NPPES file of Aug 9, 2026

Diane Liang, D.D.S.

General Practice Dentistry · San Jose, CA

Diane Liang, D.D.S. is a general practice dentistry with a practice address in San Jose, California, and NPI 1073980090, issued on Aug 25, 2015. Check the license (California 65019, 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
1073980090
Name
Diane Liang
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
65019 CA
Self-reported in NPPES; status is on the state search
Practice location
242 LA Pala Dr, San Jose, CA 95127
Phone
(408) 729-9700
Enumerated
Aug 25, 2015
Record last updated
Aug 25, 2015 (not updated in 11 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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Also registered at 242 LA Pala Dr

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

  1. Jessica Ma, D.D.SDentist1104376052
  2. Leticia Melo, DHDental Hygienist1538603105
  3. Katina Phan, DHDental Hygienist1477097046
  4. Vinni Singh, DDSDentist1649605726
  5. Maria Socorro Valdez, DDSGeneral Practice Dentistry1750807970

Verify Diane Liang 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 65019
    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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24% fewer Medicare Part D claims than the average general practice dentistry in 2024

63 Medicare Part D claims for 47 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. Diane Liang63
  2. Specialty average83

Most prescribed

  1. Amoxicillin36 claims
  2. Ibuprofen20 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.

Industry payments in 2024: $138.64

2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diane Liang$138.64
  2. Specialty average$597.01

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

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.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Diane Liang, D.D.S.'s NPI number?

Diane Liang, D.D.S.'s National Provider Identifier (NPI) is 1073980090, issued on Aug 25, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Diane Liang, D.D.S. located?

The NPPES record lists a practice address at 242 LA Pala Dr, San Jose, CA, 95127. Phone: (408) 729-9700. Providers update this record themselves, so call before visiting.

How can I verify Diane Liang, D.D.S.'s license?

NPPES lists California license number 65019, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Diane Liang, D.D.S. prescribe under Medicare Part D?

In 2024, Diane Liang, D.D.S. had 63 Medicare Part D claims for 47 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.