Nhu-Y Dao, M.D.
NPI 1346506094 · Ophthalmology Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nhu-Y Dao, M.D. is a Ophthalmology Physician provider in Waterbury, CT (NPI 1346506094).
Provider details
- NPI number
- 1346506094
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- Q8239 (TX)
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
14 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
1,983 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 551 | $137 |
| Imaging of Retina92134 | 328 | $43 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 275 | $97 |
| Imaging of Optic Nerve92133 | 207 | $37 |
| Exam of Visual Field With Extended Testing92083 | 146 | $69 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 136 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 367 | 212 |
| Latanoprost | 333 | 87 |
| Ofloxacin | 330 | 193 |
| Timolol Maleate | 137 | 45 |
| Ketorolac Tromethamine | 107 | 51 |
| Cyclosporinebrand: Restasis | 80 | 30 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 71 | 19 |
| Brimonidine Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 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
- 2012-04-06
- Last updated
- 2024-06-26
- Certified
- 2024-06-26
Frequently asked questions
- What is Nhu-Y Dao's NPI number?
- Nhu-Y Dao's National Provider Identifier (NPI) is 1346506094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nhu-Y Dao's specialty?
- Nhu-Y Dao is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nhu-Y Dao located?
- Nhu-Y Dao's practice location on file with NPPES is 1201 W Main St, Waterbury, CT 06708-3105.
- What is Nhu-Y Dao's phone number?
- The practice phone number listed in the NPPES registry for Nhu-Y Dao is (203) 597-9100.
- Does Nhu-Y Dao accept Medicare?
- Nhu-Y Dao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nhu-Y Dao's NPI active?
- Yes — Nhu-Y Dao's NPI (1346506094) is active in the NPPES registry as of the last update on 2024-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.