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