Warren O Ferris, MD| Rheumatology | MedStar Health
Print this profile
Warren O Ferris

Warren O Ferris, MD
Provider is directly employed by MedStar Health

4.7 out of 5 (1253 reviews)

Specialties: Rheumatology

Languages: English

301-598-1569

About me

Dr. Ferris is board certified in rheumatology. He completed a fellowship in rheumatology at the University of Virginia.

Clinical areas of focus

  • Ankylosing Spondylitis
  • Bursopathy
  • Fibromyalgia
  • Osteoporosis
  • Rheumatoid Arthritis
  • Rheumatology Consultation
  • Rheumatology Treatment
  • Sjogrens Screening
  • Systemic Lupus Erythematosus Treatment
  • Tendinitis
  • Vasculitis Treatment
  • Vitiligo Treatment
Show More

Conditions and procedures

Conditions I treat

  • Acantholytic Disorders
  • Achilles Tendon Pain
  • Ankylosing Spondylitis
  • Artery Disorders
  • Arthritis
  • Autoinflammatory Syndrome
  • Axial Spondyloarthritis
  • Bleeding Disorders
  • Bone Density Disorder
  • Bursopathy
  • Cartilage Disorder
  • Chronic Gout
  • Chronic Gouty Arthritis
  • Connective Tissue Disorders
  • Deforming Dorsopathies
  • Dermatomyositis
  • Disorders Involving The Immune Mechanism
  • Elevated Erythrocyte Sedimentation Rate
  • Enteropathic Arthritis
  • Enteropathic Arthropathies
  • Enthesopathies
  • Enthesopathy Of Lower Limb
  • Episcleritis
  • Fibromyalgia
  • Flexor Tendonitis
  • Hemorrhagic Conditions
  • Immunodeficiencies
  • Inflammatory Myositis
  • Inflammatory Spondylopathies
  • Interstitial Lung Disease
  • Joint Derangement
  • Joint Derangement Of Knee
  • Joint Disorder
  • Knee Pain
  • Limb Deformity
  • Long Term Drug Therapy
  • Lower Leg Injury
  • Lupus Nephritis
  • Multiple Myeloma Of The Spine
  • Multiple Sclerosis
  • Necrotizing Vasculopathies
  • Nervous And Musculoskeletal Symptoms
  • Orbit Disorders
  • Osteoarthritis
  • Osteoarthritis Of First Carpometacarpal Joint
  • Osteoarthritis Of Hand Joints
  • Osteoarthritis Pain
  • Osteoporosis
  • Peripheral Vascular Diseases
  • Personal History Of Diseases And Conditions
  • Plantar Fasciitis
  • Polyosteoarthritis
  • Psoriasis
  • Retinal Disease
  • Rheumatic Fever With Heart Involvement
  • Rheumatoid Arthritis
  • Rheumatoid Arthritis With Rheumatoid Factor
  • Scleroderma
  • Septic Arthritis Of The Hip
  • Shoulder Disorder
  • Sjogren's Syndrome
  • Skin And Subcutaneous Tissue Disorders
  • Skin Changes
  • Spondylopathies
  • Spondylosis
  • Systemic Connective Tissue Involvement
  • Systemic Lupus Erythematosus
  • Tendinitis
  • Thumb Synovitis
  • Vasculitis Of Skin
Show All Show Less

Procedures I perform

  • Antinuclear Antibody (ANA) Test
  • Anxiety Management
  • Arthrocentesis
  • Balance And Coordination Training
  • Bone Density Testing
  • Bursitis Treatment
  • Cervical Epidural Steroid Injection
  • C-Reactive Protein (CRP) Test
  • Dupuytren Contracture Treatment
  • Electrical Nerve Stimulation
  • Erythrocyte Sedimentation Rate
  • Fatigue Management
  • Ganglion Cyst Treatment
  • Geriatric Sleep Disorder Treatment
  • Hand Therapy
  • Lifestyle Counseling
  • Mep (MOTOR EVOKED POTENTIALS)
  • Muscle Biopsy
  • Muscle Injection
  • Musculoskeletal Ultrasound
  • Nutrition Counseling
  • Occupational Therapy Evaluation
  • Orthopedic Physical Therapy
  • Osteoporosis Risk Assessment
  • Pain Medication Management
  • Paraffin Wax Bath
  • Physical Therapy Modalities
  • Rheumatology Consultation
  • Rheumatology Treatment
  • Sjogrens Screening
  • Stem Cell Therapy
  • Synthetic Pathology
  • Systemic Lupus Erythematosus Treatment
  • Tendonitis Treatment
  • Tension Headache Treatment
  • Therapeutic Activities
  • Therapeutic Exercises
  • Tissue Transglutaminase Antibody Test
  • Trigger Point Injection
  • Ultrasound-Guided Cyst Aspiration
  • Vasculitis Treatment
  • Vasopneumatic Devices
  • Visian Icl
  • Vitiligo Treatment
  • Weight Management Program
Show All button Press enter to expand Show Less

Practice locations

Distance from Change Location Enter your Location

3305 N Leisure World Blvd
Silver Spring, MD, 20906

301-598-1590
Get Directions

miles away

Fax 301-598-1569

Insurance

This list represents the major payors accepted by MedStar Health.

NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card.

*Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.

  • List of insurance plans we accept
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Cigna Health Care
    • Kaiser Permanente*
    • MedStar Select (Administered by CareFirst)
    • United HealthCare
    • Aetna
    • CareFirst BlueCross BlueShield of Maryland
    • Healthspring
    • Humana
    • Medicare & Railroad Medicare
    • United HealthCare
    • Aetna Better Health of Maryland *
    • Medical Assistance/Medicaid
    • MedStar Family Choice MD
    • Priority Partners *
    • United HealthCare Community Health Plan MD
    • Wellpoint MD
    • AmeriHealth Caritas
    • Health Services For Children With Special Needs (HSCSN)
    • Medical Assistance/Medicaid
    • MedStar Family Choice DC
    • Johns Hopkins Employer Health Programs *
    • Johns Hopkins US Family Health Plan *
    • MultiPlan
    • Private Healthcare Systems
    • Tricare/Humana Military
    • VA Community Care Network (VACCN)

Education

Board Certification: American Board of Internal Medicine, Internal Medicine

Board Certification: American Board of Internal Medicine, Rheumatology

Fellowship Program: University of Virginia Medical Center (1983)

Fellowship Program: National Heart Lung & Blood Institute (1982)

Residency Program: MedStar Georgetown University Hospital (1979)

Residency Program: New York Hospital - Cornell Medical Center (1978)

Internship Program: New York Hospital - Cornell Medical Center (1977)

Medical School: Columbia University (1976)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.7
  • Extent to which the care provider listened to you

    4.7
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.7
  • Provider included you in decisions

    4.6
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.6
  • Jun 29, 2026

    Good and Thanks.

  • Jun 10, 2026

    Improved listening and compassion

  • Apr 29, 2026

    Everything was good