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Pathology

Nicolas Gallegos, MD

Works at hospitals in Laguna Hills, CA · Northridge, CA · California

Summary

Nicolas Gallegos, MD (Pathology) is listed by Medicare at 2 hospitals in Laguna Hills, CA and Northridge, CA. NPI 1205129509. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nicolas Gallegos, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
City of Hope Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Nicolas Gallegos work at?
Medicare's official clinician data lists Nicolas Gallegos at 2 hospitals: Memorialcare Saddleback Medical Center and Northridge Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nicolas Gallegos see patients?
Medicare's clinician data lists 3 practice locations, including Irvine, CA, Rancho Dominguez, CA and Laguna Hills, CA. Call before your visit to confirm the address.
What is Nicolas Gallegos's specialty?
Medicare lists Pathology as the primary specialty.
Does Nicolas Gallegos accept Medicare assignment?
Yes. Medicare's clinician data says Nicolas Gallegos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nicolas Gallegos?
(949) 671-4673, as listed in official Medicare / NPI Registry data.
What is Nicolas Gallegos's NPI number?
1205129509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nicolas Gallegos works

Medicare's Facility Affiliation Data lists Nicolas Gallegos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nicolas Gallegos is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicolas Gallegos as a member of these groups (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group
  • Affiliated Pathologists Medical Group, Inc.45 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Irvine

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

All pathologists in Irvine →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205129509
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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