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Family Practice

Angelica Alonso, MD

Works at hospitals in La Mesa, CA · California

Summary

Dr. Angelica Alonso, MD is a family doctor at 855 E Madison Ave, El Cajon, CA 92020. Phone: (619) 440-2751. Accepts Medicare assignment. NPI 1174019210. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 855 E Madison Ave, El Cajon, CA 92020 · Directions
  • Phone: (619) 440‑2751
  • Medicare: Accepts Medicare assignment
  • Hospital: Grossmont Hospital
  • Group practice: Neighborhood Healthcare
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Angelica Alonso, 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 Angelica Alonso accept Medicare assignment?
Yes. Medicare's clinician data says Angelica Alonso 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 Angelica Alonso's NPI number?
1174019210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Angelica Alonso works

Medicare's Facility Affiliation Data lists Angelica Alonso 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.

  • Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

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

Group practices

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

  • Neighborhood Healthcare150 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in El Cajon

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

All family doctors in El Cajon →

Other clinicians in Neighborhood Healthcare

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174019210
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