Nancy Tsai, MD
NPI 1184732885 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Tsai, MD is a Ophthalmology Physician provider in New York, NY (NPI 1184732885).
Provider details
- NPI number
- 1184732885
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 194271 (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
988 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) |
|---|---|---|
| Exam of the Internal Drainage System of Eye92020 | 147 | $30 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 144 | $17 |
| Exam of Visual Field With Extended Testing92083 | 126 | $71 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $101 |
| Imaging of Optic Nerve92133 | 90 | $37 |
| Photography of the Retina92250 | 84 | $41 |
| Established Patient Complete Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporinebrand: Restasis | 3,221 | 826 |
| Azelastine Hcl | 1,724 | 385 |
| Bepotastine Besilate | 1,029 | 269 |
| Latanoprost | 773 | 190 |
| Lifitegrastbrand: Xiidra | 607 | 168 |
| Bimatoprostbrand: Lumigan | 426 | 77 |
| Brimonidine Tartrate | 376 | 174 |
| Cyclosporine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14,288 across 116 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
- 2006-08-25
- Last updated
- 2011-03-10
Frequently asked questions
- What is Nancy Tsai's NPI number?
- Nancy Tsai's National Provider Identifier (NPI) is 1184732885, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Tsai's specialty?
- Nancy Tsai is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Tsai located?
- Nancy Tsai's practice location on file with NPPES is 99 Elizabeth Street, 2fl, New York, NY 10013.
- What is Nancy Tsai's phone number?
- The practice phone number listed in the NPPES registry for Nancy Tsai is (212) 227-8837.
- Does Nancy Tsai accept Medicare?
- Nancy Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Tsai's NPI active?
- Yes — Nancy Tsai's NPI (1184732885) is active in the NPPES registry as of the last update on 2011-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.