Eileen Chang, M.D.
NPI 1831543347 · Glaucoma Specialist (Ophthalmology) Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eileen Chang, M.D. is a Glaucoma Specialist (Ophthalmology) Physician provider in New York, NY (NPI 1831543347).
Provider details
- NPI number
- 1831543347
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 315803-01 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,077 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 | 404 | $141 |
| Imaging of Optic Nerve92133 | 188 | $37 |
| Exam of Visual Field With Extended Testing92083 | 181 | $68 |
| Exam of the Internal Drainage System of Eye92020 | 106 | $30 |
| New Patient Complete Exam of Visual System92004 | 56 | $140 |
| Ultrasound Scan of Cornea to Determine Thickness76514 | 32 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 273 | 111 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 221 | 74 |
| Brimonidine Tartrate | 167 | 66 |
| Timolol Maleate | 129 | 48 |
| Netarsudil Mesylatebrand: Rhopressa | 81 | 24 |
| Prednisolone Acetate | 79 | 54 |
| Netarsudil Mesylat/Latanoprostbrand: Rocklatan | 71 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$568 across 18 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
Additional practice locations (2)
- 186 Joralemon StBrooklyn, NY 11201-4356Phone: (646) 962-2020
- 17415 Horace Harding Expy Lowr LevelFresh Meadows, NY 11365-1527Phone: (718) 661-8800
Registry dates
- Enumerated
- 2016-04-20
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Eileen Chang's NPI number?
- Eileen Chang's National Provider Identifier (NPI) is 1831543347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Chang's specialty?
- Eileen Chang is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is Eileen Chang located?
- Eileen Chang's practice location on file with NPPES is 1305 York Ave, New York, NY 10021-5663.
- What is Eileen Chang's phone number?
- The practice phone number listed in the NPPES registry for Eileen Chang is (631) 962-2020.
- Does Eileen Chang accept Medicare?
- Eileen Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eileen Chang's NPI active?
- Yes — Eileen Chang's NPI (1831543347) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.