Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Mariana Stone

Sees patients in Somerville, MA · Massachusetts

Summary

Mariana Stone (Nurse Practitioner) is enrolled with Medicare at 2 practice locations in Somerville, MA. NPI 1003394396. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mariana Stone, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
May acceptAccepts Medicare assignment
8Years since medical school (graduated 2018)
FemaleGender (as listed)

Quick answers

Where does Mariana Stone see patients?
Medicare's clinician data lists 2 practice locations, including Somerville, MA. Call before your visit to confirm the address.
What is Mariana Stone's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Mariana Stone accept Medicare assignment?
Medicare's clinician data says Mariana Stone may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Mariana Stone's NPI number?
1003394396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mariana Stone is enrolled with Medicare (CMS data updated 2026-10-02).

  • 399 Revolution Dr, Suite 1010Somerville, MA 02145
  • 399 Revolution Dr, Suite 458Somerville, MA 02145

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Somerville

Clinicians with the same Medicare primary specialty in Somerville, MA — not a recommendation.

All nurse practitioners in Somerville →

Clinician information

Graduation year2018
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1003394396
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians