NEED
ANSWERS
FAST?
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Worried about a breast symptom or abnormal scan?
- Breast lump
- Breast pain
- Nipple discharge
- Skin changes
- Any new or worrying breast symptom
- Abnormal mammogram or MRI
- BI-RADS 0, 4, or 5
- “Call back” or “need more imaging”
“They treated me like a person—actually listening to me.
“You shouldn’t be fighting for care and fighting with scheduling.”
“I didn’t know getting answers this fast was even possible.”
“This is peace of mind. Within minutes I was scheduled.”
“They’ll hold your hand the whole way.”
“You shouldn’t be fighting for care and fighting with scheduling.”
“I didn’t know getting answers this fast was even possible.”
“This is peace of mind. Within minutes I was scheduled.”
“They’ll hold your hand the whole way.”
“They treated me like a person—actually listening to me.
From fear to answers — in days, not months.
With Defiant, you get:
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Speak with a breast health expert who listens and creates your action plan.
We fast-track your mammogram, ultrasound, MRI, or biopsy. Imaging as soon as next day—typically within 1 week.
You’ll understand your results and next steps — in plain, human language.
75% of biopsies are benign, but if you need one, we make it quick and seamless.
Choose the right oncology team and get started on necessary tests.
Talk to clinicians who truly get it.
Christina Palmer, MD
Dr. Christina Palmer is a board-certified primary care physician with over a decade of experience. She’s dedicated to making expert care more accessible, focusing on early detection, prevention, and timely treatment—especially for complex conditions and cancer care. She combines primary care with the latest technology to help patients get answers faster.
She earned her medical degree from the University of Pennsylvania and trained at UCSF. Licensed nationally, she’s committed to guiding patients through every stage of their health journey.
Outside of work, Dr. Palmer enjoys hiking, running, and spending time with her family.
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Payal Srinivasa, MD, MHCID
Dr. Payal Srinivasa is a board-certified OB/GYN and physician leader with 15 years of experience. She’s passionate about improving patient access to high-quality, evidence-based care, with a focus on trauma-informed care and health equity.
She has helped patients through life’s most joyful and challenging health experiences and is an advocate for using technology to enhance care—without losing the human touch.
Dr. Srinivasa earned her medical degree from Boston University and a Master’s in Health Care Innovation from the University of Pennsylvania. She’s received awards for patient experience and medical education.
When she’s not working, she enjoys cooking, traveling with her family, and running (slowly!).
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Co-Founded by Dana-Farber Cancer Institute—a global leader in cancer care
This partnership leverages Dana-Farber's leading clinical standards and brings that expertise directly to your care with Defiant—ultimately working to advance Dana-Farber’s mission to make world-class cancer care accessible to all patients, wherever they are. All clinical services are provided by Defiant Health and its partners.
- Immediate access to breast health specialists
- Fast-tracked imaging
- White-glove support and coordination
Imaging and tests billed separately through insurance.
- Same-day consultation
- Faster imaging
- Step-by-step guidance
- Help with logistics and paperwork
- Faster biopsy and diagnosis
- Direct support finding the right oncology team