Megan Marie Lockwood, MD| Internal Medicine, Rheumatology | MedStar Health

Megan Marie Lockwood, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (117 reviews)

Specialities: Internal Medicine, Rheumatology

Languages: English


About me

Dr. Megan Lockwood is a rheumatologist and Assistant Professor of Medicine at Georgetown University.

Dr. Lockwood cares for patients with all types of rheumatic disease, with expertise in the diagnosis and treatment of disorders such as systemic lupus erythematosus, vasculitis, and rheumatoid arthritis.  Dr. Lockwood's clinical and research interests are in systemic lupus erythematosus, pregnancy in rheumatic disease, antiphospholipid syndrome, and osteoporosis.

Dr. Lockwood sees patients in the rheumatology practice at Medstar Georgetown University Hospital where she is the director of the Lupus Program.  She is actively involved in clinical research trials to investigate therapies for systemic lupus erythematosus and systemic sclerosis.

Nationally, Dr. Lockwood is actively involved with the American College of Rheumatology (ACR).  She currently serves on the national taskforce developing vaccination guidelines for patients with rheumatic disease.  She was previously a member of the ACR’s Fellows-in-Training Subcommittee, part of the Committee on Training and Workforce.  She previously served as Associate Editor of Rheumatology for

Dr. Lockwood is from Portland, Oregon and attended Portland State University, where she earned a bachelor’s degree with Honors in Biology with minors in Chemistry and Physics and served as a volunteer with AmeriCorps.  She then served in the United States Peace Corps as a science teacher in rural Ghana for over two years.  She earned her medical degree at Case Western Reserve University, where she was inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Lockwood completed residency in internal medicine at University of California, San Francisco (UCSF), where she also served as the external UCSF chief resident at Kaiser Permanente San Francisco.  Dr. Lockwood completed her rheumatology fellowship training at Massachusetts General Hospital, the largest teaching hospital of Harvard Medical School, where she continues in her role as online teaching faculty for the Training-to-Teachers program.

Clinical areas of focus

  • Arthritis
  • Gout
  • Myositis
  • Osteoarthritis
  • Rheumatoid Arthritis
  • Scleroderma
  • Sjogrens
  • Spondyloarthropathy
  • Systemic Lupus Erythematosus
  • Vasculitis
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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
  • Cogan's Syndrome (CS)
  • Cranial Arteritis
  • Crest
  • Cryoglobulinemia
  • 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 Myopathy
  • 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
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Procedures I perform

  • Antinuclear Antibody (ANA) Blood Test
  • Biologic Therapy For Rheumatologic Diseases
  • Joint Injection
  • Non Surgical Management Of Osteoarthritis
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Practice locations

Distance from Change LocationEnter your Location

3800 Reservoir Road Northwest
Pasquerilla Healthcare Center 2nd Fl
Washington, DC, 20007


Fax 877-680-8194

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miles away

Fax 877-680-8194


MedStar Medical Group accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Medical Group, please call your insurance company.

