Ryan Michael Zimmerman, MD| Hand Surgery | MedStar Health
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
Conditions and procedures
Conditions I treat
- Abnormalities Of The Arms
- Abnormalities Of The Hands
- Acromioclavicular Fracture
- Acromioclavicular Joint Separation
- Adhesive Capsulitis
- Adhesive Capsulitis Of The Shoulder
- Animal Bite Of The Hand
- Annular Ligament Displacement
- Arm Fracture
- Arm Injury
- Arthritis
- Avascular Necrosis Of Shoulder
- Avascular Necrosis Of The Arm
- Avascular Necrosis Of The Elbow
- Avascular Necrosis Of The Fingers
- Avascular Necrosis Of The Hand
- Avascular Necrosis Of The Lunate
- Avascular Necrosis Of The Wrist
- Axillary Neuropathy
- Bankart Lesions
- Basal Joint Arthritis
- Bicep Tendon Tear
- Biceps Tendonitis
- Boutonniere Deformity
- Brachial Plexus Birth Palsy
- Brachial Plexus Injury
- Bursitis
- Bursitis Of The Arm
- Bursitis Of The Elbow
- Bursitis Of The Hand
- Bursitis Of The Shoulder
- Bursitis Of The Wrist
- Carpal Tunnel Syndrome (CTS)
- Cat Bite Of Hand
- Clavicle Fracture
- Clicking Elbow
- Clicking Shoulder
- Cold Sensitivity Hands
- Colles Fracture
- Comminuted Fracture
- Compartment Syndrome
- Congenital Hand Deformities
- Cubital Tunnel Syndrome
- De Quervain Tendinitis
- Developmental And Congenital Hand Deformities
- Developmental Hand Deformities
- Distal Clavicular Osteolysis
- Distal Radial Fracture
- Dog Bite Of Hand
- Dupuytren Contracture
- Elbow Arthritis
- Elbow Bone Spur
- Elbow Dislocation
- Elbow Fracture
- Elbow Injury
- Elbow Pain
- Elbow Sprain
- Epicondylitis
- Extensor Tendon Laceration
- Felon Infection
- Finger Abscess
- Finger Arthritis
- Finger Deformity
- Finger Dislocation
- Finger Fracture
- Finger Osteoarthritis
- Finger Pain
- Forearm Fracture
- Fracture
- Frostbite Of Finger
- Ganglion Cyst
- Giant Cell Tumor Of Tendon Sheath Of Hand
- Glomangioma
- Glomus Tumor
- Gout Of The Arm
- Gout Of The Elbow
- Gout Of The Hand
- Gout Of The Wrist
- Hand Arthritis
- Hand Fracture
- Hand Injury
- Hand Mass
- Hand Osteoarthritis
- Hand Pain
- Hand Tendon Injury
- Human Bite Of The Hand
- Humerus Fracture
- Hypothenar Hammer Syndrome
- Lateral Epicondylitis
- Lesion Of Ulnar Nerve
- Locking Elbow
- Locking Shoulder
- Lunate Fracture
- Mallet Finger
- Medial Epicondylitis
- Median Neuropathy
- Melanoma On Finger
- Melanoma On Hand
- Monteggia Fracture
- Nail Injury
- Non Displaced Fracture
- Non-Displaced Fracture Of Radius
- Non-Displaced Fracture Of Ulna
- Nonunion Fracture
- Palmar Fasciitis
- Peripheral Nerve Injury
- Plexopathy
- Polydactyly Hand
- Proximal Ulnar Fracture
- Radial Fracture
- Radial Head Subluxation
- Radial Nerve Neuropathy
- Radial Pseudoarthrosis Nonunion
- Radioulnar Synostosis
- Rheumatoid Arthritis
- Rotator Cuff Disorders
- Rotator Cuff Impingement
- Rotator Cuff Injury
- Scaphoid Fracture
- Scapula Fracture
- Scapular Dyskinesis
- Separated Shoulder
- Shoulder Arthritis
- Shoulder Dislocation
- Shoulder Fracture
- Shoulder Impingement
- Shoulder Injury
- Shoulder Instability
- Shoulder Labral Tear
- Shoulder Pain
- Shoulder Strain
- Slap Tear
- Sports Related Injury
- Stress Fracture Of The Radius
- Suprascapular Neuropathy
- Symbrachydactyly
- Syndactyly
- Tendinitis Of The Elbow
- Tendinitis Of The Hand
- Tendinitis Of The Wrist
- Tendon Injury
- Tenosynovitis
- Tenosynovitis Of Hand
- Thumb Dislocation
- Thumb Hypoplasia
