Joanna Liu, O.D., M.S.
NPI 1548965866 · Optometrist · New York, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Liu, O.D., M.S. is a Optometrist provider in New York, NY (NPI 1548965866).
Provider details
- NPI number
- 1548965866
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D., M.S.
- Sex
- Female
- Sole proprietor
- No
- License
- 009764 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 141 | 36 |
| Bimatoprostbrand: Lumigan | 75 | 15 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | — |
| Cyclosporinebrand: Restasis | 34 | — |
| Brimonidine Tartrate/Timololbrand: Combigan | 30 | 13 |
| Brimonidine Tartrate | 24 | — |
| Dorzolamide Hcl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$471 across 9 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
- 2023-04-04
- Last updated
- 2023-12-13
- Certified
- 2023-12-13
Frequently asked questions
- What is Joanna Liu's NPI number?
- Joanna Liu's National Provider Identifier (NPI) is 1548965866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Liu's specialty?
- Joanna Liu is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Joanna Liu located?
- Joanna Liu's practice location on file with NPPES is 4738 Broadway, New York, NY 10040-1103.
- What is Joanna Liu's phone number?
- The practice phone number listed in the NPPES registry for Joanna Liu is (646) 661-7615.
- Does Joanna Liu accept Medicare?
- Joanna Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Liu's NPI active?
- Yes — Joanna Liu's NPI (1548965866) is active in the NPPES registry as of the last update on 2023-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.