  • List of insurance plans we accept
    • Innovation Health: POS
    • United Healthcare Core Essential (HMO)
    • Aetna Traditional Choice (PPO)
    • Aetna Open Choice (PPO)
    • Network OA
    • Choice POS & Choice POS II
    • PPO and PPO Plus
    • Blue Choice Advantage & Healthy Blue (HMO, POS)
    • Choice Fund PPO
    • Aetna Managed Choice Open Access (POS)
    • Innovation Health: Open POS Plus
    • Innovation Health: POS Plus
    • Open HMO
    • Aetna Innovations: HMO & EPO Plus
    • CIGNA HMO Open Access (OA)
    • Aetna HMO
    • United Healthcare Choice
    • Open EPO Plus
    • POS OA & OA Plus
    • Open POS II
    • Innovation Health: Indemnity
    • Optimum Choice
    • BlueChoice Open Access
    • CFBSBC Blue Preferred PPO
    • Select HMO/HealthFund/Health Network
    • Opoen HMO Option
    • CFBCBS Blue Choice Opt Out Open Access
    • Aetna Elect Choice/ Open Access (POS)
    • United Healthcare Compass (HMO)
    • Aetna Managed Choice (POS)
    • Innovation Health: Open Network Only Plus
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • HealthyBlue PPO
    • Innovation Health: PPO
    • United Healthcare Navigate
    • Great-West Healthcare POS/CIGNA
    • United Healthcare Choice Plus
    • CFBCBS (NCA) Indemnity
    • United Healthcare Select HMO - EPO/NPP
    • Private Health Care Systems (PHCS) (PPO)
    • Coventry Health Care National Network PPO
    • United Healthcare Select Plus (POS)
    • MedStar Select (MedStar Associates' Plan)
    • CFBCBS Federal Employee Program (Std. & Basic PPO)
    • Optimum Choice Preferred (POS) & OCI Direct (HMO)
    • CIGNA HMO & Network (HMO)
    • OneNet PPO, Inc.
    • Aetna Quality Point of Service (POS)
    • Tricare for Life (Medicare Supplemental Plan)
    • Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus
    • CFBCBS BlueChoice HMO
    • M.D. IPA Preferred (POS)
    • Tricare Standard
    • Tricare Prime
    • MedStar Medicare Choice
    • United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)
    • CFBCBS Blue Choice Opt Out Plus Open Access (POS)
    • CFBCBS Maryland Indemnity or PPO
    • Coventry Health Care of Virginia
    • Coventry of Delaware HMO/PPO
    • M.D. IPA (HMO)
    • Tricare Extra (Indemnity)
    • Aetna Student Health Insurance
    • Aetna Worker's Compensation Network
    • CIGNA POS/Network POS
    • Mamsi Life & Health (Indem./PPO)
    • CFBCBS Maryland Point of Service Plan (MPOS)
    • MedStar Family Choice - Maryland Health Choice
    • United Student Resources
    • Aetna USAccess (POS)
    • First Health PPO
    • CIGNA Indemnity
    • Aetna Medicare Advantage HMO & PPO Plans


Board Certification: American Board of Internal Medicine, Internal Medicine

Board Certification: American Board of Internal Medicine, Rheumatology

Fellowship Program: Massachusetts General Hospital (2021)

Residency Program: University of California San Francisco (2018)

Medical School: Case Western Reserve University (2015)

News and publications

  1. Bass AR, Chakravarty E, Akl EA, Bingham CO, Calabrese L, Cappelli LC, Johnson SR, Imundo LF, Winthrop KL, Arasaratnam RJ, Baden LR, Berard R, Bridges SL Jr, Cheah JTL, Curtis JR, Ferguson PJ, Hakkarinen I, Onel KB, Schultz G, Sivaraman V, Smith BJ, Sparks JA, Vogel TP, Williams EA, Calabrese C, Cunha JS, Fontanarosa J, Gillispie-Taylor MC, Gkrouzman E, Iyer P, Lakin KS, Legge A, Lo MS, Lockwood MM, Sadun RE, Singh N, Sullivan N, Tam H, Turgunbaev M, Turner AS, Reston J. 2022 American College of Rheumatology Guideline for Vaccinations in Patients With Rheumatic and Musculoskeletal Diseases. Arthritis Rheumatol. 2023 Jan 4.  Epub ahead of print. 

  2. Lockwood MM, Wallwork RS, Lima K, Dua AB, Seo P, Bolster MB. Telemedicine in Adult Rheumatology: In Practice and in Training. Arthritis Care Res (Hoboken). 2022 Aug;74(8):1227-1233. 

