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

Ophthalmology

Annie Chang, MD

Sees patients in Arvada, CO · Colorado

Summary

Annie Chang, MD (Ophthalmology) is enrolled with Medicare at 1 practice location in Arvada, CO. NPI 1699738336. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Annie Chang, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
University Of Virginia School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Where does Annie Chang see patients?
Medicare's clinician data lists 1 practice location in Arvada, CO. Call before your visit to confirm the address.
What is Annie Chang's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Annie Chang accept Medicare assignment?
Yes. Medicare's clinician data says Annie Chang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Annie Chang?
(303) 422-2305, as listed in official Medicare / NPI Registry data.
What is Annie Chang's NPI number?
1699738336. 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 Annie Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in Colorado →

Other ophthalmologists in Colorado

Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.

All ophthalmologists in Colorado →

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year1996
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699738336
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 2026-10-02, retrieved 2026-10-29
  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