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Optometry

Julie P. Kao, OD

Sees patients in Largo, MD · Reston, VA · Maryland, Virginia

Summary

Dr. Julie P. Kao, OD is an optometrist at 1221 Mercantile Ln, Largo, MD 20774. Phone: (301) 618-5700. Accepts Medicare assignment. In 2024, Julie P. Kao had 13 Original Medicare patients and 17 services. NPI 1285718437. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 1221 Mercantile Ln, Largo, MD 20774 · Directions (1 more location)
  • Phone: (301) 618‑5700
  • Medicare: Accepts Medicare assignment
  • Group practice: Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
  • Optometry school: Pennsylvania College Of Optometry · graduated 2002 (24 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Julie P. Kao, 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 Julie P. Kao accept Medicare assignment?
Yes. Medicare's clinician data says Julie P. Kao 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 Julie P. Kao see?
In 2024, CMS data shows 13 Original Medicare patients and 17 services for Julie P. Kao. This counts Original Medicare only and measures volume, not quality.
What is Julie P. Kao's NPI number?
1285718437. 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 Julie P. Kao, 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 patients13
Services billed to Medicare17
Different services or procedures3
Participating Medicare providerYes
Average age of these patients69

Practice locations

Addresses where Julie P. Kao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Julie P. Kao as a member of this group (CMS data updated October 2, 2026).

  • Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

Find other clinicians: Optometry, Maryland →

Other optometrists in Largo

Clinicians with the same Medicare primary specialty in Largo, MD — not a recommendation.

All optometrists in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

Clinician information

CredentialOD
Optometry schoolPennsylvania College Of Optometry
Graduation year2002 (24 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285718437
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