VASILEIOS EFTHYMIOU MD
NPI 1801598073
Student in an Organized Health Care Education/Training Program in Salem, MA
About Vasileios Efthymiou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VASILEIOS EFTHYMIOU MD (NPI 1801598073) is an individual student in an organized health care education/training program in Salem, Massachusetts and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
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
Vasileios Efthymiou 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 Vasileios Efthymiou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, 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.
SALEM, MA 01970
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 Vasileios Efthymiou's NPI number?
The NPI number for Vasileios Efthymiou is 1801598073. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Vasileios Efthymiou located?
Vasileios Efthymiou practices at 81 Highland Ave, Salem, MA 01970. The listed phone number is (978) 354-4009.
What is Vasileios Efthymiou's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Vasileios Efthymiou enrolled in Medicare?
Yes. Vasileios Efthymiou 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 Vasileios Efthymiou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vasileios Efthymiou reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, 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 Vasileios Efthymiou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vasileios Efthymiou accept?
Health plans from Taro Health list Vasileios Efthymiou 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 Vasileios Efthymiou affiliated with any hospitals?
According to CMS data, Vasileios Efthymiou is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Vasileios Efthymiou was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Vasileios Efthymiou, MD · NPI 1801598073
Student in an Organized Health Care Education/Training Program provider in Salem, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1801598073 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 81 HIGHLAND AVE, Salem, MA 01970-2768
- **Phone:** (978) 354-4009
## 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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801598073) · Data from the CMS NPPES public registry.