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

Li Si Zeng, PA-C

Individual provider Medical Physician Assistant · NPI 1083020606

Li Si Zeng, PA-C is a Physician Assistant in Newport Beach, California. Graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2014, 12 years ago. Practices with Tien T Nguyen MD Inc, a 6-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
Touro Un College of Osteopathic Medicine, Vallejo
Licensed in
CA
In the registry since
2014
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

520 Superior Ave Ste 270
Newport Beach, CA 92663-3637
Phone: (949) 574-9300
Fax: (949) 548-4544
Show map & directions

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

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 51748 (CA)

Record details

NPI number1083020606
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 2, 2014
Last updated in NPPESNovember 23, 2014

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolTOURO UN COLLEGE OF OSTEOPATHIC MEDICINE, VALLEJO
Graduated 2014 (12 years in practice)
Group practice Tien T Nguyen M.D. Inc. — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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