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Nurse Practitioner

Andrea C. Pallares, NP

Works at hospitals in Orange, CA · California

Summary

Andrea C. Pallares, NP is a nurse practitioner at 101 The City Dr S, Orange, CA 92868. Phone: (714) 634-5549. Accepts Medicare assignment. In 2024, Andrea C. Pallares had 33 Original Medicare patients and 38 services. NPI 1407368988. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 101 The City Dr S, Orange, CA 92868 · Directions
  • Phone: (714) 634‑5549
  • Medicare: Accepts Medicare assignment
  • Hospital: UCI Health-Orange
  • Group practice: University Surgeons of Orange a Medical Group
  • School: graduated 2017
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Andrea C. Pallares, 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 Andrea C. Pallares accept Medicare assignment?
Yes. Medicare's clinician data says Andrea C. Pallares 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 Andrea C. Pallares see?
In 2024, CMS data shows 33 Original Medicare patients and 38 services for Andrea C. Pallares. This counts Original Medicare only and measures volume, not quality.
What is Andrea C. Pallares's NPI number?
1407368988. 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 Andrea C. Pallares, 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 Medicare38
Different services or procedures6
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 services
  2. Critical care, first 30-74 minutes (99291)15 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%
  • Ischemic heart disease61%
  • Chronic kidney disease61%
  • Diabetes55%
  • Arthritis52%

Hospitals where Andrea C. Pallares works

Medicare's Facility Affiliation Data lists Andrea C. Pallares 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.

  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Andrea C. Pallares is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrea C. Pallares as a member of this group (CMS data updated October 2, 2026).

  • University Surgeons of Orange a Medical Group116 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All nurse practitioners in Orange →

Other clinicians in University Surgeons of Orange a Medical Group

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

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407368988
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians