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MACRA: Definition and Healthcare Context

Full name: Medicare Access and CHIP Reauthorization Act of 2015

The Medicare Access and CHIP Reauthorization Act of 2015 (MACRA) is a federal law that repealed the Sustainable Growth Rate (SGR) formula for Medicare physician payment and established the Quality Payment Program. MACRA created MIPS and Advanced APMs as the two pathways for clinician participation, shifted Medicare payment toward value-based models, and mandated interoperability requirements for EHRs. MACRA was signed into law on April 16, 2015. CMS began collecting MIPS performance data under MACRA in January 2017.

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Last updated: 2026-07-11Reviewed by: Dr. Jennifer Montecillo, MDGullas College of Medicine, 2019. Non-practicing medical reviewer.

How it’s used

  • CMS QPP MIPS: MACRA established the legal framework for MIPS. Fonteum's QPP MIPS data source is built on the performance reporting mandated by MACRA.
  • Quality Payment Program: MACRA's two pathways — MIPS and Advanced APMs — define how Medicare ties clinician payment to performance, the framework behind Fonteum's QPP MIPS source family.
  • Medicare Physician Fee Schedule: by repealing the SGR formula, MACRA set the payment-update structure that governs the fee schedule underlying clinician reimbursement data.

Frequently asked questions

What does MACRA stand for?
MACRA stands for Medicare Access and CHIP Reauthorization Act of 2015, the law that repealed the SGR formula and created the Quality Payment Program.
What did MACRA change about Medicare payments?
MACRA replaced the SGR formula with a stable payment schedule and created the Quality Payment Program, which ties payment adjustments to quality and value performance.
When was MACRA signed into law?
MACRA was signed into law by President Obama on April 16, 2015.

What’s on file, by the numbers

Platform snapshot · 2026-08-12

13.4Mproviders & companiesProviders, organizations, owners, and facilities on file
26.2Msource-linked factsSource-linked field facts in the dated platform snapshot
90sources with dataDistinct snapshot source IDs with at least one positive record count
73fresh sourcesDistinct source IDs whose latest positive-data snapshot falls within the preceding 45 days
111sources integratedActive registry rows; integration does not establish a load
13state Medicaid jurisdictionsDistinct states represented in the state-exclusions serving table

Integrated, with-data, and fresh-observation counts are separate. No platform-wide source-completeness count is published. Completeness is source-specific and must be evaluated against the named source's expected scope. State coverage is a separate jurisdiction measure.

Source authority is record-specific

Use the issuer named on the record.

Fonteum spans federal, state, and global public publishers. A source page or returned record identifies its issuer and dataset where that metadata is available. A platform registry count does not assign every page to one authority or establish loaded, fresh, or complete coverage.

Browse source records and their stated limitations →

Reproducible by design

Inspect the evidence each published figure actually supplies.

Source and date

Research pages expose the named public file and observation date where those fields are available. Source-file SHA-256 coverage is separate; facts do not currently link deterministically to signatures.

Available derivation

Studies with a retained release and committed derivation link the SQL or method used. Other studies state the evidence and reproduction limits they actually have.

Daily observations

Dated table row-count observations can detect local drift. They do not imply that an upstream publisher released or Fonteum ingested new data that day.

Named medical review

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

Read the full provenance and attestation methodology →

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