Ryan Michael Zimmerman, MD| Orthopedic Surgery, Hand Surgery | MedStar Health
Ryan Michael Zimmerman, MD
Provider accepts MedStar Select insurance
Provider accepts MedStar Select insuranceSpecialties: Orthopedic Surgery, Hand Surgery
Languages: English
410-467-5459
About me
Dr. Zimmerman completed Orthopaedic Surgery training at Harvard and received his doctorate from Johns Hopkins. He specializes in treatment of the entire upper limb, from shoulder to fingertips. Specific areas of expertise include: arthroscopic shoulder surgery (such as rotator cuff repair), shoulder replacement, reverse shoulder replacement, trauma (such as shoulder, elbow, wrist, hand or finger fractures), and nerve compression syndromes (such as carpal tunnel). Dr. Zimmerman is active in research and education and uses the most recent reconstructive techniques to help his patients reach the highest levels of function and dexterity.
In the News
Baltimore surgeon reports hand injuries after snowblower-related accidents during Maryland snowstorms
Clinical areas of focus
- Carpal Tunnel Release
- Club Hand Reconstruction
- Finger Arthroscopy
- Ganglion Cyst Excision
- Heel Tendon Repair
- Wrist Instability Treatment
Conditions and procedures
Conditions I treat
- Acantholytic Disorders
- Acquired Absence Of Limb
- Acquired Finger Deformity
- Acquired Wrist Deformity
- Amputation Of Fingers
- Amputation Of Hand
- Arthritis Of The Thumb
- Arthritis Of The Wrist
- Arthropathy
- Benign Tumor
- Bone Discontinuity
- Bone Disorders
- Bone Infection (OSTEOMYELITIS)
- Bursopathy
- Chronic Gout
- Complications Of Reattachment And Amputation
- Congenital Hand Deformities
- Congenital Malformations Of Limb
- Cutaneous Abscess, Furuncle And Carbuncle
- Dupuytren's Contracture
- Elbow And Forearm Injury
- Elbow Joint And Ligament Dislocation And Sprain
- Elbow Pain
- Enteropathic Arthropathies
- Femur Shaft Fracture
- Finger And Hand Amputation
- Finger Infection
- Finger Injury
- Finger Joint Dislocation
- Finger Joint Replacement
- Finger Joint Stiffness
- Finger Numbness And Tingling
- Finger Sprains
- Finger Tendon Rupture
- Finger, Hand, And Wrist Open Wound
- Flexor Tendon Rupture
- Forearm And Elbow Joint Instability
- Forearm Blood Vessel Injury
- Forearm Fracture
- Forearm Muscle Strain
- Forearm Pain
- Forearm Tendon Injury
- Forearm Tendonitis
- Ganglion Cysts
- Gout
- Hand And Finger Dupuytren's Contracture
- Hand And Finger Nerve Damage
- Hand And Finger Tumors
- Hand And Wrist Fracture
- Hand And Wrist Swelling
- Hand Joint And Ligament Sprain
- Hip And Thigh Tendon Injury
- Joint Derangement
- Joint Disorder
- Joint Sprain
- Laceration Of Hand
- Malignant Neoplasm Of Connective And Soft Tissue
- Median Nerve Compression
- Mononeuropathies Of The Hand
- Mononeuropathy Of Upper Limb
- Muscle Disorders
- Neck Nerve And Spinal Cord Injury
- Osteoarthritis
- Osteoarthritis Of First Carpometacarpal Joint
- Osteoarthritis Of The Finger
- Osteochondropathies
- Osteonecrosis
- Paralytic Syndrome
- Polyosteoarthritis
- Radial Nerve Entrapment
- Radial Nerve Injury
- Reduction Defects Of Limb
- Rheumatoid Arthritis
- Rheumatoid Arthritis Of Hand
- Rheumatoid Arthritis With Rheumatoid Factor
- Scaphoid Fracture
- Shoulder And Upper Arm Amputation
- Shoulder And Upper Arm Muscle, Fascia, And Tendon Injury
- Shoulder And Upper Arm Tendon Injury
- Shoulder Fracture
- Soft Tissue Disorders Of The Hand
- Synovium And Tendon Disorder
- Tarsal Tunnel Syndrome
