DR. ALEXANDRA LEIGH DIFULVIO DNP
NPI 1780316901
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA
About Dr. Alexandra Leigh Difulvio Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDRA LEIGH DIFULVIO DNP (NPI 1780316901) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN10006350) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (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
Dr. Alexandra Leigh Difulvio Dnp 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 Alexandra Difulvio reassigns Medicare billing to 2 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
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Alexandra Difulvio's NPI number?
The NPI number for Alexandra Difulvio is 1780316901. It was assigned to this individual provider in the NPPES registry on June 27, 2022.
Where is Alexandra Difulvio located?
Alexandra Difulvio practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 278-1000.
What is Alexandra Difulvio's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Alexandra Difulvio enrolled in Medicare?
Yes. Alexandra Difulvio 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 Alexandra Difulvio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Difulvio reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Alexandra Difulvio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexandra Difulvio accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Alexandra Difulvio 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 Alexandra Difulvio affiliated with any hospitals?
According to CMS data, Alexandra Difulvio is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Alexandra Difulvio was last updated on August 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.