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Nurse Practitioner

Diana Huizar, NP

Works at hospitals in Merced, CA · California

Summary

Diana Huizar, NP is a nurse practitioner at 517 Main St, Suite A, Livingston, CA 95334. Phone: (209) 445-2388. Accepts Medicare assignment. NPI 1922460914. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 517 Main St, Suite A, Livingston, CA 95334 · Directions (1 more location)
  • Phone: (209) 445‑2388
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center
  • Group practice: Community Health Centers of America
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Diana Huizar, 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 Diana Huizar accept Medicare assignment?
Yes. Medicare's clinician data says Diana Huizar 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 Diana Huizar's NPI number?
1922460914. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Diana Huizar works

Medicare's Facility Affiliation Data lists Diana Huizar 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.

  • Mercy Medical CenterMerced, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050444

Practice locations

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

Group practices

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

  • Community Health Centers of America117 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All nurse practitioners in California →

Other clinicians in Community Health Centers of America

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

Clinician information

CredentialNP
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922460914
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