STEPHEN JOHN ELLWOOD MD
NPI 1760986913
Anesthesiology in Boston, MA
About Stephen John Ellwood Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN JOHN ELLWOOD MD (NPI 1760986913) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (286634) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Emory University Hospital Midtown, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Stephen John Ellwood 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
2Medicare enrollment records show Stephen Ellwood reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 clinicians in this Medicare group
Lagrange, GA 30240
- Reassigned Medicare billing, Georgia enrollment
- 1,506 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.
Emory University Hospital Midtown
Acute Care Hospitals · Atlanta, GAOther 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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Stephen Ellwood's NPI number?
The NPI number for Stephen Ellwood is 1760986913. It was assigned to this individual provider in the NPPES registry on March 22, 2018.
Where is Stephen Ellwood located?
Stephen Ellwood practices at 75 Francis Street, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Stephen Ellwood's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephen Ellwood enrolled in Medicare?
Yes. Stephen Ellwood 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 Stephen Ellwood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Ellwood reassigns Medicare benefits to 2 organizations: The Emory Clinic Inc (Atlanta, GA) and Emory Specialty Associates, LLC (Lagrange, GA). 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 Stephen Ellwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Ellwood accept?
Health plans from Oscar Health list Stephen Ellwood 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 Stephen Ellwood affiliated with any hospitals?
According to CMS data, Stephen Ellwood is affiliated with Emory University Hospital Midtown.
When was this NPI record last updated?
The NPPES record for Stephen Ellwood was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Stephen John Ellwood, MD · NPI 1760986913
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 22, 2018.
## Identity
- **NPI:** 1760986913 (Entity type: Individual)
- **Enumerated:** March 22, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 286634 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS STREET, Boston, MA 02115
- **Phone:** (617) 732-5500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Emory Clinic Inc (NPI 1396798229, Atlanta, GA); Emory Specialty Associates, LLC (NPI 1407864168, Lagrange, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2018
## Record status
- **NPPES last updated:** August 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1760986913) · Data from the CMS NPPES public registry.