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Optometry

Nina H. Dao, OD

Sees patients in Simi Valley, CA · California

Summary

Dr. Nina H. Dao, OD is an optometrist at 3900 Alamo St, Simi Valley, CA 93063. Phone: (805) 582-0100. Accepts Medicare assignment. NPI 1134200165. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 3900 Alamo St, Simi Valley, CA 93063 · Directions
  • Phone: (805) 582‑0100
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Optometry school: New England College Of Optometry · graduated 2001 (25 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nina H. Dao, 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 Nina H. Dao accept Medicare assignment?
Yes. Medicare's clinician data says Nina H. Dao 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 Nina H. Dao's NPI number?
1134200165. 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 Nina H. Dao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nina H. Dao as a member of this group (CMS data updated October 2, 2026).

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

Specialties

Find other clinicians: Optometry, California →

Other optometrists in Simi Valley

Clinicians with the same Medicare primary specialty in Simi Valley, CA — not a recommendation.

All optometrists in Simi Valley →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialOD
Optometry schoolNew England College Of Optometry
Graduation year2001 (25 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134200165
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