Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Stephanie Amaefuna, MD

Works at hospitals in Winchester, MA · Massachusetts

Summary

Stephanie Amaefuna, MD (Anesthesiology) is listed by Medicare at 1 hospital in Winchester, MA. NPI 1811647670. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie Amaefuna, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
Rutgers R W Johnson Medical School (cam/new Bruns/pisc)Medical school
FemaleGender (as listed)
Boston University Medical Center Anesthesiologists IncGroup practice (+1 more)

Quick answers

Which hospitals does Stephanie Amaefuna work at?
Medicare's official clinician data lists Stephanie Amaefuna at 1 hospital: Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephanie Amaefuna see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA and Winchester, MA. Call before your visit to confirm the address.
What is Stephanie Amaefuna's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Stephanie Amaefuna accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie Amaefuna accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Stephanie Amaefuna?
(617) 638-6950, as listed in official Medicare / NPI Registry data.
What is Stephanie Amaefuna's NPI number?
1811647670. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephanie Amaefuna works

Medicare's Facility Affiliation Data lists Stephanie Amaefuna at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Stephanie Amaefuna is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephanie Amaefuna as a member of these groups (CMS data updated 2026-10-02).

  • Boston University Medical Center Anesthesiologists Inc93 clinicians in the group
  • Winchester Anesthesia Associates, Inc67 clinicians in the group

Specialties

Find other Anesthesiology doctors in Massachusetts →

Other anesthesiologists in Boston

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

All anesthesiologists in Boston →

Clinician information

CredentialMD
Medical schoolRutgers R W Johnson Medical School (cam/new Bruns/pisc)
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811647670
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians