Ryan Michael Zimmerman, MD| Hand Surgery, Orthopedic Surgery | MedStar Health
Ryan Michael Zimmerman, MD
Provider accepts MedStar Select insurance
Provider accepts MedStar Select insuranceSpecialties: Hand Surgery, Orthopedic 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
- 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 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
- 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 Supplement
- Vascularized Bone Graft
- Vestibular Testing
- Wrist Instability Reconstruction
- Wrist Instability Treatment
Practice locations
Distance from Change Location Enter your Location
3333 N Calvert St
2nd Fl
Baltimore, MD, 21218
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
- Humana Gold Plus HMO
- Kaiser Permanente Flexible Choice 3-tier POS
- Healthy Blue (HMO, POS)
- Cigna Alliance Medicare (HMO)
- HumanaChoice PPO
- United Healthcare Choice Plus
- Kaiser Permanente Select Cardiac Global
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Anthem BCBS Medi Blue SNP
- TRICARE East Select
- IH-Open HMO
- Cigna Achieve Medicare (HMO C-SNP)
- Maryland Physicians Care MCO
- Amerigroup DC Healthy Families
- CareFirst (NCA) Indemnity
- IH-Open HMO Option
- Cigna True Choice Plus Medicare (PPO)
- Johns Hopkins Advantage MD PPO
- Veterans Affairs Community Care Network
- AMERIVANTAGE/Amerigroup Community Care
- HealthyBlue PPO
- Aetna Advantage 6350
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Private Fee-for-Service Plans (PFFS)
- Choice POS II
- United HealthCare Community Plan - Maryland Health Choice Program
- HighMark
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Aetna Better Health of VA
- CareFirst Blue Card Program
- CIGNA PPO Plus
- HumanaChoice Honor's plan PPO
- IH-Indemnity
- Advantra Platinum (PPO)
- Amerigroup DC Alliance
- Aetna Basic
- IH-HMO
- UHC Passport
- Aetna Elect Choice/ Open Access (POS)
- Choice Care Network/HUMANA (PPO)
- Johns Hopkins Advantage MD HMO
- United Healthcare Choice Cardiac Global
- Aetna Classic 5000PD
- IH-POS
- Anthem BCBS Medi Blue Plus
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- CIGNA POS/Network POS
- OA Plus
- Great-West Healthcare POS/CIGNA
- Coventry Health Care National Network PPO
- Lasso Healthcare - Medicare Medical Savings Account
- Alterwood Advanatge HMO & DSNP Plans
- Aetna Worker's Compensation Network
- Blue Choice Advantage
- Priority Partners - Maryland Health Choice
- CareFirst BlueChoice HMO
- MedStar Family Choice DC Healthy Families
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Kaiser Permanente Medicare Advantage Signature and Select
- Medicare FFS
- Private Health Care Systems (PPO)
- United Healthcare Choice Plus Cardiac Global
- Aetna Managed Choice Open Access (POS)
- CareFirst MedStar PPO
- MedStar Family Choice - Maryland Health Choice
- Optimum Choice Preferred (POS)
- POS OA
- CIGNA Indemnity
- Aetna Premier 200PD
- CIGNA SureFit (HMO)
- UnitedHealthcare Individual Exchange Plans
- CIGNA Connect EPO
- Aetna Classic 5000
- CareFirst Group Medicare Advantage
- AmeriHealth Caritas DC Healthcare Alliance
- United Medicare Private Fee-for-Service (PFFS) plans
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- IH-Open POS Plus
- United Healthcare Choice
- Humana Medicare Advantage - PPO
- Beech Street PPO
- Cigna True Choice Medicare (PPO)
- Erickson Advantage Plans
- Options PPO Cardiac Global
- OCI Direct (HMO)
- Cigna Preferred Medicare (HMO)
- Johns Hopkins Advantage MD PLUS PPO
- Mamsi Life & Health (Indem./PPO)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Jai Medical Systems - Maryland Health Choice
- Employee Health Plan
- CareFirst NASCO
- Sentara Health
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Classic 3500
- Anthem Federal Employee Program Basic
- United Student Resources
- Anthem BCBS of VA HealthKeepers Plus
- Aetna HMO
- IH-Open POS II
- Aetna Better Health of MD
- CareFirst Blue Preferred PPO
- MultiPlan, Inc
- Cigna TotalCare (HMO D-SNP)
- Kaiser Permanente Select
- Kaiser Permanente Signature
- M.D. IPA (HMO)
- IH-Open Network Only Plus
- CIGNA EPO
- TRICARE for Life East
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Advantage 5750
- CareFirst EPO
- Kaiser Maryland Medicaid MCO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Choice POS II Open Access
- Kaiser Permanente Flexible Choice POS Cardiac Global
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst Administrators
- Medicare Advantage - Advantra Value (PPO)
- United Healthcare Options (PPO)
- WellPoint Maryland - Maryland Health Choice
- CIGNA HMO Open Access
- Aetna Signature Administrator PPO/TPA
- Choice POS
- Aetna Traditional Choice (PPO)
- Aetna Medicare Advantage HMO & PPO Plans
- UnitedHealthcare and AARP Medicare Complete Plans
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Aetna Quality Point of Service (POS)
- Choice Fund PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna VA Exchange
- Anthem Federal Employee Program Standard
- Coventry Health Care of Virginia
- MedStar Family Choice DC Healthcare Alliance
- Medicare Direct
- TRICARE East Prime
- United Healthcare Navigate Cardiac Global
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- First Health PPO
- Health Services for Children with Special Needs
- NYC Medicare Advantage Plus
- Aetna Advantage 6350PD
- CareFirst Dual Prime HMO-SNP
- CIGNA HMO & Network (HMO)
- CareFirst Blue Choice Opt Out Open Access
- CareFirst Maryland Point of Service Plan
- Anthem BCBS Medi Blue Dual Adv
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Uniformed Services Family Health Plan
- United Healthcare Select Plus (POS)
- United Healthcare Community Plan - VA Medicaid MCO
- Aetna Open Choice (PPO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- DC/MD SHOP QHP Small Business Plans
- Kaiser Permanente Signature - Added Choice
- Police and Fire Clinic
- Navigate
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- IH-EPO Plus
- Optimum Choice
- M.D. IPA Preferred (POS)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-Network Only Plus
- IH-POS Plus
- IH-PPO
- Aetna Medicare Advantage PFFS Plan
- CareFirst Community Health Plan of MD
- Magellan Complete Care of VA - VA Medicaid MCO
- CIGNA PPO
- CareFirst FEP Blue Focus
- Kaiser Permanente Select - Added Choice
- United Healthcare Select HMO - EPO/NPP
- Geisinger Medicare Advantage
- Core Essential (HMO)
- First Health PPO
- Coventry of Delaware HMO/PPO
- Select HMO/HealthFund/Health Network
- Anthem BCBS of VA HealthKeepers (HMO)
- Humana Medicare Advantage - HMO Open Access
- IH-Open EPO Plus
- BlueChoice Open Access
- Tricare Reserve Select
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Kaiser Permanente Medicare Plus
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst Maryland Indemnity or PPO
- CareFirst MedStar Select PPO
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Managed Choice (POS)
- Aetna Student Health Insurance
- Network OA
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- TriWest Healthcare Alliance
- AmeriHealth Caritas DC Healthy Families
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