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Psychiatry

Christina J. Amerault, MD

Sees patients in Lexington, MA · Massachusetts

Summary

Dr. Christina J. Amerault, MD is a psychiatrist at 19 Muzzey St, Suite 309, Lexington, MA 02421. Phone: (978) 795-4411. May accept Medicare assignment. NPI 1649702937. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 19 Muzzey St, Suite 309, Lexington, MA 02421 · Directions
  • Phone: (978) 795‑4411
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Christina J. Amerault, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Christina J. Amerault accept Medicare assignment?
Medicare's clinician data says Christina J. Amerault may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Christina J. Amerault's NPI number?
1649702937. 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 Christina J. Amerault is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Psychiatry doctors in Massachusetts →

Other psychiatrists in Lexington

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

All psychiatrists in Lexington →

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1649702937
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 October 2, 2026, retrieved October 29, 2026
  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