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Optometry

Tiffany C. Kwong, OD

Sees patients in Loma Linda, CA · California

Summary

Dr. Tiffany C. Kwong, OD is an optometrist at 11346 Mountain View Ave, Suite B, Loma Linda, CA 92354. Phone: (909) 796-0101. Accepts Medicare assignment. NPI 1003427469. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 11346 Mountain View Ave, Suite B, Loma Linda, CA 92354 · Directions
  • Phone: (909) 796‑0101
  • Medicare: Accepts Medicare assignment
  • Group practice: Annessa Du, O.D., a Professional Corporation
  • Optometry school: Southern California College Of Optometry · graduated 2020 (6 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Tiffany C. Kwong, 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 Tiffany C. Kwong accept Medicare assignment?
Yes. Medicare's clinician data says Tiffany C. Kwong 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 Tiffany C. Kwong's NPI number?
1003427469. 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 Tiffany C. Kwong is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tiffany C. Kwong as a member of this group (CMS data updated October 2, 2026).

  • Annessa Du, O.D., a Professional Corporation3 clinicians in the group

Specialties

Find other clinicians: Optometry, California →

Other optometrists in Loma Linda

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

All optometrists in Loma Linda →

Other clinicians in Annessa Du, O.D., a Professional Corporation

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

Clinician information

CredentialOD
Optometry schoolSouthern California College Of Optometry
Graduation year2020 (6 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003427469
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