Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Olivia Hui-Chiun Chang, MD, MPH

Individual provider Obstetrics & Gynecology Physician · NPI 1881936862

Dr. Olivia Hui-Chiun Chang, MD, MPH is an Obstetrics/Gynecology in Orange, California. Graduated from Tulane University School of Medicine in 2013, 13 years ago. Practices with UCI Department of Urology, a 51-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Washington.

Years since qualifying
13
Trained at
Tulane University School of Medicine
Licensed in
CA, WA
In the registry since
2013
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 880-7812
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1959 Ne Pacific St, Seattle, WA 98195-0001 — (206) 520-5000

Specialties & licences

Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician (primary) Taxonomy 207VF0040X · Licence A182272 (CA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD61185981 (WA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence A182272 (CA)

Record details

NPI number1881936862
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedMarch 18, 2013
Last updated in NPPESFebruary 3, 2023
Certification dateJanuary 27, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Uci Department Of Urology — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Orange