- Triangular Fibrocartilage Complex Injury
- Trigger Finger
- Trigger Thumb
- Ulnar Fracture
- Ulnar Nerve Compression
- Ulnar Nerve Injury
- Ulnar Pseudarthrosis
- Ulnar Pseudo Arthrosis Non Union
- Wrist Arthritis
- Wrist Dislocation
- Wrist Fracture
- Wrist Instability
Procedures I perform
- Amputation Of The Finger Surgery
- Amputation Of The Thumb Surgery
- Arthroplasty Wrist
- Arthroscopy
- Arthroscopy Of Elbow
- Arthroscopy Of Shoulder
- Arthroscopy Of Wrist
- Basal Joint Arthritis Surgery
- Benign Tumor Removal Of The Hand
- Biceps Tendon Repair
- Bone Grafting
- Bone Surgery
- Brachial Plexus Surgery
- Bursectomy Of Hand
- Cancerous Tumor Removal Of The Hand
- Carpal Sequestrectomy
- Carpal Tunnel Syndrome Surgery
- Closed Reduction And Manipulation
- Cmc Thumb Arthroplasty
- Correction Of Syndactyly
- Cyst Removal
- Decompression Median Nerve At Elbow
- Digital Nerve Repair
- Elbow Injection
- Elbow Joint Excision
- Elbow Joint Replacement
- Elbow Surgery
- Extensor Tendon Repair
- Fasciotomy Of Hand
- Finger Injection
- Finger Reattachment
- Flexor Tendon Repair
- Hand Steroid Injection
- Hand Tendon Repair
- Hand Tendon Transfer
- Joint Replacement
- Joint Surgery Of Hand
- Joint Surgery Of The Wrist
- Metacarpal Sequestrectomy
- Metacarpophalangeal Fusion
- Micro Vascular Epiphyseal Plate Transplant
- Microsurgery
- Microsurgery Of The Hand
- Microsurgical Replantation Of The Hand
- Minimally Invasive Shoulder Surgery
- Minimally Invasive Surgery Of The Hand
- Minimally Invasive Surgery Of The Wrist
- Nail Bed Surgery
- Nerve Reconstruction
- Percutaneous Pinning
- Pollicization
- Reconstructive Surgery Of The Hand
- Replantation Of Extremities
- Rotator Cuff Repair
- Shoulder Injection
- Shoulder Joint Preservation Surgery
- Shoulder Labral Tear Repair
- Shoulder Prosthesis
- Shoulder Stabilization
- Shoulder Surgery
- Subacromial Steroid Injection
- Surgery For Arthritis
- Surgery For De Quervain Tenosynovitis
- Synovectomy Of Shoulder
- Synovectomy Of Wrist
- Tendon Pulley Reconstruction
- Tendon Repair Surgery
- Tenoplasty Of Hand
- Thumb Reattachment
- Thumb Surgery
- Toe Transfer
- Total Shoulder Replacement Reversal Surgery
- Total Shoulder Replacement Revision Surgery
- Total Shoulder Replacement Surgery
- Ulnar Collateral Ligament Repair
- Ulnar Nerve Decompression
- Ulnar Nerve Surgery
- Wrist Surgery
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
- Private Health Care Systems (PHCS) (PPO)
- Cigna POS/Network POS
- Cigna Choice Fund PPO
- United Group Medicare Advantage Plans
- Priority Partners - Maryland Health Choice
- Carefirst BlueChoice Opt Out Open Access
- Aetna Signature Administrator PPO/TPA
- Cigna Preferred Medicare
- Kaiser Signature
- United Optimum Choice Preferred (POS) & OCI Direct (HMO)
- Cigna Indemnity
- Medicaid - Virginia
- United Golden Rule
- Kaiser HMO Plus and DHMO Plus Member
- CareFirst BC/BS Advantage Core/Enhanced
- United Options (PPO) (includes Empire PPO)
- Cigna HMO & Network (HMO)
- Innovation Health: Open Network Only Plus
- Innovation Health: Network Only Plus
- United Nursing Home Plan (C-SNP
- Innovation Health: Open POS II
- HealthyBlue PPO
- Tricare Reserve Select
- Aetna HMO-Open Access/Select OA
- Aetna Open Choice (PPO)
- Maryland Point of Service Plan (MPOS)
- Carefirst BlueChoice Open Access
- CareFirst Administrators
- Aetna HealthFund/Health Network Option OA
- D-SNP)
