STEPHANIE CHISOM AMAEFUNA MD
NPI 1811647670
Anesthesiology in Boston, MA
About Stephanie Chisom Amaefuna Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE CHISOM AMAEFUNA MD (NPI 1811647670) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (1026711) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephanie Chisom Amaefuna Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Stephanie Amaefuna reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 102 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 88 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 105 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephanie Amaefuna's NPI number?
The NPI number for Stephanie Amaefuna is 1811647670. It was assigned to this individual provider in the NPPES registry on March 25, 2022.
Where is Stephanie Amaefuna located?
Stephanie Amaefuna practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-6950.
What is Stephanie Amaefuna's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephanie Amaefuna enrolled in Medicare?
Yes. Stephanie Amaefuna is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephanie Amaefuna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Amaefuna reassigns Medicare benefits to 3 organizations: Boston University Medical Center Anesthesiologists, Inc. (Boston, MA), Winchester Anesthesia Associates 2 Inc (Winchester, MA) and Winchester Anesthesia Associates, Inc (Winchester, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Amaefuna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Amaefuna accept?
Health plans from WellSense Health Plan list Stephanie Amaefuna as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Stephanie Amaefuna affiliated with any hospitals?
According to CMS data, Stephanie Amaefuna is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Stephanie Amaefuna was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Stephanie Chisom Amaefuna, MD · NPI 1811647670
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2022.
## Identity
- **NPI:** 1811647670 (Entity type: Individual)
- **Enumerated:** March 25, 2022
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 1026711 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BOSTON MEDICAL CTR PL, Boston, MA 02118-2520
- **Phone:** (617) 638-6950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Boston University Medical Center Anesthesiologists, Inc. (NPI 1952874737, Boston, MA); Winchester Anesthesia Associates 2 Inc (NPI 1427599588, Winchester, MA); Winchester Anesthesia Associates, Inc (NPI 1972626117, Winchester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 2022
## Record status
- **NPPES last updated:** May 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811647670) · Data from the CMS NPPES public registry.