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Occupational Therapist in Private Practice

Jennifer Nielsen, OT

Sees patients in Gilbert, AZ · Arizona

Summary

Jennifer Nielsen, OT is an occupational therapist at 3961 E Guadalupe Rd, Suite 1, Gilbert, AZ 85234. Phone: (480) 699-4845. Accepts Medicare assignment. In 2024, Jennifer Nielsen had 33 Original Medicare patients and 269 services. NPI 1144085838. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Occupational therapist (Medicare lists Occupational Therapist in Private Practice)
  • Address: 3961 E Guadalupe Rd, Suite 1, Gilbert, AZ 85234 · Directions
  • Phone: (480) 699‑4845
  • Medicare: Accepts Medicare assignment
  • Group practice: Advanced Neurologic Rehabilitation
  • School: graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer Nielsen, 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 Jennifer Nielsen accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer Nielsen 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 Jennifer Nielsen see?
In 2024, CMS data shows 33 Original Medicare patients and 269 services for Jennifer Nielsen. This counts Original Medicare only and measures volume, not quality.
What is Jennifer Nielsen's NPI number?
1144085838. 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 Jennifer Nielsen, 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 patients33
Services billed to Medicare269
Different services or procedures6
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Therapy procedure using functional activities (97530)233 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Stroke or mini-stroke61%
  • Arthritis58%
  • Anxiety58%
  • Depression48%

Practice locations

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

Group practices

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

  • Advanced Neurologic Rehabilitation33 clinicians in the group

Specialties

Find other clinicians: Occupational Therapist in Private Practice, Arizona →

Other occupational therapists in Gilbert

Clinicians with the same Medicare primary specialty in Gilbert, AZ — not a recommendation.

All occupational therapists in Gilbert →

Other clinicians in Advanced Neurologic Rehabilitation

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

Clinician information

CredentialOT
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144085838
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