Building a Sustainable Growth Model

Unlike many venture-backed healthcare startups, Greenbrook Medical has bootstrapped its growth. “We deliberately chose not to raise money early on,” Machhar said. “We wanted to prove the model before setting expectations with investors.”

This careful, measured approach has led to:

• Three clinic locations with 25 employees
• A Net Promoter Score (NPS) of 96
• Profitable operations with strong clinical outcomes

Greenbrook Medical’s decision to stay lean and prioritize quality over speed has helped them navigate the complexities of Medicare Advantage and risk- adjusted care models.

In-House vs. Outsourced: A Strategic Approach

A critical component of scaling effectively is deciding what to keep in-house versus what to outsource. Machhar outlined Greenbrook Medical’s guiding principles:

• Keep anything that directly impacts patient experience in-house.
• Outsource administrative and non-patient-facing functions.
• Choose vendors based on speed, execution quality, and minimal
• oversight requirements.

Using a car analogy, Machhar explained their approach: “In the early days, we needed ‘Camry’ vendors—reliable and cost-effective. Now, for certain functions, we’re willing to invest in ‘Mercedes’ or even ‘Ferrari’ partnerships.”

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Final Thoughts

Greenbrook Medical’s patient-first approach and disciplined growth strategy serve as a model for sustainable healthcare expansion. By prioritizing patient engagement, carefully scaling operations, and strategically balancing in-house versus outsourced functions, they are setting a new standard in value-based care.

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