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

Nurse Practitioner

Claire L. Johannes

Sees patients in Boston, MA · Massachusetts

Summary

Claire L. Johannes is a nurse practitioner at 1340 Boylston St, Boston, MA 02215. Phone: (617) 267-0900. Accepts Medicare assignment. NPI 1184490674. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 1340 Boylston St, Boston, MA 02215 · Directions
  • Phone: (617) 267‑0900
  • Medicare: Accepts Medicare assignment
  • Group practice: Fenway Community Health Center, Inc
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claire L. Johannes, 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 Claire L. Johannes accept Medicare assignment?
Yes. Medicare's clinician data says Claire L. Johannes 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 Claire L. Johannes's NPI number?
1184490674. 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 Claire L. Johannes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Claire L. Johannes as a member of this group (CMS data updated October 2, 2026).

  • Fenway Community Health Center, Inc83 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Boston

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

All nurse practitioners in Boston →

Other clinicians in Fenway Community Health Center, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184490674
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