Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Fernando E. Alonso, MD

Sees patients in San Diego, CA · California

Summary

Fernando E. Alonso, MD (General Surgery) is enrolled with Medicare at 1 practice location in San Diego, CA. NPI 1275825184. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Fernando E. Alonso, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Fernando E. Alonso see patients?
Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
What is Fernando E. Alonso's specialty?
Medicare lists General Surgery as the primary specialty.
Does Fernando E. Alonso accept Medicare assignment?
Yes. Medicare's clinician data says Fernando E. Alonso 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 Fernando E. Alonso?
(619) 528-5000, as listed in official Medicare / NPI Registry data.
What is Fernando E. Alonso's NPI number?
1275825184. 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 Fernando E. Alonso is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Fernando E. Alonso as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in San Diego

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

All general surgeons in San Diego →

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275825184
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 2026-10-02, retrieved 2026-10-29
  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