Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821617259 Individual Practitioner Male Practitioner

Dr. Timothy Chen , MD

Ophthalmology • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Timothy Chen, MD is a certified Ophthalmology practicing in Orange, CA. With approximately 6 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 2020, Dr. Chen delivers high-quality medical care to the local community at 101 THE CITY DR S.

Dr. Chen is affiliated with Regents Of The University Of California and accepts Medicare assignment.

Frequently performed procedures and clinical services include imaging of retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S

Orange, CA 928683201

Telephone 7144567890
Associated Practice Facility / Clinic
🏢 The Department Of Psychiatry Facility NPI 1831159003

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

2020

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Orange, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
6 Yrs -12.3 yrs vs City Avg
City Avg: 18.3 Yrs
State Avg: 29.5 Yrs
Regional Practice Density
41 Specialists

Practicing in Orange, CA (3116 Statewide)

Telehealth Adoption Rate
2.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
79.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (6 Years) 6 Yrs
Orange Specialty Average (18.3 Years) 18.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92134 Imaging of retina
13 11 $125.00 $26.14

Medical Specialties & State Licenses

CMS Verified: 2024-05-13
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA 194317

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.

Hospital & Practice Group Affiliations

Regents Of The University Of California

101 The City Dr S, Orange, CA 928683201

Phone: 7144568068

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Isabel Clark , MD

Surgery - Trauma Surgery

NPI 1003262510

Doctor of Medicine (M.D.)

Dr. Antonio Halais Frangieh , MD, MPH

Internal Medicine - Interventional Cardiology

NPI 1003558420

Doctor of Medicine (M.D.), Master of Public Health

Douglas Roszell , RN

Registered Nurse - Administrator

NPI 1003788613

Registered Nurse

Dr. Mark Wylam , MD

Internal Medicine - Critical Care Medicine

NPI 1003880865

Doctor of Medicine (M.D.)

Evan Shih

Internal Medicine

NPI 1013440320
Toyen Yoshizuka , PA-C

Physician Assistant

NPI 1013510825

Physician Assistant (Certified)

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location May 13, 2024

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144567890)

📍
Updated Business Mailing Address May 13, 2024

Registered at 101 THE CITY DR S, ORANGE, CA 928683201

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 13, 2024

Ophthalmology (License #194317 in CA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2023

Student in an Organized Health Care Education/Training Program

NPI Profile Active April 15, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location April 15, 2020

Registered at 200 LOTHROP ST, UPMC MONTEFIORE HOSPITAL, SUITE N715, PITTSBURGH, PA 15213 (Tel: 4126924942)

📍
Updated Business Mailing Address April 15, 2020

Registered at 3600 FORBES AVENUE, FORBES TOWER - PLAZA LEVEL SUITE 140, PITTSBURGH, PA 15213

👤
Provider Name / Credentials Updated April 15, 2020

Recorded as TIMOTHY CHEN, M.D

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 15, 2020

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 15, 2020

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: 1821617259
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 15, 2020
Last Update: May 13, 2024
Sole Proprietor: No

Mailing Address

101 The City Dr S

Orange, CA 928683201

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.