The network.
The layer between the physician-led practice and corporate consolidation.
Architecture of autonomy.
Private equity firms have aggregated 30% of the primary care market in the past five years. Their strategy: divide and conquer. They rely on physician-led practices being isolated, lacking the data to negotiate and the scale to purchase.
PPA flips the equation. By aggregating the operational data of 90+ practices, we give members the purchasing power of a hospital network while preserving the autonomy of the individual owner.
We do not employ doctors. We back them.
Four pillars.
Purchasing power
Aggregated buying power across 100+ practices for supplies, equipment, and services at negotiated rates.
Market intelligence
Benchmarking on payer rates, coding audits, and reimbursement trends, available nowhere else.
Peer network
Direct access to fellow physician-led owners who solved the problems you face. Vet vendors, share patient-referral pathways, align strategy.
Operational support
Playbooks, protocols, and training from top-performing members. Staffing, billing, technology, all covered.
Board of Directors.
PPA was created by doctors for doctors and their patients. It is led by some of the most respected physicians in concierge and membership medicine.
Jordan Shlain, MD
Private MedicalSan Francisco, CAFounder of Private Medical, one of the country's longest-running concierge practices. An originator of the model and a long-running voice on physician-led practice economics.
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Matt Priddy, MD
Priority PhysiciansIndianapolis, INBoard-certified family medicine physician at Priority Physicians and a decade-plus advocate for direct primary care. Past President of the American Academy of Private Physicians.
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Cari Dawson, MD
Colorado Center of Medical ExcellenceDenver, COBoard-certified internist at the Colorado Center of Medical Excellence in Denver, practicing internal medicine since 2001. Clinical faculty at UCHSC and a 5280 Magazine Top Internal Medicine Doctor (2021, 2023, 2024), focused on preventative, cardiovascular, and women's health.
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Radley Griffin, MD
Griffin Concierge MedicalTampa, FLFounder and CEO of Griffin Concierge Medical in Tampa. Board-certified family medicine physician, Castle Connolly Top Doctor, and chair of the PPA Board.
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James Pinckney II, MD
Diamond HealthDallas, TXFounder of Diamond Physicians (2012) and CEO of parent company Diamond Health. Board-certified family physician, US patent holder, and medical host on Chasing the Cure Live.
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Jordan Lipton, MD
Signature HealthcareCharlotte, NCCo-founder of Signature Healthcare (2003). Board-certified in emergency and ambulatory medicine; now focused on administrative leadership and business development.
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Callie Hollenshead, MD
Harley Street HealthDallas, TXBoard-certified family medicine physician practicing concierge medicine in Dallas. Founder of Harley Street Health; previously affiliated with the Methodist Premier Wellness concierge program.
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Jeannemarie Bozza, RN
Commodore Concierge Nurse ManagementNew York, NYCEO and founder of Commodore Concierge Nurse Management. Brings the nurse-led operational perspective on high-touch home nursing and patient advocacy.
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Barry Rotman, MD
Banner Peak HealthWalnut Creek, CAFounder of Banner Peak Health (2007). Over 30 years as a physician, 16 in concierge medicine, grounded in the fundamentals of listening and the physical exam.
Read profile →Grow the network.
Our leverage grows with every entrepreneurial practice that joins.