Baystate Medical Center Transparency Rating
759 CHESTNUT STREET, SPRINGFIELD, MA 01199 · CMS Certification Number (CCN) 220077
Recalculated monthly from live CMS machine-readable files — last verified August 7, 2026.
Look Up Another Hospital
Type a name to search.
Scores better than 59% of hospitals tracked in this cycle.
Score Breakdown
Trend
Score has risen 0.7 points since July 2026, though the grade has remained A.
Why This Score
Baystate Medical Center scored 100 (A) this cycle, performing consistently well across every measured component, including Accuracy (99.9/100 - the share of disclosed rate rows that are neither blank nor logically inconsistent (e.g. a minimum negotiated rate above the maximum)), its lowest-scoring measure this cycle.
See other hospitals in Massachusetts.
Evaluating claims involving Baystate Medical Center?
See how this hospital’s billed and negotiated rates compare to the market before your next review.
See Revenue Integrity