Warren O Ferris, MD| Rheumatology | MedStar Health
About me
Dr. Ferris is board certified in rheumatology. He completed a fellowship in rheumatology at the University of Virginia.
Clinical areas of focus
- Arthritis
- Gout
- Myositis
- Osteoarthritis
- Rheumatoid Arthritis
- Scleroderma
- Sjogrens
- Spondyloarthropathy
- Systemic Lupus Erythematosus
- Vasculitis
Conditions and procedures
Conditions I treat
- Acute Arthritis
- Ankylosing Spondylitis
- Anti Neutrophil Cytoplasmic Antibodies
- Antiphospholipid Syndrome
- Aortic Arteritis
- Arthralgia
- Arthritis
- Arthritis Of Multiple Joints
- Arthropathy
- Behcet Syndrome
- Calcium Pyrophosphate Deposition Disease
- Cranial Arteritis
- Crest
- Crystalline Arthritis
- Cutaneous Vasculitis
- Dermatomyositis
- Discoid Lupus Erythematosus
- Enthesitis
- Erythema Nodosum
- Familial Mediterranean Fever
- Fibromyalgia
- Giant Cell Arteritis
- Gonococcal Arthritis
- Gout
- Granulomatosis With Polyangiitis
- Iga Vasculitis
- Igg 4 Related Diseases
- Inflammatory Polyarthropathy
- Isolated Central Nervous System Vasculitis
- Joint Disorder Of Multiple Joints
- Joint Effusion
- Joint Swelling
- Lupus Nephritis
- Macrophage Activation Syndrome
- Mixed Connective Tissue Disease
- Monoarticular Arthritis
- Myositis
- Neonatal Lupus Erythematosus
- Osteoarthritis
- Osteoporosis
- Periodic Fever Syndromes
- Polyarteritis Nodosa
- Polyarthralgia
- Polyarthropathy
- Polychondritis
- Polymyalgia Rheumatica
- Polymyositis
- Positive Antinuclear Antibody (ANA) Test
- Post Infectious Arthritis
- Pseudogout
- Psoriatic Arthritis
- Raynaud's Disease
- Reactive Arthritis
- Rheumatoid Arthritis
- Sacroiliitis
- Sarcoidosis
- Scleroderma
- Sjogrens
- Spondyloarthropathy
- Still's Disease
- Synovitis
- Systemic Lupus Erythematosus
- Systemic Scleroderma
- Tenosynovitis
- Tophus
- Undifferentiated Connective Tissue Disease
- Uveitis
- Vasculitis
Procedures I perform
- Antinuclear Antibody (ANA) Blood Test
- Biologic Therapy For Rheumatologic Diseases
- Joint Injection
- Non Surgical Management Of Osteoarthritis
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 Choice POS & Choice POS II
- D-SNP)
- Virginia Premier
- Aetna Open Choice (PPO)
- Cigna TotalCare (HMO D-SNP)
- WellPoint Maryland - Maryland Health Choice
- Medicaid - Maryland
- CareFirst (NCA) Indemnity
- Police and Fire Clinic
- Carefirst BlueChoice Opt Out Open Access
- Innovation Health: Open POS II
- Cigna HMO & Network (HMO)
- Cigna POS/Network POS
- Tricare for Life East
- Tricare East Prime
- Innovation Health: Open POS Plus
- United Select HMO - EPO/NPP
- HealthyBlue PPO
- Medicaid - District of Columbia
- Innovation Health: POS
- Uniformed Services Family Health Plan (USFHP)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- HumanaChoice Honor’s plan PPO
- CareFirst MedStar Select PPO
- Employee Health Plan (EHP)
- Carefirst BlueChoice Open Access
- Aetna Medicare Advantage HMO & PPO Plans
- Aetna HealthFund/Health Network Option OA
- Medicaid - Virginia
- Aetna Select HMO/HealthFund/Health Network
- United Choice Plus
- Private Health Care Systems (PHCS) (PPO)
- Carefirst BlueChoice Opt Out Plus Open Access (POS)
- MedStar Family Choice DC Healthy Families
- United Erickson Advantage Plans
- Tricare East Select
- Innovation Health: Open Network Only Plus
- Innovation Health: HMO & EPO Plus
- Aetna HMO
- Innovation Health: POS Plus
- United AARP Medicare Complete
- Cigna Indemnity
