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Optometry

Dianne B. Dao, OD

Sees patients in Sugar Land, TX · Pearland, TX · Texas

Summary

Dr. Dianne B. Dao, OD is an optometrist at 1437 Hwy 6, Suite 400, Sugar Land, TX 77478. Phone: (281) 265-9090. Accepts Medicare assignment. In 2024, Dianne B. Dao had 32 Original Medicare patients and 51 services. NPI 1023026101. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 1437 Hwy 6, Suite 400, Sugar Land, TX 77478 · Directions (1 more location)
  • Phone: (281) 265‑9090
  • Medicare: Accepts Medicare assignment
  • Group practice: Aeg Texas Professional PLLC
  • Optometry school: University Of Houston - College Of Optometry · graduated 1998 (28 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dianne B. 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 Dianne B. Dao accept Medicare assignment?
Yes. Medicare's clinician data says Dianne B. 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.
How many Medicare patients does Dianne B. Dao see?
In 2024, CMS data shows 32 Original Medicare patients and 51 services for Dianne B. Dao. This counts Original Medicare only and measures volume, not quality.
What is Dianne B. Dao's NPI number?
1023026101. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Dianne B. Dao, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients32
Services billed to Medicare51
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes44%
  • Ischemic heart disease44%
  • Chronic kidney disease34%

Practice locations

Addresses where Dianne B. Dao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Aeg Texas Professional PLLC229 clinicians in the group

Specialties

Find other clinicians: Optometry, Texas →

Other optometrists in Sugar Land

Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.

All optometrists in Sugar Land →

Other clinicians in Aeg Texas Professional PLLC

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

Clinician information

CredentialOD
Optometry schoolUniversity Of Houston - College Of Optometry
Graduation year1998 (28 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023026101
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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