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

Otolaryngology

Shannon O. Calaguas, MD

Sees patients in Loma Linda, CA · Rancho Cucamonga, CA · California

Summary

Dr. Shannon O. Calaguas, MD is an ENT doctor at 11370 Anderson St, Loma Linda, CA 92354. Phone: (909) 558-2806. Accepts Medicare assignment. NPI 1396309845. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: ENT doctor (Medicare lists Otolaryngology)
  • Address: 11370 Anderson St, Loma Linda, CA 92354 · Directions (1 more location)
  • Phone: (909) 558‑2806
  • Medicare: Accepts Medicare assignment
  • Group practice: Faculty Physicians and Surgeons of Llusm
  • Medical school: Loma Linda University School Of Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shannon O. Calaguas, 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 Shannon O. Calaguas accept Medicare assignment?
Yes. Medicare's clinician data says Shannon O. Calaguas 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 Shannon O. Calaguas's NPI number?
1396309845. 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 Shannon O. Calaguas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shannon O. Calaguas as a member of this group (CMS data updated October 2, 2026).

  • Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in Loma Linda

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

All ENT doctors in Loma Linda →

Other clinicians in Faculty Physicians and Surgeons of Llusm

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396309845
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 October 2, 2026, retrieved October 29, 2026
  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