
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Stewart, Diagnostic Radiologist in Greenwich, CT?
Dr. Sarah Stewart, MD is a Diagnostic Radiologist, who primarily practices in Greenwich, CT with 2 additional practice locations. Dr. Stewart graduated from State University of New York Upstate Medical University. Dr. Stewart is fluent in English, and is currently seeing new patients. Dr. Stewart’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Stewart’s office at (203) 861-2381.
What are Areas of Expertise for Dr. Stewart?
Dr. Sarah Stewart, MD is a highly-rated, board-certified Diagnostic Radiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Stewart empowers patients to confidently navigate their health journey, specializing in Breast Imaging, and comprehensive wellness support. Serving the Greenwich, CT community, Dr. Stewart is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Stewart go to medical school and complete their residency?
Fellowship: Yale-New Haven Hospital
Medical School: State University of New York Upstate Medical University
What languages does Dr. Stewart speak?
Dr. Stewart and their clinical team can communicate with patients in the following languages:
English
What conditions does a Diagnostic Radiologist like Dr. Stewart typically treat?
As a Diagnostic Radiologist, Dr. Stewart diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Stewart. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Breast Cancer Screening
- Health Screening
- Breast Cancer Screening (PDQ®)
- Mammogram
- Breast Exam
- Breast Cancer Check
ICD-10 Codes:
- Z1239: Encounter for other screening for malignant neoplasm of breast
Also known as:
- Unclear Mammogram
- Calcium Spots on Mammogram
- Mammography
- Mammograms
- Inconclusive breast screening
- Mammogram needs further testing
- Uncertain mammogram result
- Breast calcifications
- Mammogram calcifications
- Calcium deposits in breast
ICD-10 Codes:
- R922: Inconclusive mammogram
- R921: Mammographic calcification found on diagnostic imaging of breast
Also known as:
- Asymptomatic Menopause
- Menopause
- Menopausal Transition
- Postmenopause
- Change of Life
ICD-10 Codes:
- Z780: Asymptomatic menopausal state
Also known as:
- Abnormal Breast Imaging Results
- Mammography
- Inconclusive mammogram
- Unclear breast scan results
- Abnormal breast scan
ICD-10 Codes:
- R928: Other abnormal and inconclusive findings on diagnostic imaging of breast
Also known as:
- Other Specific Breast Disorder
- Breast Disease
- Various breast conditions
- Miscellaneous breast ailments
- Specific breast problems
ICD-10 Codes:
- N6489: Other specified disorders of breast
What procedures does a Diagnostic Radiologist like Dr. Stewart typically perform?
As a Diagnostic Radiologist, Dr. Stewart performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Stewart. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Ultrasound-Guided Breast Biopsy
- Breast Biopsy
- Percutaneous Breast Biopsy
- Breast Tissue Sample
- Breast Lesion Biopsy with Clip
CPT Codes:
- 19083: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including ultrasound guidance
Also known as:
- Breast Lesion Localization
- Breast Marker Placement
- Wire Localization Breast
- Mammographic Guided Breast Localization
CPT Codes:
- 19281: Placement of breast localization device(s) (eg, clip, metallic pellet, wire/needle, radioactive seeds), percutaneous; first lesion, including mammographic guidance
Also known as:
- Breast Biopsy with Stereotactic Guidance
- Breast Biopsy
- Stereotactic Breast Biopsy
- Image-Guided Breast Biopsy
- Percutaneous Breast Biopsy
- Breast Lesion Biopsy
CPT Codes:
- 19081: Biopsy, breast, with placement of breast localization device(s) (eg, clip, metallic pellet), when performed, and imaging of the biopsy specimen, when performed, percutaneous; first lesion, including stereotactic guidance
Does Dr. Stewart accept my insurance?
Dr. Stewart accepts most major insurance plans. Important: Please call our office at (203) 861-2381 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Stewart accept in Greenwich, CT?
Dr. Stewart in Greenwich, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Allegiance Benefit Plan Management
Cigna Group
CVS Health (formerly Aetna)
Guidewell Mutual Holding Corporation
Humana
Medicare
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Stewart's office located?
What is Dr. Stewart's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Stewart's National Provider Identifier (NPI) number is 1770567216.
What common questions do patients ask about Dr. Stewart?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Stewart
What is Dr. Sarah Stewart's specialty?
Dr. Stewart is a Diagnostic Radiologist near Greenwich, CT.
What does a Diagnostic Radiologist do?
A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions.
Is this Dr. Sarah Stewart affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Stewart is affiliated with Greenwich Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Diagnostic Radiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Diagnostic Radiologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Sarah Stewart accepting new patients in Greenwich, CT?
Yes, Dr. Sarah Stewart is accepting new patients at this time.
Does Dr. Sarah Stewart offer online booking?
Please contact Dr. Stewart's office at (203) 861-2381 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Sarah Stewart?
Please contact Dr. Stewart's office at (203) 861-2381 for information regarding telehealth appointment availability or for scheduling assistance.
Other Diagnostic Radiologist Near Greenwich, CT

Diagnostic Radiologist
Dr. Kapil Desai, MD is a Diagnostic Radiologist, who primarily practices in Greenwich, CT with 2 additional practice locations. He has been practicing for over 16 years and is board certified.
Greenwich, CT

Diagnostic Radiologist
Dr. Scott Sullivan, MD is a Diagnostic Radiologist, who primarily practices in Greenwich, CT with 1 additional practice location. He has been practicing for over 28 years and is board certified.
Greenwich, CT
KS
Diagnostic Radiologist
Dr. Kameron Shahid, MD is a Diagnostic Radiologist, who primarily practices in Guilford, CT with 1 additional practice location.
Guilford, CT