Ian Thomas Greenwalt, MD| Breast Surgery | MedStar Health

Ian Thomas Greenwalt, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (219 reviews)

Specialities: Breast Surgery

Languages: English

About me

Ian T. Greenwalt, MD, is a board certified breast surgeon practicing in the MedStar Breast Health Program at MedStar Georgetown University Hospital. A graduate of Boston College, Dr. Greenwalt received his medical degree from Drexel University College of Medicine. He completed his general surgery residency at University Hospitals Cleveland Medical Center/Case Western Reserve University. Dr. Greenwalt then completed a fellowship in breast oncologic surgery at MedStar Georgetown University Hospital and Medstar Washington Hospital Center.

Dr. Greenwalt specializes in management of both malignant and benign breast disease. Through the combination of minimally invasive surgical techniques and advanced oncoplastic skills, he strives to provide his patients with high-quality, comprehensive, multidisciplinary care.

Dr. Greenwalt has published papers and book chapters focusing on safety and efficacy of outpatient mastectomy with reconstruction, disparities in breast cancer care and the development of personalized breast cancer care. His research interests center on improving post-operative pain management through multi-modality pain control, lymphedema reduction and employing nerve-sparing operative techniques.

Additionally, Dr. Greenwalt is a passionate teacher, committed to educating medical students, residents and fellows as well as helping his patients understand their disease processes in order to make thoughtful, informed decisions in their care. He is an active member of the American College of Surgeons, the American Society of Breast Surgeons, and the Society of Surgical Oncology.

Clinical areas of focus

  • Breast Cancer
  • Carcinoma In Situ Of Breast
  • Ductal Carcinoma In Situ (DCIS)
  • Her2neu Receptor
  • Inflammatory Breast Cancer
  • Invasive Breast Cancer
  • Metastatic Breast Cancer
  • Triple Negative Breast Cancer
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Conditions and procedures

Conditions I treat

  • Abnormal Mammogram
  • Atypical Ductal Hyperplasia
  • Atypical Lobular Hyperplasia
  • Atypical Papilloma
  • Axillary Mass
  • Benign Breast Lump
  • Breast Abscess
  • Breast Cancer
  • Breast Cyst
  • Breast Diseases
  • Breast Lump
  • Breast Thickening
  • Carcinoma In Situ Of Breast
  • Contusion Of Breast
  • Dense Breast
  • Ductal Carcinoma In Situ (DCIS)
  • Dysplasia Of Breast
  • Er Positive Breast Cancer
  • Family History Of Breast Cancer
  • Fibroadenoma
  • Fibrocystic Breast Changes
  • Galactocele
  • Galactorrhea
  • Gynecomastia
  • Her2neu Receptor
  • Hereditary Breast And Ovarian Cancer
  • History Of Breast Cancer
  • History Of Fibrocystic Disease
  • Hypopigmented Nipple Lesions
  • Inflammatory Breast Cancer
  • Invasive Breast Cancer
  • Lobular Carcinoma In Situ (LCIS)
  • Male Breast Cancer
  • Mammary Duct Ectasia
  • Mammary Dysplasia
  • Mastitis
  • Mastodynia
  • Mastopathy
  • Metastatic Breast Cancer
  • Microcalcifications
  • Mondor's Disease
  • Nipple Discharge
  • Nipple Diseases
  • Nipple Fissure
  • Nipple Lesions
  • Paget's Disease Of The Breast
  • Postpartum Mastitis
  • Triple Negative Breast Cancer
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Procedures I perform

  • Aspiration Breast Cyst
  • Axillary Lymphadenectomy
  • Bloodless Breast Surgery
  • Breast Biopsy
  • Breast Cancer Follow Up
  • Breast Cancer Surgery
  • Breast Conservation
  • Breast Examination
  • Breast Fine Needle Aspiration
  • Breast Surgery
  • Cancer Risk Reduction Surgery
  • Core Needle Biopsy Of Breast
  • Intraoperative Radiation Therapy
  • Lumpectomy
  • Male Breast Reduction
  • Mastectomy
  • Mastotomy
  • Nipple Sparing Mastectomy
  • Oncoplastic Breast Surgery
  • Open Breast Biopsy
  • Sentinel Lymph Node Biopsy
  • Sentinel Node Biopsy
  • Skin Sparing Mastectomy
  • Ultrasound Guided Breast Biopsy
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Practice locations

Distance from Change LocationEnter your Location

5454 Wisconsin Avenue
Suite 1100
Chevy Chase, MD, 20815

301-215-9420

Fax 301-215-4470

Get Directions

miles away

Fax 301-215-4470

3800 Reservoir Road Northwest
Betty Lou Ourisman Breast Center
Washington, DC, 20007

202-295-0560

Fax 877-376-2420

Get Directions

miles away

Fax 877-376-2420

Insurance

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

Education

Fellowship Program: MedStar Washington Hospital Center (2020)

Residency Program: University Hospitals of Cleveland (2019)

Medical School: Drexel University College of Medicine (2014)

Ratings and reviews

  • Provider explained things understandably

    4.9
  • Provider listened carefully

    4.9
  • Provider knew medical history

    4.9
  • Provider showed respect

    4.9
  • Provider spent enough time with patient

    4.9
  • Aug 29, 2022

    Good experience

  • Aug 25, 2022

    This was my first time meeting with Dr Greenwalt. I was very impressed with how thoroughly he reviewed my case file prior to our appointment. During the visit he was respectful, compassionate, and answered all my questions clearly and completely.

  • Aug 22, 2022

    Dr. Greenwalt is warm, friendly, responsive, and reassuring!