Premise Health and Crossover Health Complete Merger to Create Unified Advanced Primary Care Company

Oasis Health Partners Acquires Premier Health

March 20, 2026

Healthcare Services

Oasis Health Partners has acquired Premier Health, a healthcare administrative services organization focused on revenue cycle management and practice operations, to expand Oasis’s independent primary care platform. The combined company aims to modernize primary care by integrating clinical, operational, and financial infrastructure—particularly to support value-based care while keeping physicians independent.

Marathon Health Merges with Everside Health to Create Largest Open‑Access Advanced Primary Care Network

March 25, 2025

Healthcare Services

Marathon Health completed the integration of its February 2024 merger with Everside Health, creating a combined advanced primary care platform that now serves more than 3 million covered lives through 750+ health centers across 41 states and virtual care. The companies migrated hundreds of locations and clinical teammates onto a single technology platform (Ignite) to unify operations, improve care coordination and scale employer‑sponsored primary care and occupational health services.

Optum Completes Combination with Change Healthcare

October 3, 2022

Healthcare Services

Optum, part of UnitedHealth Group, completed its combination with Change Healthcare. The combined businesses aim to connect and simplify core clinical, administrative, and payment processes for providers and payers to reduce friction and improve efficiency.

Trinity Health Acquires Majority Stake in Premier Health

March 10, 2021

Healthcare Services

Trinity Health acquired a majority ownership stake in Premier Health, a national operator of health system‑branded urgent care clinics headquartered in Baton Rouge, Louisiana. Under the partnership Premier Health will operate about 20 existing Trinity Health urgent care locations and plans to significantly expand its urgent care footprint across multiple states to improve access and integrate urgent care with Trinity's broader care network.

Premise Health Acquires Sonic Boom Wellness

February 2, 2021

Healthcare Services

Premise Health, an OMERS-backed direct healthcare provider, has acquired Sonic Boom Wellness, a corporate wellness technology platform. The deal adds Sonic Boom's digital engagement and behavior-change tools to Premise's suite of onsite and digital health services to boost member engagement and wellbeing.

Premise Health Acquires CareHere

September 1, 2020

Healthcare Services

Premise Health, a leading direct health care provider, has signed a definitive agreement to acquire CareHere, a provider of wellness centers serving self-funded organizations. The deal expands Premise Health’s onsite, nearsite and digital care capabilities, broadens its public-sector and university reach, and brings the combined organization to roughly $1 billion in annual revenue and coverage of about 11 million eligible lives.