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Nurse Practitioner

Roberto Alonso, NP

Works at hospitals in Baldwin Park, CA · California

Summary

Roberto Alonso, NP (Nurse Practitioner) is listed by Medicare at 1 hospital in Baldwin Park, CA. NPI 1174690911. 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 Roberto 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Which hospitals does Roberto Alonso work at?
Medicare's official clinician data lists Roberto Alonso at 1 hospital: Kaiser Foundation Hospital - Baldwin Park. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Roberto Alonso see patients?
Medicare's clinician data lists 3 practice locations, including Baldwin Park, CA, San Dimas, CA and Irwindale, CA. Call before your visit to confirm the address.
What is Roberto Alonso's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Roberto Alonso accept Medicare assignment?
Yes. Medicare's clinician data says Roberto 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 Roberto Alonso?
(626) 851-1011, as listed in official Medicare / NPI Registry data.
What is Roberto Alonso's NPI number?
1174690911. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roberto Alonso works

Medicare's Facility Affiliation Data lists Roberto Alonso 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 Roberto Alonso is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Roberto 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 clinicians: Nurse Practitioner, California →

Other nurse practitioners in Baldwin Park

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

All nurse practitioners in Baldwin Park →

Clinician information

CredentialNP
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174690911
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