NPPES file of Aug 9, 2026

Ning Sun, FNP-BC

Family Nurse Practitioner · Tustin, CA

Ning Sun, FNP-BC is a family nurse practitioner with a practice address in Tustin, California, and NPI 1003340977, issued on Apr 17, 2017. Check the license (California 95021590, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003340977
Name
Ning Sun
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95021590 CA
Self-reported in NPPES; status is on the state search
Practice location
2492 Walnut Ave Ste 100, Tustin, CA 92780
Phone
(714) 709-8000
Enumerated
Apr 17, 2017
Record last updated
Mar 10, 2025
Fax
(714) 709-8080
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 2492 Walnut Ave Ste 100

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

  1. Carrie Lam, M.D.Family Medicine Physician1669822284
  2. Dorine Lam, RDNRegistered Dietitian1538772595
  3. Jeremy Lam, M.D.Internal Medicine Physician1083140172
  4. Brittani Laski, FNPPrimary Care Nurse Practitioner1912528829
  5. Kellie Nguyen, FNP-CFamily Nurse Practitioner1932886991

Verify Ning Sun 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 95021590    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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Industry payments in 2024: $146.72

2 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ning Sun$146.72
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Ning Sun among 16,966 family nurse practitioner records in California

Ning Sun, FNP-BC is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 40% of them.

  • NPI issued2017 · 40% of these records are older, 55% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 family nurse practitioner records list a practice address in Tustin

They are 56 of the 2,221 NPPES records with a practice address in Tustin, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Tustin → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Cynthia Cohen, RN,FNP-CTustin, CA 927801902891252
  2. Sol Estrella, FNP-BCTustin, CA 927801265976021
  3. Amanda Imai, NPTustin, CA 927801508195231
  4. Bernice Jacob, FNPTustin, CA 927801215472949
  5. Sharron Krueger, RNPTustin, CA 927801851684237
  6. Holly Leo, NPTustin, CA 927801467663666
  7. Julie Lopes, RN, NPTustin, CA 927801821358979
  8. Rema Nair, NPTustin, CA 927801881081966

Common questions

What is Ning Sun, FNP-BC's NPI number?

Ning Sun, FNP-BC's National Provider Identifier (NPI) is 1003340977, issued on Apr 17, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ning Sun, FNP-BC located?

The NPPES record lists a practice address at 2492 Walnut Ave Ste 100, Tustin, CA, 92780. Phone: (714) 709-8000. Providers update this record themselves, so call before visiting.

How can I verify Ning Sun, FNP-BC's license?

NPPES lists California license number 95021590, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.