Noah Champagne

FSA, MAAA

Principal and Consulting Actuary

New York, NY, US

Noah Champagne is a principal and consulting actuary with extensive experience working directly with providers to facilitate risk arrangements, contracting discussions, and benchmarking. Additionally, Noah works closely with ACOs (MSSPs, REACH ACOs, High Needs REACH ACOs, and others), MAPD plans, and individual Exchange clients to facilitate their pricing, projections, and budgeting.

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Experience

Noah’s experience as an actuary includes:

ACO participation support and modeling
Value-based care models
Medicare Advantage Part C bid preparation
Exchange rate filings
Small group pricing
Risk score modeling
Capitation payment analysis

Professional Designations

Fellow, Society of Actuaries
Member, American Academy of Actuaries

Education

MSc, Applied Mathematics, University of Washington
BA, Physics and Mathematics, Skidmore College

Publications

Read their latest work

Article

2025 Medicare FFS catheter billing anomalies and ACO implications

09 March 2026 - by Noah Champagne, Katherine Brinkers

We detail the Medicare fee-for-service catheter billing anomalies observed during 2025 and discuss the implications for affordable care organizations.

Article

CMMI’s ACCESS model: What health tech providers, life sciences organizations, and ACOs need to know

27 February 2026 - by Austin Barrington, Noah Champagne, Chris Smith, Rebecca Smith

We detail key information for stakeholders on the Center for Medicare and Medicaid Innovation’s new payment framework.

Article

5 key issues Milliman is watching for ACOs in 2026

08 January 2026 - by Noah Champagne, Sam Shellabarger, Rebecca Smith

Read about the five key regulatory and economic issues for ACOs that Milliman is watching in 2026

Article

Key questions healthcare provider organizations should ask when evaluating LEAD

08 January 2026 - by Emma Kramer, Noah Champagne, Chris Smith

We identify several critical questions ACOs will need to ask about LEAD, a new healthcare model announced by the Centers for Medicare and Medicaid Services.

Article

The continued evolution of CMS’s mandatory models: The Ambulatory Specialty Model (ASM)

20 November 2025 - by Noah Champagne, Harsha Mirchandani, Danielle Rubin

We detail characteristics and impact of the Ambulatory Specialty Model, a framework proposed by the Centers for Medicare and Medicaid Services.

Article

The next generation of Medicare bundled payments: Considerations regarding TEAM

03 September 2025 - by Alyssa Pennini, Christopher Murphy, Maggie Alston, Noah Champagne, Pamela M. Pelizzari

The Transforming Episode Accountability Model, Medicare’s new approach for bundled payments, will impact a wide variety of acute care hospitals nationwide.

Article

ACO REACH PY2026 explained: What is changing and why it matters

17 June 2025 - by Tabish Shaikh, Chris Smith, Emma Kramer, Noah Champagne, Nathaniel Jacobson

We put the Center for Medicare and Medicaid Innovation's 2026 updates to the ACO REACH program into context.

Article

Predictability vs. accuracy in MSSP benchmarks

03 February 2025 - by Sam Shellabarger, Brandin Kuklinski, Noah Champagne

We share some thoughts on how the Accountable Care Prospective Trend has introduced new risks and opportunities for ACOs in the Medicare Shared Savings Program.

Article

ACO REACH PY2025 changes: What do they mean for my ACO?

27 September 2024 - by David Byron, Noah Champagne, Tabish Shaikh

After the Center for Medicare and Medicaid Innovation’s recent update for ACO REACH, we detail 11 feature changes and their impact.

Article

Shadow bundles: A big opportunity for MSSP and REACH ACOs

13 February 2024 - by Maggie Alston, Noah Champagne, Daniel DiNinno, Emma Kramer, Christopher Murphy

New data for the Medicare Shared Savings Program and ACO REACH models provide opportunities for managing referrals, but ACOs should know the data’s limitations.

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Read their latest work

Article

2025 Medicare FFS catheter billing anomalies and ACO implications

09 March 2026 - by Noah Champagne, Katherine Brinkers

We detail the Medicare fee-for-service catheter billing anomalies observed during 2025 and discuss the implications for affordable care organizations.

