NPPES file of Aug 9, 2026

Zhengzheng Sun, DDS

General Practice Dentistry · Covina, CA

Zhengzheng Sun, DDS is a general practice dentistry with a practice address in Covina, California, and NPI 1194266213, issued on Mar 9, 2017. Check the license (California 101986, 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
1194266213
Name
Zhengzheng Sun
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
101986 CA
Self-reported in NPPES; status is on the state search
Practice location
677 S 2ND Ave, Covina, CA 91723
Phone
(562) 228-6330
Enumerated
Mar 9, 2017
Record last updated
Jan 8, 2024
Medicare enrollment
Enrolled (PECOS I20241106001373); accepts Medicare assignment
Medical or professional school
Univ Of Calif, Los Angeles School Of Dentistry, 2016
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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Verify Zhengzheng 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 101986
    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

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89% more Medicare Part D claims than the average general practice dentistry in 2024

157 Medicare Part D claims for 63 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Zhengzheng Sun157
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate58 claims
  2. Amoxicillin40 claims
  3. Ibuprofen24 claims
  4. Sodium Fluoride Sensitive13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. City OF Hope Medical FoundationDuarte, CA

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

Zhengzheng Sun among 17,852 general practice dentistry records in California

Zhengzheng Sun, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 81% of them.

  • NPI issued2017 · 81% of these records are older, 17% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Graduated2016 · median 2009 among the 95 with a school on file
  • Record last updated2024 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 general practice dentistry records list a practice address in Covina

They are 41 of the 3,736 NPPES records with a practice address in Covina, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Wing Chung, DDSCovina, CA 917231699856930
  2. Beverly Sharon Fontejon, DDSCovina, CA 917231255482170
  3. Mark Gadberry, D.D.SCovina, CA 917231790883957
  4. Edison Han, D.D.S.Covina, CA 917231639235245
  5. Julie Holmes, D.D.S.Covina, CA 917231417971599
  6. Clifford Langlois, DDSCovina, CA 917231386790533
  7. Philip Maldonado, D.D.S.Covina, CA 917231376635136
  8. Steve Marteney, D.D.S.Covina, CA 917231093854440

Common questions

What is Zhengzheng Sun, DDS's NPI number?

Zhengzheng Sun, DDS's National Provider Identifier (NPI) is 1194266213, issued on Mar 9, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Zhengzheng Sun, DDS located?

The NPPES record lists a practice address at 677 S 2ND Ave, Covina, CA, 91723. Phone: (562) 228-6330. Providers update this record themselves, so call before visiting.

How can I verify Zhengzheng Sun, DDS's license?

NPPES lists California license number 101986, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Zhengzheng Sun, DDS prescribe under Medicare Part D?

In 2024, Zhengzheng Sun, DDS had 157 Medicare Part D claims for 63 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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.