Robert Chu, M.D.
NPI 1811997117 · Ophthalmology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Chu, M.D. is a Ophthalmology Physician provider in Rockville, MD (NPI 1811997117).
Provider details
- NPI number
- 1811997117
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D43341 (MD)
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
20 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
10,925 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) |
|---|---|---|
| Microfluid Analysis of Tears83861 | 2,695 | $22 |
| Photography of the Retina92250 | 1,477 | $42 |
| Imaging of Retina92134 | 1,371 | $44 |
| Established Patient Problem Focused Exam of Visual System92012 | 1,143 | $102 |
| Closure of Tear Duct Opening Using Plug68761 | 929 | $187 |
| Established Patient Complete Exam of Visual System92014 | 856 | $143 |
| Measurement of Corneal Curvature and Depth of Eye92136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 554 | 135 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 181 | 45 |
| Brimonidine Tartrate/Timololbrand: Combigan | 136 | 22 |
| Prednisolone Acetate | 114 | 96 |
| Cyclosporinebrand: Restasis | 113 | 33 |
| Timolol Maleate | 95 | 22 |
| Fluorometholone | 74 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,007 across 79 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
- 2005-07-28
- Last updated
- 2017-05-09
Frequently asked questions
- What is Robert Chu's NPI number?
- Robert Chu's National Provider Identifier (NPI) is 1811997117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Chu's specialty?
- Robert Chu is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Chu located?
- Robert Chu's practice location on file with NPPES is 6333 Executive Blvd, Rockville, MD 20852-3905.
- What is Robert Chu's phone number?
- The practice phone number listed in the NPPES registry for Robert Chu is (301) 770-2020.
- Does Robert Chu accept Medicare?
- Robert Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Chu's NPI active?
- Yes — Robert Chu's NPI (1811997117) is active in the NPPES registry as of the last update on 2017-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.