NPPES file of Aug 9, 2026

Li Si Zeng, PA-C

Medical Physician Assistant · Newport Beach, CA

Li Si Zeng, PA-C is a medical physician assistant with a practice address in Newport Beach, California, and NPI 1083020606, issued on Jul 2, 2014. Check the license (California 51748, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083020606
Name
Li Si Zeng
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
51748 CA
Self-reported in NPPES; status is on the state search
Practice location
520 Superior Ave, Newport Beach, CA 92663
Phone
(949) 574-9300
Enumerated
Jul 2, 2014
Record last updated
Nov 23, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(949) 548-4544
Medicare enrollment
Enrolled (PECOS I20250819003892); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 520 Superior Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Greg Angstreich, MDHematology & Oncology Physician1659303873
  2. William Armstrong, MDFamily Medicine Physician1902133424
  3. Joanna Avery, MS, RDN, CDCESRegistered Dietitian1487081600
  4. Rajesh Banker, M.D.Clinical Cardiac Electrophysiology Physician1043425036
  5. Gary Carlson, MDInternal Medicine Physician1497700116
  6. John Champion, M.D.Cardiovascular Disease Physician1801980669

Verify Li Si Zeng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 51748
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Tien T Nguyen M.D. Inc.Fountain Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Li Si Zeng among 3,376 medical physician assistant records in California

Li Si Zeng, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.

  • NPI issued2014 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2014 · median 2012 among the 1,347 with a school on file
  • Record last updated2014 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Anne Burkel, PA-CNewport Beach, CA 926631942634753
  2. Kerstin Claunch, PA-CNewport Beach, CA 926631336503630
  3. Veronica Duggan, P.A.Newport Beach, CA 926631790883213
  4. Chantalle GarciaNewport Beach, CA 926631508669797
  5. Karen Hendrickx, P.A.Newport Beach, CA 926631952734048
  6. Crystal Huynh, PA-CNewport Beach, CA 926631093147712
  7. Christina Jasmer, PA-CNewport Beach, CA 926631871866848
  8. Christine Millare, PANewport Beach, CA 926631992854780

Common questions

What is Li Si Zeng, PA-C's NPI number?

Li Si Zeng, PA-C's National Provider Identifier (NPI) is 1083020606, issued on Jul 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Li Si Zeng, PA-C located?

The NPPES record lists a practice address at 520 Superior Ave, Newport Beach, CA, 92663. Phone: (949) 574-9300. Providers update this record themselves, so call before visiting.

How can I verify Li Si Zeng, PA-C's license?

NPPES lists California license number 51748, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.