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Physician Assistant

Andrew J. Medeiros

Works at hospitals in Boston, MA · Massachusetts

Summary

Andrew J. Medeiros is a physician assistant at 800 Washington St, Boston, MA 02111. Phone: (617) 636-5000. Accepts Medicare assignment. In 2024, Andrew J. Medeiros had 32 Original Medicare patients and 74 services. NPI 1255964219. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 800 Washington St, Boston, MA 02111 · Directions
  • Phone: (617) 636‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Tufts Medical Center
  • Group practice: Cardiovascular Center at Tufts Medical Center Inc
  • School: Tufts University School Of Medicine · graduated 2020
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew J. Medeiros, 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 Andrew J. Medeiros accept Medicare assignment?
Yes. Medicare's clinician data says Andrew J. Medeiros 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.
How many Medicare patients does Andrew J. Medeiros see?
In 2024, CMS data shows 32 Original Medicare patients and 74 services for Andrew J. Medeiros. This counts Original Medicare only and measures volume, not quality.
What is Andrew J. Medeiros's NPI number?
1255964219. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Andrew J. Medeiros, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients32
Services billed to Medicare74
Different services or procedures19
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Coronary artery bypass using artery graft, 1 graft (33533)18 services
  2. Harvest of vein using an endoscope (33508)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease75%
  • Heart failure69%
  • Chronic kidney disease66%
  • Atrial fibrillation59%

Hospitals where Andrew J. Medeiros works

Medicare's Facility Affiliation Data lists Andrew J. Medeiros at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Andrew J. Medeiros is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew J. Medeiros as a member of this group (CMS data updated October 2, 2026).

  • Cardiovascular Center at Tufts Medical Center Inc97 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Boston

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

All physician assistants in Boston →

Other clinicians in Cardiovascular Center at Tufts Medical Center Inc

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

Clinician information

SchoolTufts University School Of Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255964219
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians