Keith Chang, MD
NPI 1588703995 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Chang, MD is a Ophthalmology Physician provider in New York, NY (NPI 1588703995).
Provider details
- NPI number
- 1588703995
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 193442 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,509 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 320 | $140 |
| Established Patient Problem Focused Exam of Visual System92012 | 185 | $100 |
| Photography of the Retina92250 | 150 | $40 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 143 | $17 |
| Imaging of Retina92134 | 134 | $45 |
| Imaging of Optic Nerve92133 | 130 | $39 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 2,605 | 615 |
| Azelastine Hcl | 1,857 | 408 |
| Bepotastine Besilate | 1,596 | 321 |
| Latanoprost | 1,196 | 217 |
| Prednisolone Acetate | 1,169 | 693 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 1,108 | 817 |
| Bimatoprostbrand: Lumigan | 577 | 145 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,477 across 55 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
- 2007-02-05
- Last updated
- 2007-11-19
Frequently asked questions
- What is Keith Chang's NPI number?
- Keith Chang's National Provider Identifier (NPI) is 1588703995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Chang's specialty?
- Keith Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Chang located?
- Keith Chang's practice location on file with NPPES is 217 Grand St # 302, New York, NY 10013-4223.
- What is Keith Chang's phone number?
- The practice phone number listed in the NPPES registry for Keith Chang is (212) 965-8883.
- Does Keith Chang accept Medicare?
- Keith Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Chang's NPI active?
- Yes — Keith Chang's NPI (1588703995) is active in the NPPES registry as of the last update on 2007-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.