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

Yongen Chang, MD, PHD

Individual provider Specialist · NPI 1932490034

Yongen Chang, MD, PHD is a Nephrology in Orange, California. Qualified in 2001, 25 years ago. Practices with Uc Regents, a 306-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2011
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

101 The City Dr S Ste 400
Orange, CA 92868-3201
Phone: (714) 456-7004
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A115410 (CA)
Specialist Taxonomy 174400000X · Licence A115410 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A115410 (CA)

Record details

NPI number1932490034
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 22, 2011
Last updated in NPPESSeptember 27, 2024
Certification dateSeptember 27, 2024

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Orange