- Tendinitis Of Elbow
- Tendinous Disorders
- Tendonitis Of The Hand
- Tenosynovitis Of The Wrist
- Thumb Arthritis
- Thumb Stiffness
- Thumb Synovitis
- Toe Amputation
- Trigger Finger
- Wrist And Hand Amputation
- Wrist And Hand Ganglion Cyst
- Wrist And Hand Joint And Ligament Dislocation And Sprain
- Wrist And Hand Pain
- Wrist And Hand Tendon Injury
- Wrist And Hand Tendonitis
- Wrist And Hand Tumors
- Wrist Arthroscopy
- Wrist Blood Vessel Injury
- Wrist Contracture
- Wrist Drop
- Wrist Joint Dislocation
- Wrist Joint Replacement
- Wrist Stiffness
- Wrist, Hand, And Finger Crushing Injury
Procedures I perform
- Amputation With Direct Closure
- Arthrocentesis
- Bone Graft
- Boutonniere Deformity Correction
- Boxer's Fracture Treatment
- Burn Contracture Release
- Canalicular Laceration Repair
- Capsulotomy
- Carpal Scaphoid Fracture Fixation
- Carpal Tunnel Release
- Carpectomy Of One Bone
- Carpometacarpal Dislocation Treatment
- Cervical Vertebra Reposition
- Closed Reduction
- Club Hand Reconstruction
- Complex Regional Pain Syndrome Treatment
- Cubital Tunnel Release
- De Quervain Tenosynovitis Treatment
- Detachment At Left Middle Finger
- Digital Neuroplasty
- Digital Ray Amputation
- Distal Phalangeal Fracture Treatment
- Distal Radius Fracture Treatment
- Dupuytren Contracture Treatment
- Elbow Arthroscopy
- Elbow Pain Treatment
- Elbow Replacement
- Endoscopic Carpal Tunnel Release
- Excision Of Tendon Sheath Or Joint Capsule Lesion
- Extensor Tendon Grafting
- Extensor Tendon Sheath Incision
- Facial Nerve Repair
- Fasciectomy With Release Of Single Digit
- Femoral Nerve Reposition
- Femoral Nerve Transfer
- Finger Arthroscopy
- Finger Contracture Release
- Finger Joint Replacement
- Finger Phalangeal Joint Fusion
- Finger Phalanx Excision
- Foot Skin Replacement
- Foot Subcutaneous Tissue Diagnostic Drainage
- Ganglion Cyst Excision
- Ganglion Excision
- Gastrocutaneous Fistula Takedown
- Hand Drainage
- Hand Fracture External Fixation
- Hand Replantation
- Hand Skin Excision
- Hand Tendon Excision
- Hand Tendon Repair
- Hand Therapy
- Hand Transplantation
- Heel Tendon Repair
- Interphalangeal Joint Capsulectomy
- Joint Arthroscopy
- Joint Drainage
- Left Ulnar Artery Repair
- Limb Replantation
- Lunate Dislocation Treatment
- Median Nerve Conduction Studies
- Median Nerve Release
- Metacarpal Fracture Treatment
- Metacarpal Joint Arthrodesis
- Metacarpophalangeal Joint Arthroplasty
- Metatarsal Drainage
- Microsurgery
- Microsurgical Procedures
- Muscle Flap
- Muscle Injection
- Muscle Stiffness Treatment
- Nail Plate Avulsion
- Nerve Block
- Nerve Conduit
- Nerve Graft
- Osteotomy
- Palmar Fasciectomy
- Phalangeal Fracture Treatment
- Phalangeal Shaft Fracture Treatment
- Phalanx Bone Excision
- Physical Therapy Modalities
- Pip Joint Dislocation Treatment
- Posterior Interosseous Nerve Syndrome Treatment
- Proximal Interphalangeal Joint Replacement
- Radial Head Fracture Treatment
- Radial Nerve Compression Treatment
- Radius Reposition With Internal Fixation
- Reattachment Of Ring Finger
- Reconstructive Surgery
- Ring Avulsion Injury Treatment
- Scaphoid Fracture Treatment
- Scaphoid Nonunion Treatment
- Scoliosis Deformity Correction
- Skin Graft
- Spinal Spondylolysis Treatment
- Stenosing Tenosynovitis Treatment
- Surgical Drainage
- Surgical Repair Of Flexor Tendon
- Suture Of Tendon
- Swan Neck Deformity Treatment
- Sympathectomy
- Tendon Lengthening
