Physician Profile
Unclaimed ProfileAbout O'BRIEN
Timothy J O'Brien, MD is a healthcare provider in Jamestown, NY specializing in ophthalmology. Timothy trained at Jefferson Medical College of Thomas Jefferson University, graduating in 1990. According to Medicare claims data, Timothy cared for 2,159 Medicare patients across 2,877 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (716) 483-2020
- Email not available
Practice Locations
27 PORTER AVE
Jamestown, NY 14701
Procedures Most Often Billed to Medicare
2,877 services · 2,159 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
131 |
| Injection of drug into eye | Procedure | 67028 |
99 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
86 |
| Closure of tear duct opening using plug | Procedure | 68761 |
60 |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
33 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
12 |
| Established patient complete exam of visual system | Treatment | 92014 |
463 |
| Imaging of retina | Treatment | 92134 |
445 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
234 |
| Exam of visual field with extended testing | Treatment | 92083 |
180 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Jefferson Medical College of Thomas Jefferson University 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. O'Brien specialize in?
Dr. O'Brien is an ophthalmology in Jamestown, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. O'Brien located?
Dr. O'Brien is listed at 27 PORTER AVE, Jamestown, NY 14701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. O'Brien's phone number?
The number on file is (716) 483-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1912995184. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. O'Brien go to medical school?
Dr. O'Brien attended Jefferson Medical College of Thomas Jefferson University, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Brien been practicing?
Dr. O'Brien has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. O'Brien do most often?
According to Medicare billing data, Dr. O'Brien performs procedures including removal of cataract with insertion of prosthetic lens, injection of drug into eye and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.