- Cigna POS Open Access & Open Access Plus
- Aetna Managed Choice Open Access (POS)
- Beech Street PPO
- Priority Partners - Maryland Health Choice
- Cigna HMO Open Access
- CareFirst Maryland Indemnity or PPO
- Carefirst Healthy Blue (HMO/POS)
- United Select Plus (POS)
- Traditional Medicare Fee for Service
- CareFirst Group Medicare Advantage
- Cigna True Choice Plus Medicare (PPO)
- Maryland Point of Service Plan (MPOS)
- United Navigate
- Cigna PPO and PPO Plus
- United Community Plan - Maryland Health Choice Program
- Kaiser Flexible Choice
- CareFirst BC/BS Advantage Core/Enhanced
- United Options (PPO) (includes Empire PPO)
- Cigna Alliance Medicare (HMO) |
- Aetna HMO-Open Access/Select OA
- CareFirst MedStar PPO
- Aetna Traditional Choice (PPO)
- Kaiser Select-Added Choice
- United Core Essential (HMO)
- Innovation Health: PPO
- Carefirst EPO
- Aetna Student Health Insurance
- Kaiser Signature
- WellPoint Maryland
- UnitedHealthcare Individual Exchange Plans
- United MD IPA Preferred (POS)
- Kaiser Select
- CIGNA EPO
- CareFirst Blue Card Program (Out-of-area BCBS plans)
- Cigna Choice Fund PPO
- Kaiser Medicare Plus
- Veterans Affairs Community Care Network
- United GEHA (for all other states) Compass Rose
- Carefirst Blue Preferred PPO
- Health Services for Children with Special Needs (HSCSN)
- United Medicare Advantage DSNP District of Columbia
- Kaiser Permanente Signature-Added Choice
- United Student Resources
- Aetna Signature Administrator PPO/TPA
- Aetna Managed Choice (POS)
- Cigna Achieve Medicare (HMO C-SNP)
- HumanaChoice PPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst NASCO
- Cigna True Choice Medicare (PPO)
- Aetna Quality Point of Service (POS)
- Innovation Health: Indemnity
- MedStar Family Choice DC Healthcare Alliance
- Innovation Health: Network Only Plus
- United Golden Rule
- Carefirst BlueChoice HMO
- Tricare Reserve Select
- United Optimum Choice
- Aetna Elect Choice/ Open Access (POS)
- United Optimum Choice Preferred (POS) & OCI Direct (HMO)
- United Nursing Home Plan (C-SNP
- United MD IPA (HMO)
- Aetna Open HMO/Open HMO Option/Open EPO Plus
- Federal Employee Program (Std/Basic PPO/Blue Focus)
- United Mamsi Life & Health
- United Group Medicare Advantage Plans
- Veterans Affairs Community Care Network (VA CCN)
- United Choice
- Cigna Preferred Medicare
- Kaiser HMO Plus and DHMO Plus Member
- I-SNP
- CareFirst Administrators
- Kaiser Medicare Advantage Signature and Select
- Cigna Network Open Access
- MedStar Family Choice - Maryland Health Choice
- Coventry Health Care of Virginia
- Coventry of Delaware HMO/PPO
- Great-West Healthcare POS/CIGNA
- First Health PPO
- Coventry Health Care National Network PPO
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Board Certification: American Board of Internal Medicine, Rheumatology
Fellowship Program: University of Virginia Division of Rheumatology (1983)
Fellowship Program: University of Virginia School of Medicine (1983)
Fellowship Program: National Heart Lung & Blood Institute (1982)
Residency Program: MedStar Georgetown University Hospital (1979)
Internship Program: MedStar Georgetown University Hospital (1979)
Internship Program: New York Hospital - Cornell Medical Center (1978)
Residency Program: NY-Presbyterian Hosp Cornell and Columbia Univ (1978)
Internship Program: NY-Presbyterian Hosp Cornell and Columbia Univ (1977)
Medical School: Columbia College of Physicians and Surgeons (1976)