- Tendon Transplantation
- Tenolysis
- Thumb Amputation
- Thumb Dislocation Treatment
- Thumb Fracture Treatment
- Trigger Finger Treatment
- Ulnar Nerve Compression Treatment
- Ulnar Nerve Release
- Ulnar Nerve Supplement
- Vascularized Bone Graft
- Vestibular Testing
- Wrist Instability Reconstruction
- Wrist Instability Treatment
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
- CareFirst EPO
- CareFirst MedStar Select PPO
- IH-HMO
- CareFirst Blue Card Program
- United Healthcare Select HMO - EPO/NPP
- Aetna Medicare Advantage PFFS Plan
- CareFirst Blue Preferred PPO
- Kaiser Maryland Medicaid MCO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Open Choice (PPO)
- Optimum Choice
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Classic 5000
- Private Health Care Systems (PPO)
- IH-Open POS Plus
- Jai Medical Systems - Maryland Health Choice
- MedStar Family Choice - Maryland Health Choice
- NYC Medicare Advantage Plus
- IH-POS Plus
- IH-Open POS II
- Cigna Achieve Medicare (HMO C-SNP)
- United Medicare Private Fee-for-Service (PFFS) plans
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst BlueChoice HMO
- CIGNA PPO Plus
- CareFirst (NCA) Indemnity
- Options PPO Cardiac Global
- IH-Open Network Only Plus
- Magellan Complete Care of VA - VA Medicaid MCO
- Anthem Federal Employee Program Basic
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Advantra Platinum (PPO)
- Cigna True Choice Medicare (PPO)
- Aetna Managed Choice Open Access (POS)
- Anthem BCBS Medi Blue Plus
- Network OA
- Humana Medicare Advantage - HMO Open Access
- Priority Partners - Maryland Health Choice
- Erickson Advantage Plans
- United HealthCare Community Plan - Maryland Health Choice Program
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Elect Choice/ Open Access (POS)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CIGNA Connect EPO
- CIGNA EPO
- United Healthcare Options (PPO)
- HumanaChoice PPO
- IH-Network Only Plus
- United Healthcare Choice Plus
- Medicare FFS
- Private Fee-for-Service Plans (PFFS)
- IH-POS
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Johns Hopkins Advantage MD PPO
- Kaiser Permanente Medicare Advantage Signature and Select
- Maryland Physicians Care MCO
- Aetna Advantage 6350PD
- United Healthcare Select Plus (POS)
- Navigate
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna HMO
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Coventry Health Care of Virginia
- Police and Fire Clinic
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- AmeriHealth Caritas DC Healthcare Alliance
- HealthyBlue PPO
- MedStar Family Choice DC Healthcare Alliance
- Anthem BCBS Medi Blue SNP
- Coventry of Delaware HMO/PPO
- Health Services for Children with Special Needs
- Geisinger Medicare Advantage
- CareFirst Maryland Indemnity or PPO
- Aetna Worker's Compensation Network
- OA Plus
- MedStar Family Choice DC Healthy Families
- CareFirst Group Medicare Advantage
- IH-EPO Plus
- Choice POS
- TRICARE East Select
- TriWest Healthcare Alliance
- Anthem BCBS of VA HealthKeepers (HMO)
- Cigna TotalCare (HMO D-SNP)
- IH-Open HMO
- Mamsi Life & Health (Indem./PPO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Kaiser Permanente Select
- DC/MD SHOP QHP Small Business Plans
- Choice POS II Open Access
- Cigna Preferred Medicare (HMO)
- Great-West Healthcare POS/CIGNA
- UHC Passport
- CareFirst FEP Blue Focus
- CIGNA POS/Network POS
- Optimum Choice Preferred (POS)
