Ian Chan, MD
NPI 1942406756 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Chan, MD is a Ophthalmology Physician provider in New York, NY (NPI 1942406756).
Provider details
- NPI number
- 1942406756
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A115880 (CA)
Specialties & taxonomies
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
18 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
1,571 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) |
|---|---|---|
| Imaging of Retina92134 | 546 | $48 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 276 | $107 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 241 | $29 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 238 | $151 |
| Injection of Drug Into Eye67028 | 210 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 335 | 153 |
| Prednisolone Acetate | 248 | 108 |
| Latanoprost | 158 | 44 |
| Cyclosporinebrand: Restasis | 138 | 26 |
| Brimonidine Tartratebrand: Alphagan P | 137 | 40 |
| Afliberceptbrand: Eylea | 130 | 51 |
| Bromfenac Sodiumbrand: Prolensa | 116 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 2 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
- 2007-06-27
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Ian Chan's NPI number?
- Ian Chan's National Provider Identifier (NPI) is 1942406756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Chan's specialty?
- Ian Chan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Chan located?
- Ian Chan's practice location on file with NPPES is 139 Centre St Ph 113, New York, NY 10013.
- What is Ian Chan's phone number?
- The practice phone number listed in the NPPES registry for Ian Chan is (917) 238-7875.
- Does Ian Chan accept Medicare?
- Ian Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Chan's NPI active?
- Yes — Ian Chan's NPI (1942406756) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.