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