Are you Katherine G. Chen, MS? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 850 Health Sciences Rd, Irvine, CA 92697
About Katherine Chen
Katherine G. Chen, MS practices ophthalmology in Irvine, CA. Katherine is a 2019 graduate of University of California, Irvine, California College of Medicine. Katherine is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Katherine cared for 267 Medicare patients across 270 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and photography of the retina. The provider's National Provider Identifier (NPI) is 1699237420.
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
- (949) 824-7105
- Email not available
Practice Locations
850 HEALTH SCIENCES RD
Irvine, CA 92697
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
270 services · 267 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Transplantation of outer layer of corneal tissue | Procedure | 65756 |
22 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
34 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
34 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
28 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
16 | Less often than most peers in Ophthalmology |
| Photography of content of eyes | Treatment | 92285 |
15 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
15 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
13 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
59 | Less often than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
34 | 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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 — 26 related providers in 4 groups
Other eye doctors in Irvine 4
Same specialty, same city.
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at University of California, Irvine, California College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Transplantation of outer layer of corneal tissue 6
Providers in CA who bill this service to Medicare most often.
Common questions
What does Katherine G. Chen specialize in?
Katherine G. Chen is an eye doctor in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Katherine G. Chen located?
Katherine G. Chen is listed at 850 Health Sciences Rd, Irvine, CA 92697. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine G. Chen's phone number?
The number on file is (949) 824-7105. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Katherine G. Chen's NPI number?
Katherine G. Chen's National Provider Identifier is 1699237420. 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 Katherine G. Chen train?
Katherine G. Chen attended University of California, Irvine, California College of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Katherine G. Chen been practicing?
Katherine G. Chen has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Katherine G. Chen do most often?
According to Medicare billing data, Katherine G. Chen performs procedures including transplantation of outer layer of corneal tissue; provides treatments such as photography of the retina and established patient problem focused exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Katherine G. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine G. Chen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.