Article

CMMI’s ACCESS model: What health tech providers, life sciences organizations, and ACOs need to know

27 February 2026 - by Austin Barrington, Noah Champagne, Chris Smith, Rebecca Smith

We detail key information for stakeholders on the Center for Medicare and Medicaid Innovation’s new payment framework.

Article

5 key issues Milliman is watching for ACOs in 2026

08 January 2026 - by Noah Champagne, Sam Shellabarger, Rebecca Smith

Read about the five key regulatory and economic issues for ACOs that Milliman is watching in 2026

Article

Key questions healthcare provider organizations should ask when evaluating LEAD

08 January 2026 - by Emma Kramer, Noah Champagne, Chris Smith

We identify several critical questions ACOs will need to ask about LEAD, a new healthcare model announced by the Centers for Medicare and Medicaid Services.

Article

The continued evolution of CMS’s mandatory models: The Ambulatory Specialty Model (ASM)

20 November 2025 - by Noah Champagne, Harsha Mirchandani, Danielle Rubin

We detail characteristics and impact of the Ambulatory Specialty Model, a framework proposed by the Centers for Medicare and Medicaid Services.

Article

The next generation of Medicare bundled payments: Considerations regarding TEAM

03 September 2025 - by Alyssa Pennini, Christopher Murphy, Maggie Alston, Noah Champagne, Pamela M. Pelizzari

The Transforming Episode Accountability Model, Medicare’s new approach for bundled payments, will impact a wide variety of acute care hospitals nationwide.

Article

ACO REACH PY2026 explained: What is changing and why it matters

17 June 2025 - by Tabish Shaikh, Chris Smith, Emma Kramer, Noah Champagne, Nathaniel Jacobson

We put the Center for Medicare and Medicaid Innovation's 2026 updates to the ACO REACH program into context.

Article

Predictability vs. accuracy in MSSP benchmarks

03 February 2025 - by Sam Shellabarger, Brandin Kuklinski, Noah Champagne

We share some thoughts on how the Accountable Care Prospective Trend has introduced new risks and opportunities for ACOs in the Medicare Shared Savings Program.

Article

ACO REACH PY2025 changes: What do they mean for my ACO?

27 September 2024 - by David Byron, Noah Champagne, Tabish Shaikh

After the Center for Medicare and Medicaid Innovation’s recent update for ACO REACH, we detail 11 feature changes and their impact.

Article

Shadow bundles: A big opportunity for MSSP and REACH ACOs

13 February 2024 - by Maggie Alston, Noah Champagne, Daniel DiNinno, Emma Kramer, Christopher Murphy

New data for the Medicare Shared Savings Program and ACO REACH models provide opportunities for managing referrals, but ACOs should know the data’s limitations.

Noah Champagne

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Experience

Read their latest work

2025 Medicare FFS catheter billing anomalies and ACO implications

CMMI’s ACCESS model: What health tech providers, life sciences organizations, and ACOs need to know

5 key issues Milliman is watching for ACOs in 2026

Key questions healthcare provider organizations should ask when evaluating LEAD

The continued evolution of CMS’s mandatory models: The Ambulatory Specialty Model (ASM)

The next generation of Medicare bundled payments: Considerations regarding TEAM

ACO REACH PY2026 explained: What is changing and why it matters

Predictability vs. accuracy in MSSP benchmarks

ACO REACH PY2025 changes: What do they mean for my ACO?

Shadow bundles: A big opportunity for MSSP and REACH ACOs

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CHOOSE A LOCATION AND LANGUAGE

Noah Champagne

Read their latest work

2025 Medicare FFS catheter billing anomalies and ACO implications

CMMI’s ACCESS model: What health tech providers, life sciences organizations, and ACOs need to know

5 key issues Milliman is watching for ACOs in 2026

Key questions healthcare provider organizations should ask when evaluating LEAD

The continued evolution of CMS’s mandatory models: The Ambulatory Specialty Model (ASM)

The next generation of Medicare bundled payments: Considerations regarding TEAM

ACO REACH PY2026 explained: What is changing and why it matters

Predictability vs. accuracy in MSSP benchmarks

ACO REACH PY2025 changes: What do they mean for my ACO?

Shadow bundles: A big opportunity for MSSP and REACH ACOs

CHOOSE A LOCATION AND LANGUAGE