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

Nurse Practitioner

Ashley B. Tetreault, NP

Works at hospitals in Worcester, MA · Massachusetts

Summary

Ashley B. Tetreault, NP is a nurse practitioner at 67 Millbrook St, Worcester, MA 01606. Accepts Medicare assignment. NPI 1851840722. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley B. Tetreault, 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 Ashley B. Tetreault accept Medicare assignment?
Yes. Medicare's clinician data says Ashley B. Tetreault accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Ashley B. Tetreault's NPI number?
1851840722. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ashley B. Tetreault works

Medicare's Facility Affiliation Data lists Ashley B. Tetreault at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ashley B. Tetreault is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Worcester

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

All nurse practitioners in Worcester →

Clinician information

CredentialNP
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851840722
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians