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Diagnostic Radiology

Steven N. Baldassano, MD

Sees patients in Dedham, MA · Quincy, MA · Boston, MA … · Massachusetts

Summary

Dr. Steven N. Baldassano, MD is a radiologist at 1 Lyons St, Dedham, MA 02026. Phone: (781) 329-1400. Accepts Medicare assignment. NPI 1417585076. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1 Lyons St, Dedham, MA 02026 · Directions (8 more locations)
  • Phone: (781) 329‑1400
  • Medicare: Accepts Medicare assignment
  • Group practice: Atrius Health Inc
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven N. Baldassano, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Steven N. Baldassano accept Medicare assignment?
Yes. Medicare's clinician data says Steven N. Baldassano accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Steven N. Baldassano's NPI number?
1417585076. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Steven N. Baldassano is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Steven N. Baldassano as a member of this group (CMS data updated October 2, 2026).

  • Atrius Health Inc1,222 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Massachusetts →

Other radiologists in Dedham

Clinicians with the same Medicare primary specialty in Dedham, MA — not a recommendation.

All radiologists in Dedham →

Other clinicians in Atrius Health Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417585076
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians