Timothy O'Brien, MD
NPI 1912995184 · Ophthalmology Physician · Jamestown, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy O'Brien, MD is a Ophthalmology Physician provider in Jamestown, NY (NPI 1912995184).
Provider details
- NPI number
- 1912995184
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 195904 (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
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
2,789 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 Complete Exam of Visual System92014 | 463 | $119 |
| Imaging of Retina92134 | 445 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 436 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 351 | $121 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 234 | $24 |
| Exam of Visual Field With Extended Testing92083 | 180 | $60 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,288 | 270 |
| Prednisolone Acetate | 598 | 317 |
| Ketorolac Tromethamine | 459 | 290 |
| Moxifloxacin Hclbrand: Moxifloxacin | 443 | 273 |
| Timolol Maleate | 219 | 72 |
| Cyclosporine | 144 | 59 |
| Bimatoprostbrand: Lumigan | 138 | 29 |
| Cyclosporinebrand: Restasis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27,273 across 8 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
- 2005-10-11
- Last updated
- 2010-09-08
Frequently asked questions
- What is Timothy O'Brien's NPI number?
- Timothy O'Brien's National Provider Identifier (NPI) is 1912995184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy O'Brien's specialty?
- Timothy O'Brien is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy O'Brien located?
- Timothy O'Brien's practice location on file with NPPES is 27 Porter Ave, Jamestown, NY 14701-6221.
- What is Timothy O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Timothy O'Brien is (716) 483-2020.
- Does Timothy O'Brien accept Medicare?
- Timothy O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy O'Brien's NPI active?
- Yes — Timothy O'Brien's NPI (1912995184) is active in the NPPES registry as of the last update on 2010-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.