Are you Timothy Chen, M.D? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 101 the City Dr S, Orange, CA 92868
About Dr. Chen
Based in Orange, CA, Timothy Chen, M.D is listed in the NPI registry under ophthalmology. Timothy graduated from Columbia University College of Physicians and Surgeons in 2020. According to Medicare claims data, the services billed most often include imaging of retina. NPI 1821617259 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 456-7890
- Email not available
Practice Locations
101 THE CITY DR S
Orange, CA 92868
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
13 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of retina | Treatment | 92134 |
13 | Less often than most peers in Ophthalmology |
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 eye doctors 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.
Other eye doctors in Orange 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Imaging of retina 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Timothy Chen's specialty?
Timothy Chen is an eye doctor in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Timothy Chen?
Timothy Chen is listed at 101 the City Dr S, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Timothy Chen?
The number on file is (714) 456-7890. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Timothy Chen?
Timothy Chen's National Provider Identifier is 1821617259. 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
What is Timothy Chen's education?
Timothy Chen attended Columbia University College of Physicians and Surgeons, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Timothy Chen have?
Timothy Chen has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Timothy Chen known for?
According to Medicare billing data, Timothy Chen provides treatments such as imaging of retina. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Timothy Chen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Timothy Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.