MELISSA MICHELLE GROSS MD
NPI 1750885398
Student in an Organized Health Care Education/Training Program in Boston, MA
About Melissa Michelle Gross Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA MICHELLE GROSS MD (NPI 1750885398) is an individual student in an organized health care education/training program in Boston, Massachusetts and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Plainview.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Melissa Michelle Gross Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Melissa Gross 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
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.
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 Gross's NPI number?
The NPI number for Melissa Gross is 1750885398. It was assigned to this individual provider in the NPPES registry on March 20, 2018.
Where is Melissa Gross located?
Melissa Gross practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-9338.
What is Melissa Gross's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Melissa Gross enrolled in Medicare?
Yes. Melissa Gross is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Melissa Gross's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Gross 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 Melissa Gross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Melissa Gross was last updated on May 10, 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.