MELISSA D'SOUZA M.D
NPI 1366963597
Internal Medicine in Boston, MA
About Melissa D'souza M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA D'SOUZA M.D (NPI 1366963597) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (283629) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 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
Melissa D'souza M.d 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 Melissa D'souza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
North Andover, MA 01845
- Reassigned Medicare billing, Massachusetts enrollment
- 57 clinicians in this Medicare group
North Andover, MA 01845
- Reassigned Medicare billing, Massachusetts enrollment
- 52 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lawrence General Hospital
Acute Care Hospitals · Lawrence, MASt Elizabeth's Medical Center
Acute Care Hospitals · Brighton, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MAHoly Family Hospital
Acute Care Hospitals · Methuen, 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.
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 Melissa D'souza's NPI number?
The NPI number for Melissa D'souza is 1366963597. It was assigned to this individual provider in the NPPES registry on June 28, 2017.
Where is Melissa D'souza located?
Melissa D'souza practices at 165 Cambridge St, Boston, MA 02114. The listed phone number is (617) 726-4600.
What is Melissa D'souza's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Melissa D'souza enrolled in Medicare?
Yes. Melissa D'souza 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 Melissa D'souza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa D'souza reassigns Medicare benefits to 2 organizations: Incare Tufts PLLC (North Andover, MA) and Incare Lawrence PLLC (North Andover, 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 Melissa D'souza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa D'souza accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Melissa D'souza 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 Melissa D'souza affiliated with any hospitals?
According to CMS data, Melissa D'souza is affiliated with Lawrence General Hospital, St Elizabeth's Medical Center, Massachusetts General Hospital and Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Melissa D'souza was last updated on December 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.