Dedicated physicians,
personalized
care.

Dedicated physicians,
personalized care.

[ Scroll to Explore ]

Doctor holding patient’s hand in a reassuring gesture during a medical visit.

Our physicians combine decades of expertise with a deeply personal approach, delivering care that’s as compassionate as it is comprehensive.

Doctor using stethoscope to listen to patient’s abdomen during a health exam.
Close-up of two people holding hands in a comforting, supportive gesture.

Meet your physicians

Our team is committed to caring for the whole person, not just treating symptoms. Together, we bring deep experience and a shared philosophy of patient-centered medicine. This is where lasting relationships begin, and trust grows over time.

Medicine that feels
personal, because it is.

Professional headshot of smiling man in blue blazer and striped shirt.
Professional headshot of smiling man wearing glasses, suit, and tie.
Professional headshot of smiling woman in light blazer and dark top.
Professional headshot of smiling man in light purple shirt and dark tie.
Professional headshot of smiling woman with long hair wearing a black top.
Professional headshot of smiling woman wearing glasses and beige sweater.
Professional headshot of smiling man in blazer and button-down shirt.
Professional headshot of smiling man in blue blazer and striped shirt.

Jordan Busch, MD, FACP

Founder & Internal Medicine

Professional headshot of smiling man wearing glasses, suit, and tie.

Steven Flier, MD, FACP

Founder & Internal Medicine

Professional headshot of smiling woman in light blazer and dark top.

Nancy Corliss, MD, FACP

Internal Medicine

Professional headshot of smiling man in light purple shirt and dark tie.

James Levine, MD, FACP

Internal Medicine

Professional headshot of smiling woman with long hair wearing a black top.

Martha Wu, MD, FACP

Internal Medicine

Professional headshot of smiling woman wearing glasses and beige sweater.

Kristina Stjernfeldt, MD

Internal Medicine

Professional headshot of smiling man in blazer and button-down shirt.

David Shein, MD

Internal Medicine

Learn more

A relationship that
grows with you.

Our physicians guide you through every stage of health — from preventive care to chronic disease management. With one physician relationship at the center, you’ll always have the right doctor by your side.

Doctor consulting with patient during medical appointment in exam room.

From pioneers to trusted advisors.

Doctor in white coat reviewing patient chart with stethoscope on desk.

As one of the first concierge medical practices in the country, PPHC set a new standard for personalized medicine. Today, we continue that mission with a practice rooted in a strong and accessible patient-physician relationship.

Doctor reviewing medical paperwork and holding a pen during patient assessment.

Our approach to care

The best care begins with understanding your whole story. We take time to learn your history, your goals, and your family’s needs — offering proactive, comprehensive care that’s there when you need it most.

Excellence in care,

delivered personally.

Primary Care & Prevention

Annual wellness exams, preventive screenings

Specialist Collaborations

Pulmonary function testing, grip strength and fragility assessments

Access & Continuity of Care

24/7 physician access, same-day appointments

Diagnostics & Testing

DEXA bone density & body composition scans, partnerships with Prenuvo full-body MRI and Galleri blood test

Wellness & Lifestyle Medicine

Nutrition guidance, fitness consultations, coordinated care

Your physician leads your care, supported by specialists and wellness partners. This network ensures access to proper care at the right time.

20+ Years

Caring for our community for more than two decades.

7 Physicians

Board-certified experts delivering personal medicine.

24/7 Access

Same-day visits and direct communication anytime.

Extensive Network

Connections with world-class specialists in MA and beyond.

Affiliations

With Beth Israel Deaconess Medical Center (BIDMC), Brigham and Women’s Hospital (BWH), and Newton-Wellesley Hospital (NWH).

Trusted resources

Healthcare professional checking patient’s blood pressure with a manual cuff.

Local Specialists Network

A broad network of trusted specialists ensuring coordinated care for every need.

Doctor discussing MRI results with patient beside medical imaging machine.

Hospital Affiliations

Preferred partnerships with leading hospitals to ensure seamless care when you need it most.

Physical therapist applying kinesiology tape to patient’s shoulder during wellness treatment.

Wellness Partners

Nutritionists, physical therapists, and mental health providers we trust for holistic support.

Laboratory technician handling test samples with automated diagnostic equipment.

Diagnostic & Lab Partners

Trusted labs and imaging centers for accurate, timely results.

Knowledge shared,
health strengthened.

Preventive Care

Trends in Colon Health

February 20, 2026

Read More
Extending HealthSpan

Healthspan vs. Lifespan

February 20, 2026

Read More
Heart Health

Lipoprotein(a) and Heart Health

February 20, 2026

Read More
Vaccinations

Chikungunya: For Our Travelers

February 20, 2026

Read More
Exercise

Strength Training: What To Know

February 19, 2026

Read More
Explore insights
Doctor measuring patient’s blood pressure with a cuff.

Evidence-based care
with accessible expertise.