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

Dr. Lien Ngoc Trinh, MD

Individual provider Pediatric Endocrinology Physician · NPI 1518082304

Dr. Lien Ngoc Trinh, MD is a Pediatric Medicine in Orange, California. Qualified in 2001, 25 years ago. Practices with Childrens Hospital of Orange County, a 71-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
25
Licensed in
CA, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

455 S Main St
Orange, CA 92868-3835
Phone: (714) 532-8634
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Endocrinology Physician (primary) Taxonomy 2080P0205X · Licence 87921 (CA)
Pediatric Endocrinology Physician Taxonomy 2080P0205X · Licence 233082 (NY)

Record details

NPI number1518082304
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESMarch 12, 2012

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Childrens Hospital Of Orange County — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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