- United Healthcare Choice Cardiac Global
- Aetna Classic 3500
- UnitedHealthcare Individual Exchange Plans
- CIGNA Indemnity
- Kaiser Permanente Medicare Plus
- Blue Choice Advantage
- CIGNA PPO
- TRICARE for Life East
- TRICARE East Prime
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Kaiser Permanente Select - Added Choice
- United Healthcare Navigate Cardiac Global
- Aetna Basic
- Amerigroup DC Healthy Families
- CIGNA SureFit (HMO)
- POS OA
- Aetna Better Health of VA
- United Healthcare Choice Plus Cardiac Global
- Core Essential (HMO)
- United Student Resources
- IH-Open EPO Plus
- IH-PPO
- Humana Medicare Advantage - PPO
- OCI Direct (HMO)
- Select HMO/HealthFund/Health Network
- Cigna True Choice Plus Medicare (PPO)
- Tricare Reserve Select
- M.D. IPA Preferred (POS)
- CareFirst NASCO
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Advantage 5750
- Choice POS II
- Cigna Alliance Medicare (HMO)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- M.D. IPA (HMO)
- Aetna Quality Point of Service (POS)
- Anthem BCBS Medi Blue Dual Adv
- Healthy Blue (HMO, POS)
- Humana Gold Plus HMO
- Aetna Traditional Choice (PPO)
- BlueChoice Open Access
- Kaiser Permanente Select Cardiac Global
- IH-Open HMO Option
- CIGNA HMO & Network (HMO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Amerigroup DC Alliance
- CareFirst Administrators
- CareFirst Community Health Plan of MD
- First Health PPO
- CareFirst Dual Prime HMO-SNP
- Aetna Managed Choice (POS)
- Beech Street PPO
- CareFirst Blue Choice Opt Out Open Access
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CareFirst Maryland Point of Service Plan
- Employee Health Plan
- Aetna VA Exchange
- AmeriHealth Caritas DC Healthy Families
- United Healthcare Choice
- HumanaChoice Honor's plan PPO
- Kaiser Permanente Signature
- Kaiser Permanente Signature - Added Choice
- Choice Care Network/HUMANA (PPO)
- Alterwood Advanatge HMO & DSNP Plans
- Aetna Advantage 6350
- Anthem BCBS of VA HealthKeepers Plus
- CIGNA HMO Open Access
- UnitedHealthcare and AARP Medicare Complete Plans
- First Health PPO
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Aetna Better Health of MD
- Aetna Medicare Advantage HMO & PPO Plans
- CareFirst MedStar PPO
- Aetna Signature Administrator PPO/TPA
- Kaiser Permanente Flexible Choice 3-tier POS
- Aetna Classic 5000PD
- Uniformed Services Family Health Plan
- Johns Hopkins Advantage MD HMO
- Medicare Direct
- HighMark
- Aetna Student Health Insurance
- IH-Indemnity
- Anthem Federal Employee Program Standard
- Coventry Health Care National Network PPO
- Sentara Health
- Choice Fund PPO
- MultiPlan, Inc
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Medicare Advantage - Advantra Value (PPO)
- AMERIVANTAGE/Amerigroup Community Care
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Johns Hopkins Advantage MD PLUS PPO
- Veterans Affairs Community Care Network
- Aetna Premier 200PD
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- WellPoint Maryland - Maryland Health Choice
- United Healthcare Community Plan - VA Medicaid MCO
Videos
Education
Board Certification: American Board of Orthopedic Surgery, Orthopedic Surgery
Board Certification: American Board of Surgery, Hand Surgery
Fellowship: MedStar Union Memorial Hospital at Baltimore (2015)
Residency: Harvard Combined Orthopaedic Residency Program (2014)
Medical School: Johns Hopkins University School of Medicine (2009)
Awards
- Baltimore magazine, Top Doc - 2024, 2025