Timothy Chou, M.D.
NPI 1588669469 · Ophthalmology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Chou, M.D. is a Ophthalmology Physician provider in Stony Brook, NY (NPI 1588669469).
Provider details
- NPI number
- 1588669469
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 197291 (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
21 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
2,009 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 | 552 | $104 |
| Established Patient Complete Exam of Visual System92014 | 412 | $147 |
| Microfluid Analysis of Tears83861 | 218 | $22 |
| Imaging of Optic Nerve92133 | 158 | $42 |
| New Patient Complete Exam of Visual System92004 | 100 | $174 |
| Ct Scan of Cornea92025 | 97 | $41 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 145 | 95 |
| Latanoprost | 85 | 33 |
| Brimonidine Tartrate | 74 | 35 |
| Cyclosporinebrand: Restasis | 72 | 43 |
| Perfluorohexyloctane/Pfbrand: Miebo | 69 | 25 |
| Cyclosporine | 65 | 29 |
| Erythromycin Basebrand: Erythromycin | 61 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,278 across 49 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
- 2005-06-16
- Last updated
- 2008-11-20
Frequently asked questions
- What is Timothy Chou's NPI number?
- Timothy Chou's National Provider Identifier (NPI) is 1588669469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Chou's specialty?
- Timothy Chou is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Chou located?
- Timothy Chou's practice location on file with NPPES is Suny Stony Brk, Stony Brook, NY 11794-0001.
- What is Timothy Chou's phone number?
- The practice phone number listed in the NPPES registry for Timothy Chou is (631) 444-1448.
- Does Timothy Chou accept Medicare?
- Timothy Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Chou's NPI active?
- Yes — Timothy Chou's NPI (1588669469) is active in the NPPES registry as of the last update on 2008-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.