Mayling Chin Chu, MD
NPI 1801934021 · Ophthalmology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mayling Chin Chu, MD is a Ophthalmology Physician provider in Brooklyn, NY (NPI 1801934021).
Provider details
- NPI number
- 1801934021
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1635481 (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
3,495 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 Problem Focused Exam of Visual System92012 | 954 | $101 |
| Established Patient Complete Exam of Visual System92014 | 640 | $143 |
| Exam of Visual Field With Extended Testing92083 | 508 | $73 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 424 | $28 |
| Photography of the Retina92250 | 245 | $41 |
| Imaging of Optic Nerve92133 | 243 | $40 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 669 | 194 |
| Bimatoprostbrand: Lumigan | 336 | 87 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 249 | 52 |
| Timolol Maleate | 171 | 55 |
| Erythromycin Basebrand: Erythromycin | 149 | 62 |
| Brimonidine Tartrate/Timololbrand: Combigan | 108 | 21 |
| Cyclosporinebrand: Restasis | 106 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$423 across 16 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
- 2007-02-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mayling Chin Chu's NPI number?
- Mayling Chin Chu's National Provider Identifier (NPI) is 1801934021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mayling Chin Chu's specialty?
- Mayling Chin Chu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mayling Chin Chu located?
- Mayling Chin Chu's practice location on file with NPPES is 48 Livingston Street, Brooklyn, NY 11201.
- What is Mayling Chin Chu's phone number?
- The practice phone number listed in the NPPES registry for Mayling Chin Chu is (718) 875-1184.
- Does Mayling Chin Chu accept Medicare?
- Mayling Chin Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mayling Chin Chu's NPI active?
- Yes — Mayling Chin Chu's NPI (1801934021) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.