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Family Practice

Michael S. Aguilar, MD

Works at hospitals in Loma Linda, CA · California

Summary

Dr. Michael S. Aguilar, MD is a family doctor at 1454 E 2nd St, San Bernardino, CA 92408. Phone: (909) 382-7100. Accepts Medicare assignment. NPI 1992447239. 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: 1454 E 2nd St, San Bernardino, CA 92408 · Directions (2 more locations)
  • Phone: (909) 382‑7100
  • Medicare: Accepts Medicare assignment
  • Hospital: Loma Linda University Medical Center
  • Group practice: Sac Health System
  • Medical school: Loma Linda University School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael S. Aguilar, 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 Michael S. Aguilar accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Aguilar 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 Michael S. Aguilar's NPI number?
1992447239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael S. Aguilar works

Medicare's Facility Affiliation Data lists Michael S. Aguilar 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.

Practice locations

Addresses where Michael S. Aguilar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael S. Aguilar as a member of this group (CMS data updated October 2, 2026).

  • Sac Health System227 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in San Bernardino

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

All family doctors in San Bernardino →

Other clinicians in Sac Health System

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992447239
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