Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1699237420 Individual Practitioner Female Practitioner

Katherine Grace Chen , MS

Ophthalmology • Irvine, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Katherine Chen, MS is a certified Ophthalmology practicing in Irvine, CA. With approximately 7 years of clinical experience since graduating from University Of California, Irvine, California College Of Medicine in 2019, Katherine Chen delivers high-quality medical care to the local community at 850 HEALTH SCIENCES RD.

Katherine Chen is affiliated with Eye Physicians Of The East Bay Medical Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, photography of the retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

850 Health Sciences Rd

Irvine, CA 926977242

Telephone 9498247105
Associated Practice Facility / Clinic
🏢 Gavin Herbert Eye Institute Facility NPI 1942635313

Medicare Profile & Education

Medical School

University Of California, Irvine, California College Of Medicine

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Irvine, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -11.1 yrs vs City Avg
City Avg: 18.1 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
43 Specialists

Practicing in Irvine, CA (3116 Statewide)

Telehealth Adoption Rate
7.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
65.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (7 Years) 7 Yrs
Irvine Specialty Average (18.1 Years) 18.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
59 58 $191.00 $153.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
34 34 $246.00 $197.67
92250 Photography of the retina
34 34 $94.00 $46.66
92012 Established patient problem focused exam of visual system
34 34 $142.00 $113.17
92134 Imaging of retina
28 28 $102.82 $47.64
65756 Transplantation of outer layer of corneal tissue
22 22 $1810.50 $200.53
92133 Imaging of optic nerve
16 16 $92.00 $43.36
92083 Exam of visual field with extended testing
15 15 $162.00 $82.25
92285 Photography of content of eyes
15 13 $62.00 $31.39
92014 Established patient complete exam of visual system
13 13 $199.00 $158.55

Medical Specialties & State Licenses

CMS Verified: 2023-05-06
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A184907

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

State License IL 125.076053

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Eye Physicians Of The East Bay Medical Corporation

80 Grand Ave, Oakland, CA 946123744

Phone: 5108934318

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners
Rachel Huynh

Ophthalmology

NPI 1356086821
Dr. Brandon Bates , MD

Ophthalmology - Cornea and External Diseases Specialist

NPI 1376288274

Doctor of Medicine (M.D.)

NPI 1598329989

Doctor of Medicine (M.D.), Master of Science

Brittany Tsou

Ophthalmology

NPI 1629548839
NPI 1659966018

Doctor of Medicine (M.D.)

Chia Wei Hsu

Ophthalmology - Neuro-ophthalmology

NPI 1811638471

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location May 08, 2023

Registered at 850 HEALTH SCIENCES RD, IRVINE, CA 926977242 (Tel: 9498247105)

📍
Updated Business Mailing Address May 08, 2023

Registered at 850 HEALTH SCIENCES RD FL 3, IRVINE, CA 926173058 (Tel: 9498247105)

📍
Updated Practice Location June 16, 2020

Registered at 1855 W TAYLOR ST, CHICAGO, IL 606127242 (Tel: 3129967774)

📍
Updated Business Mailing Address June 16, 2020

Registered at 1855 W TAYLOR ST, CHICAGO, IL 606127242 (Tel: 3129967774)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 16, 2020

Student in an Organized Health Care Education/Training Program (License #125.076053 in IL)

NPI Profile Active April 01, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location April 01, 2019

Registered at 1000 W CARSON ST, TORRANCE, CA 905022004 (Tel: 3102222401)

📍
Updated Business Mailing Address April 01, 2019

Registered at 1000 W CARSON ST, TORRANCE, CA 905022004

👤
Provider Name / Credentials Updated April 01, 2019

Recorded as KATHERINE CHEN, MS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 01, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1699237420
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 01, 2019
Last Update: May 08, 2023
Sole Proprietor: No

Mailing Address

850 Health Sciences Rd Fl 3

Irvine, CA 926173058

Phone: 9498247105

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.