community Care Network
- Cigna Alliance Medicare (HMO)
- CareFirst Maryland Indemnity or PPO
- First Health PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- IH-Indemnity
- Kaiser Permanente Select
- Mamsi Life & Health (Indem./PPO)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Select HMO/HealthFund/Health Network
- Blue Choice Advantage
- UnitedHealthcare Individual Exchange Plans
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Basic
- Uniformed Services Family Health Plan
- Aetna Advantage 5750
- Aetna Worker's Compensation Network
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Medicare Advantage - Advantra Value (PPO)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- CareFirst Dual Prime HMO-SNP
- CIGNA Indemnity
- M.D. IPA (HMO)
- Cigna True Choice Plus Medicare (PPO)
- HighMark
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- United Healthcare Navigate Cardiac Global
- CareFirst Maryland Point of Service Plan
- Aetna Medicare Advantage PFFS Plan
- Amerigroup DC Alliance
- Anthem BCBS of VA HealthKeepers (HMO)
- CIGNA POS/Network POS
- Employee Health Plan
- OCI Direct (HMO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- IH-Network Only Plus
- Medicare FFS
- HumanaChoice Honor's plan PPO
- Aetna Medicare Advantage HMO & PPO Plans
- CareFirst Administrators
- Anthem Federal Employee Program Standard
- Police and Fire Clinic
- Maryland Physicians Care MCO
- Aetna Classic 3500
- Aetna Better Health of VA
- Johns Hopkins Advantage MD HMO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Kaiser Permanente Signature
- CareFirst (NCA) Indemnity
- CIGNA HMO Open Access
- Priority Partners - Maryland Health Choice
- CareFirst BlueChoice HMO
- United HealthCare Community Plan - Maryland Health Choice Program
- Private Fee-for-Service Plans (PFFS)
- CareFirst Blue Preferred PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Jai Medical Systems - Maryland Health Choice
- Aetna Traditional Choice (PPO)
- AmeriHealth Caritas DC Healthcare Alliance
- Tricare Reserve Select
- Private Health Care Systems (PPO)
- Aetna Advantage 6350
- Great-West Healthcare POS/CIGNA
- Aetna Advantage 6350PD
- Anthem BCBS Medi Blue Plus
- BlueChoice Open Access
- United Healthcare Select Plus (POS)
- Optimum Choice Preferred (POS)
- Cigna TotalCare (HMO D-SNP)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CIGNA PPO
- TriWest Healthcare Alliance
- United Healthcare Choice Cardiac Global
- DC/MD SHOP QHP Small Business Plans
- Humana Medicare Advantage - PPO
- Coventry of Delaware HMO/PPO
- Humana Medicare Advantage - HMO Open Access
- CIGNA Connect EPO
- United Healthcare Choice Plus Cardiac Global
- First Health PPO
- Aetna Classic 5000
- Aetna Student Health Insurance
- Aetna Managed Choice Open Access (POS)
- Anthem Federal Employee Program Basic
- CareFirst NASCO
- CareFirst Group Medicare Advantage
- Kaiser Permanente Medicare Advantage Signature and Select
- Erickson Advantage Plans
- MedStar Family Choice DC Healthy Families
- MedStar Family Choice DC Healthcare Alliance
- IH-Open Network Only Plus
- Medicare Direct
- CareFirst MedStar Select PPO
- CIGNA EPO
- TRICARE for Life East
- Advantra Platinum (PPO)
- IH-Open POS Plus
- HealthyBlue PPO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Quality Point of Service (POS)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Kaiser Maryland Medicaid MCO
- Amerigroup DC Healthy Families
- Core Essential (HMO)
- IH-Open POS II
- Aetna Better Health of MD
- Coventry Health Care of Virginia
- TRICARE East Select
- IH-Open EPO Plus
- Kaiser Permanente Flexible Choice 3-tier POS
- Healthy Blue (HMO, POS)
- WellPoint Maryland - Maryland Health Choice
- Anthem BCBS of VA HealthKeepers Plus
- Anthem BCBS Medi Blue Dual Adv
- Johns Hopkins Advantage MD PPO
- United Healthcare Choice
- United Healthcare Options (PPO)
- Kaiser Permanente Medicare Plus
- Kaiser Permanente Select - Added Choice
- Optimum Choice
- IH-HMO
- Choice Care Network/HUMANA (PPO)
- Coventry Health Care National Network PPO
- TRICARE East Prime
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- United Healthcare Community Plan - VA Medicaid MCO
- Options PPO Cardiac Global
- Aetna VA Exchange
- Aetna Managed Choice (POS)
- Choice POS II
- MultiPlan, Inc
- Aetna HMO
- Navigate
- Alterwood Advanatge HMO & DSNP Plans
- Aetna Signature Administrator PPO/TPA
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Kaiser Permanente Select Cardiac Global
- Aetna Open Choice (PPO)
- Choice POS
- CareFirst Community Health Plan of MD
- NYC Medicare Advantage Plus
- IH-EPO Plus
- Kaiser Permanente Signature - Added Choice
- CareFirst EPO
- Cigna True Choice Medicare (PPO)
- HumanaChoice PPO
- Sentara Health
- IH-PPO
- IH-Open HMO Option
- CIGNA SureFit (HMO)
- IH-POS Plus
- Choice Fund PPO
- IH-Open HMO
- Network OA
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna Classic 5000PD
- Aetna Premier 200PD
- AMERIVANTAGE/Amerigroup Community Care
- Anthem BCBS Medi Blue SNP
- Cigna Achieve Medicare (HMO C-SNP)
- Choice POS II Open Access
- CareFirst FEP Blue Focus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- United Student Resources
- CIGNA PPO Plus
- United Healthcare Choice Plus
- UnitedHealthcare and AARP Medicare Complete Plans
- Aetna Elect Choice/ Open Access (POS)
- Cigna Preferred Medicare (HMO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Geisinger Medicare Advantage
- Beech Street PPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CIGNA HMO & Network (HMO)
- Humana Gold Plus HMO
- M.D. IPA Preferred (POS)
- United Healthcare Select HMO - EPO/NPP
- United Medicare Private Fee-for-Service (PFFS) plans
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
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