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