- Beech Street PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Aetna HMO
- Innovation Health: POS
- United Optimum Choice
- UnitedHealthcare Individual Exchange Plans
- Innovation Health: HMO & EPO Plus
- Innovation Health: Open POS Plus
- Tricare for Life East
- United MD IPA Preferred (POS)
- Traditional Medicare Fee for Service
- Innovation Health: Indemnity
- Carefirst Healthy Blue (HMO/POS)
- Kaiser Medicare Advantage Signature and Select
- Health Services for Children with Special Needs (HSCSN)
- MedStar Family Choice DC Healthcare Alliance
- WellPoint Maryland - Maryland Health Choice
- United Student Resources
- Cigna True Choice Plus Medicare (PPO)
- United Medicare Advantage DSNP District of Columbia
- Aetna Quality Point of Service (POS)
- United Community Plan - Maryland Health Choice Program
- Aetna Managed Choice Open Access (POS)
- Innovation Health: PPO
- Veterans Affairs Community Care Network (VA CCN)
- I-SNP
- Aetna Student Health Insurance
- Cigna TotalCare (HMO D-SNP)
- United Select HMO - EPO/NPP
- CareFirst Group Medicare Advantage
- Police and Fire Clinic
- Aetna Traditional Choice (PPO)
- Aetna Managed Choice (POS)
- Carefirst Blue Preferred PPO
- United Choice
- Carefirst BlueChoice Opt Out Plus Open Access (POS)
- United Mamsi Life & Health
- WellPoint Maryland
- Carefirst EPO
- Tricare East Prime
- Cigna Network Open Access
- Uniformed Services Family Health Plan (USFHP)
- CareFirst Maryland Indemnity or PPO
- Tricare East Select
- HumanaChoice Honor’s plan PPO
- MedStar Family Choice DC Healthy Families
- United Select Plus (POS)
- United Choice Plus
- Cigna HMO Open Access
- Virginia Premier
- Medicaid - Maryland
- Cigna PPO and PPO Plus
- Federal Employee Program (Std/Basic PPO/Blue Focus)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- United GEHA (for all other states) Compass Rose
- Aetna Open HMO/Open HMO Option/Open EPO Plus
- CareFirst MedStar PPO
- Cigna Alliance Medicare (HMO) |
- Kaiser Medicare Plus
- Aetna Choice POS & Choice POS II
- HumanaChoice PPO
- Veterans Affairs Community Care Network
- Carefirst BlueChoice HMO
- Kaiser Select-Added Choice
- CareFirst MedStar Select PPO
- CareFirst (NCA) Indemnity
- Cigna EPO
- Cigna POS Open Access & Open Access Plus
- Aetna Medicare Advantage HMO & PPO Plans
- CareFirst Blue Card Program (Out-of-area BCBS plans)
- Aetna Elect Choice/ Open Access (POS)
- United Navigate
- United AARP Medicare Complete
- Kaiser Flexible Choice
- United Core Essential (HMO)
- United Erickson Advantage Plans
- Aetna Select HMO/HealthFund/Health Network
- Employee Health Plan (EHP)
- Medicaid - District of Columbia
- Cigna Achieve Medicare (HMO C-SNP)
- Innovation Health: POS Plus
- Cigna True Choice Medicare (PPO)
- United MD IPA (HMO)
- CareFirst NASCO
- Kaiser Select
- Kaiser Permanente Signature-Added Choice
- MedStar Family Choice - Maryland Health Choice
- Coventry Health Care of Virginia
- First Health PPO
- Great-West Healthcare POS/CIGNA
- Coventry Health Care National Network PPO
- Coventry of Delaware HMO/PPO
Videos
Education
Board Certification: American Board of Orthopaedic Surgery, Orthopaedic Surgery
Board Certification: American Board of Surgery, Hand Surgery
Fellowship Program: MedStar Union Memorial Hospital (2015)
Residency Program: Harvard Combined Orthopaedic Surgery Program (2014)
Medical School: Johns Hopkins University School of Medicine (2009)
Awards
- Baltimore magazine, Top Doc - 2024