  3. Stone JH, Frigault MJ, Serling-Boyd NJ, Fernandes AD, Harvey L, Foulkes AS, Horick NK, Healy BC, Shah R, Bensaci AM, Woolley AE, Nikiforow S, Lin N, Sagar M, Schrager H, Huckins DS, Axelrod M, Pincus MD, Fleisher J, Sacks CA, Dougan M, North CM, Halvorsen YD, Thurber TK, Dagher Z, Scherer A, Wallwork RS, Kim AY, Schoenfeld S, Sen P, Neilan TG, Perugino CA, Unizony SH, Collier DS, Matza MA, Yinh JM, Bowman KA, Meyerowitz E, Zafar A, Drobni ZD, Bolster MB, Kohler M, D'Silva KM, Dau J, Lockwood MM, Cubbison C, Weber BN, Mansour MK; BACC Bay Tocilizumab Trial Investigators. Efficacy of Tocilizumab in Patients Hospitalized with Covid-19. N Engl J Med. 2020 Dec 10;383(24):2333-2344. 

  4. Lockwood MM, Miloslavsky E. What is Rheumatoid Arthritis? In: Bolster MB and Stern TA, eds. Facing Rheumatoid Arthritis. Boston: Massachusetts General Hospital Psychiatry Academy; 2020. 

  5. Shakil S, Lockwood M, Grady D. Persistence of Sexual Harassment and Gender Bias in Medicine Across Generations-Us Too. JAMA Intern Med. 2018 Mar 1;178(3):324-325. 

  6. Lockwood MM, O'Malley PG. Admitting What We Do Not Know in Rheumatologic Disease: The First Step Toward Learning More. JAMA Intern Med. 2018 May 1;178(5):722-723. 

  7. Lockwood MM, Graf, JD. Approach to Rheumatology Labs. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  8. Lockwood MM, Goglin SE. Approach to Joint Pain. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  9. Lockwood MM, Goglin SE. Rheumatoid Arthritis. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  10. Lockwood MM, Goglin SE. Systemic Lupus Erythematosus. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  11. Lockwood MM, Senter C. Osteoarthritis. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  12. Lockwood MM, Askin E. Oral Corticosteroids. In UCSF Hospitalist Handbook, 4th Edition, edited by Mookherjee S, Lai C, Rennke S. San Francisco: UCSF press, 2018.

  13. Lockwood MM, Gensler LS. Nonradiographic axial spondyloarthritis. Best Pract Res Clin Rheumatol. 2017 Dec;31(6):816-829. 

  14. Lockwood MM, Smith GA, Tanenbaum J, Lubelski D, Seicean A, Pace J, Benzel EC, Mroz TE, Steinmetz MP. Screening via CT angiogram after traumatic cervical spine fractures: narrowing imaging to improve cost effectiveness. Experience of a Level I trauma center. J Neurosurg Spine. 2016 Mar;24(3):490-5.

  15. Alvin MD, Miller JA, Sundar S, Lockwood M, Lubelski D, Nowacki AS, Scheman J, Mathews M, McGirt MJ, Benzel EC, Mroz TE. The impact of preoperative depression on quality of life outcomes after posterior cervical fusion. Spine J. 2015 Jan 1;15(1):79-85.

  16. Lockwood M, Giraldi E. Commentary on "Rickenbacher et al. Fundoplication versus medical management of gastroesophageal reflux disease: systematic review and meta-analysis." Surg Endosc. doi: 10.1007/s00464-013-3140-z. Surg Endosc. 2014 Jun;28(6):2001.

  17. Eakin K, Baratz-Goldstein R, Pick CG, Zindel O, Balaban CD, Hoffer ME, Lockwood M, Miller J, Hoffer BJ. Efficacy of N-acetyl cysteine in traumatic brain injury. PLoS One. 2014 Apr 16;9(4).

Ratings and reviews

  • Provider explained things understandably

  • Provider listened carefully

  • Provider knew medical history

  • Provider showed respect

  • Provider spent enough time with patient

  • Nov 22, 2022

    The care and attention displayed as we discussed changing my meds

  • Nov 16, 2022

    Dr Lockwood is very knowledgeable and compassionate.

  • Nov 8, 2022

    Dr. Lockwood went beyond my arthritis and was concerned with bruising around my eye and ordered x-rays of my face to rule out a fracture.