Time
Longer, unhurried conversations allow your physician to listen carefully and understand the full story.
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Precision Medicine · Scottsdale, Arizona
Exceptional Medicine.
Deeply Personal Care.
Personalized concierge and precision medicine led by former Mayo Clinic physicians with more than 20 years of Mayo Clinic experience—combining advanced diagnostics, prevention and integrative expertise with truly personal care.
Former Mayo Clinic physicians · 20+ years of Mayo Clinic experience
A limited practice. An expansive view of your health.
20+Years as Mayo Clinic
staff physicians
staff physicians
100–150Patients per
physician
physician
2Experienced, board-certified
physicians
physicians
1Plan centered
entirely on you
entirely on you
Precision medicine, personally delivered
Medicine should feel
this personal.
The best care begins with time: time to listen, time to investigate and time to understand the whole person.
Know your doctor. And know that your doctor knows you.
We bring the rigor developed over more than two decades as Mayo Clinic physicians to an intentionally limited private practice. Your history, physiology, advanced testing and goals are brought together into one precise, evolving plan—enhanced by thoughtfully selected functional and integrative approaches.
Why our model is different ↗A different level of care
Built around what medicine needs most.
Insight
Deep clinical experience and advanced diagnostics connect details that fragmented care can miss.
Relationship
Continuity creates trust, and trust makes it possible to build a health strategy that evolves with you.
Care, elevated
More time.
More insight.
More connection.
Designed for conversation, not rushed appointments.
Comprehensive Concierge Primary Care
Unhurried visits, thoughtful follow-through and direct access to physicians who truly know you.
Explore this care ↗Executive Health Evaluations
A physician-led evaluation shaped around your schedule, priorities, performance and long-term health.
Explore this care ↗Advanced Cardiovascular Assessment
Cleerly imaging and advanced biomarkers can reveal cardiovascular risk before symptoms interrupt your life.
Explore this care ↗Cancer Screening & Early Detection
Whole-body MRI and Galleri testing add carefully selected layers to an individualized prevention strategy.
Explore this care ↗Genomics & Precision Medicine
Genetic insight, history and advanced testing become a clear plan designed around your biology.
Explore this care ↗Headache & Migraine Care
Specialty expertise connects neurologic, hormonal, lifestyle and functional factors to pursue lasting relief.
Explore this care ↗Our philosophy
The best of modern and integrative medicine.
Every recommendation—whether a diagnostic test, medication, procedure, nutritional strategy or supplement—is evaluated for safety, evidence, value and fit with your personal priorities.
Explore our clinical approach ↗Your physicians
Experience you can trust.
Care you can feel.
Two physicians with decades of experience, united by a shared belief that exceptional medicine begins with listening.
Family & Integrative Medicine
Angela O’Neil, MD
Family medicine, women’s health, integrative medicine and mind-body approaches.
Meet Dr. O’Neil ↗
Family & Headache Medicine
Robert D. Sheeler, MD
Family medicine, precision prevention, headache medicine and integrative care.
Meet Dr. Sheeler ↗“We created Next Level to practice medicine the way we believe it should be practiced—with time, curiosity, continuity and genuine personal connection.”
The Next Level experience
Designed around
your comfort.
Our Scottsdale clinic was created to feel calm, warm and personal—from the moment you arrive through every unhurried conversation with your physician.
Visit our Scottsdale clinic ↗
Patient experiences
What personal care feels like.
“Dr. O’Neil always took the time needed to understand my medical concerns. I never felt rushed. I always felt like she cared about me and really wanted to help me.”
“She takes the time to listen and truly hear you as a patient. I couldn’t ask for a better physician to care for me.”
“Their extensive history at Mayo Clinic, breadth of knowledge and personal bedside manner made this practice a wonderful game changer for our whole family.”
Health insights
Clarity for a healthier future.
Concierge Medicine vs. Traditional Primary Care in Scottsdale: What’s the Real Difference?
Read insight ↗Executive Health Redefined: How Concierge Care Empowers High Achievers in Scottsdale
Read insight ↗Headache & Migraine Relief in Scottsdale: A Concierge, Integrative & Precision Approach
Read insight ↗Begin a conversation
Discover whether Next Level
is right for you.
We welcome the opportunity to learn about your health priorities and explain how our approach works.
Schedule a Private Conversation9977 N 90th Street, Suite 230 · Scottsdale, AZ 85258