Kong Chang, OD
NPI 1669429809 · Optometrist · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kong Chang, OD is a Optometrist provider in Oklahoma City, OK (NPI 1669429809).
Provider details
- NPI number
- 1669429809
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2355 (OK)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,021 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Photography of the Retina92250 | 359 | $31 |
| Established Patient Complete Exam of Visual System92014 | 171 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $79 |
| New Patient Complete Exam of Visual System92004 | 108 | $129 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 56 | $92 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 47 | $282 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 137 | 124 |
| Bepotastine Besilate | 91 | 39 |
| Latanoprost | 89 | 23 |
| Epinastine Hcl | 80 | 32 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 78 | 70 |
| Brimonidine Tartrate | 30 | — |
| Azelastine Hcl | 22 | — |
| Timolol Maleate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$922 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2008-04-20
Frequently asked questions
- What is Kong Chang's NPI number?
- Kong Chang's National Provider Identifier (NPI) is 1669429809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kong Chang's specialty?
- Kong Chang is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Kong Chang located?
- Kong Chang's practice location on file with NPPES is 5801 N May Ave, Oklahoma City, OK 73112-3947.
- What is Kong Chang's phone number?
- The practice phone number listed in the NPPES registry for Kong Chang is (405) 840-5664.
- Does Kong Chang accept Medicare?
- Kong Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kong Chang's NPI active?
- Yes — Kong Chang's NPI (1669429809) is active in the NPPES registry as of the last update on 2008-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.