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Physician Assistant

Catherine L. Desrosier, PA

Sees patients in Gilbert, AZ · Arizona

Summary

Catherine L. Desrosier, PA is a physician assistant at 3370 S Mercy Rd, Suite 314, Gilbert, AZ 85297. Phone: (480) 782-0993. Accepts Medicare assignment. NPI 1912860396. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Physician assistant
  • Address: 3370 S Mercy Rd, Suite 314, Gilbert, AZ 85297 · Directions
  • Phone: (480) 782‑0993
  • Medicare: Accepts Medicare assignment
  • Group practice: Arizona Ob Gyn Affiliates PC
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Catherine L. Desrosier, 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 Catherine L. Desrosier accept Medicare assignment?
Yes. Medicare's clinician data says Catherine L. Desrosier 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 Catherine L. Desrosier's NPI number?
1912860396. 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 Catherine L. Desrosier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Arizona Ob Gyn Affiliates PC123 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Arizona →

Other physician assistants in Gilbert

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

All physician assistants in Gilbert →

Other clinicians in Arizona Ob Gyn Affiliates PC

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

Clinician information

CredentialPA
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912860396
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