MELISSA MICHELLE GROSS MD
NPI 1750885398
Student in an Organized Health Care Education/Training Program in Boston, MA

Active since March 20, 2018PECOS Enrolled

NPPES record last updated: May 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 10, 2024, Mar 20, 2018 (2 updates tracked since 2018).

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

NPI1750885398
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMELISSA MICHELLE GROSSCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address888 Old Country RdPlainview, NY 11803-4914 · (516) 719-2543
Sole ProprietorNo
Enumeration DateMarch 20, 2018
Last NPPES UpdateMay 10, 20242 updates tracked since enumeration
NPPES CertifiedMay 10, 2024
✔ NPI 1750885398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 1018311 (MA)
55 FRUIT ST, Boston, MA 02114

Secondary Practice Location 1

Location 1888 Old Country RdPlainview, NY 11803-4914 · Phone (516) 719-2543

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
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.