NPPES file of Aug 9, 2026

Katherine H. Yang, DDS

General Practice Dentistry · San Jose, CA

Katherine H. Yang, DDS is a general practice dentistry with a practice address in San Jose, California, and NPI 1942247184, issued on May 31, 2006. Check the license (California 55118, 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
1942247184
Name
Katherine H. Yang
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License numbers
55118 CA
D8619 OR
Self-reported in NPPES; status is on the state search
Practice location
1153 S. King RD, San Jose, CA 95122
Phone
(510) 792-5551
Enumerated
May 31, 2006
Record last updated
Jan 29, 2016 (not updated in 10 years: call before relying on the address or phone)
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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Verify Katherine H. Yang 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 55118
    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
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77% fewer Medicare Part D claims than the average general practice dentistry in 2024

19 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 74% of claims.

  1. Katherine Yang19
  2. Specialty average83

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.

Katherine H. Yang among 17,852 general practice dentistry records in California

Katherine H. Yang, 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 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).

583 general practice dentistry records list a practice address in San Jose

They are 583 of the 20,925 NPPES records with a practice address in San Jose, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jimmy Cham, DDSSan Jose, CA 951221164429916
  2. Khai Dong, DDSSan Jose, CA 951221992873806
  3. Hien Ha, D.M.DSan Jose, CA 951221215924287
  4. Mitsu Joshi, DDSSan Jose, CA 951221972519577
  5. Vijaya Kiran, DDSSan Jose, CA 951221578621470
  6. Tiffani Le, D.D.SSan Jose, CA 951221992898621
  7. Suong Le, D.D.S.San Jose, CA 951221134276124
  8. Thuan Nguyen, DDSSan Jose, CA 951221538136569

Common questions

What is Katherine H. Yang, DDS's NPI number?

Katherine H. Yang, DDS's National Provider Identifier (NPI) is 1942247184, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine H. Yang, DDS located?

The NPPES record lists a practice address at 1153 S. King RD, San Jose, CA, 95122. Phone: (510) 792-5551. Providers update this record themselves, so call before visiting.

How can I verify Katherine H. Yang, DDS's license?

NPPES lists California license number 55118, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine H. Yang, DDS prescribe under Medicare Part D?

In 2024, Katherine H. Yang, DDS had 19 Medicare Part D claims; 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.