Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Karen Sun:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (10)

The overall average patient rating of Dr. Karen Sun is Good. Dr. Sun has been reviewed by 25 patients who have provided 10 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.5
Courteous Staff 4.4
Accurate Diagnosis 3.8
Bedside Manner 3.8
Spends Time with Me 4.4
Follows Up After Visit 4.1

Specialties & Research

  • She has special expertise in 1 area:
  • Integrative Holistic Medicine

Education & Awards

Dr. Sun graduated from National Taiwan University, Taipei.


  • Mandarin

> > > > Dr. Karen Sun, MD

Similar doctors nearby

Dr. Brent Silvers

Internal Medicine
24 years experience
Irvine, CA

Dr. Allan Sosin

Internal Medicine
43 years experience
Irvine, CA

Dr. Tony Pham

General Practice
18 years experience
Irvine, CA

Dr. Michael Waldman

Internal Medicine
27 years experience
Irvine, CA

Dr. Richard Schluessel

Internal Medicine
29 years experience
Irvine, CA

Dr. Richard Cho

Internal Medicine
18 years experience
Irvine, CA
Search All Similar Doctors
Additional Information
Dr. Karen Ying-Ying Sun MD is a female Internist, has 34 years of experience and practices in Internal Medicine.
Where does Dr. Karen Y. Sun practice?
Dr. Karen Sun has 1 office location.
Dr. Karen Sun practices Internal Medicine near Irvine, CA.
See Irvine Internists.