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Certified Clinical Nurse Specialist (CNS)

Ann Findeisen

Sees patients in Boston, MA · Roxbury, MA · Massachusetts

Summary

Ann Findeisen is a clinical nurse specialist at 75 Fenwood Rd, Boston, MA 02115. Phone: (617) 626-9300. Accepts Medicare assignment. In 2024, Ann Findeisen had 15 Original Medicare patients and 83 services. NPI 1336360387. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical nurse specialist (Medicare lists Certified Clinical Nurse Specialist (CNS))
  • Address: 75 Fenwood Rd, Boston, MA 02115 · Directions (1 more location)
  • Phone: (617) 626‑9300
  • Medicare: Accepts Medicare assignment
  • Group practice: The Commonwealth of Massachusetts
  • School: graduated 1969
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ann Findeisen, 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 Ann Findeisen accept Medicare assignment?
Yes. Medicare's clinician data says Ann Findeisen 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.
How many Medicare patients does Ann Findeisen see?
In 2024, CMS data shows 15 Original Medicare patients and 83 services for Ann Findeisen. This counts Original Medicare only and measures volume, not quality.
What is Ann Findeisen's NPI number?
1336360387. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ann Findeisen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients15
Services billed to Medicare83
Different services or procedures4
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Psychotherapy, 30 minutes (90832)59 services

Practice locations

Addresses where Ann Findeisen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ann Findeisen as a member of this group (CMS data updated October 2, 2026).

  • The Commonwealth of Massachusetts146 clinicians in the group

Specialties

Find other clinicians: Certified Clinical Nurse Specialist (CNS), Massachusetts →

Other clinical nurse specialists in Boston

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

All clinical nurse specialists in Boston →

Other clinicians in The Commonwealth of Massachusetts

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

Clinician information

Graduation year1969
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336360387
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians