NPPES file of Aug 9, 2026

David Chien-Yuan Kung, O.D.

Optometrist · Walnut Creek, CA

David Chien-Yuan Kung, O.D. is an optometrist with a practice address in Walnut Creek, California, and NPI 1942576384, issued on Mar 30, 2012. Check the license (California 14447, 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
1942576384
Name
David Chien-Yuan Kung
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
14447 CA
Self-reported in NPPES; status is on the state search
Practice location
320 Lennon LN, Walnut Creek, CA 94598
Phone
(209) 476-5123
Enumerated
Mar 30, 2012
Record last updated
Jan 3, 2022
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 optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 320 Lennon LN

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

  1. Joel Acab, MDInternal Medicine Physician1518405661
  2. Vitas Alekna, MDOphthalmology Physician1770661860
  3. Mary Andre, P.T.Physical Therapist1740344779
  4. Lynn Arsenault, MDPediatrics Physician1972681054
  5. Ashley Batchelder, DPTPhysical Therapist1851450936
  6. Cynthia Bellitt, R.N.N.P.Women's Health Nurse Practitioner1851464630

Verify David Chien-Yuan Kung 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 14447    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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57% fewer Medicare Part D claims than the average optometrist in 2024

120 Medicare Part D claims for 62 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. David Kung120
  2. Specialty average277

Most prescribed

  1. Latanoprost43 claims
  2. Brimonidine Tartrate25 claims
  3. Cyclosporine19 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.

David Chien-Yuan Kung among 8,308 optometrist records in California

David Chien-Yuan Kung, O.D. is one of 8,308 optometrist 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 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

All 8,308 in California → Every provider in Walnut Creek → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Lina Chan, ODWalnut Creek, CA 945981659358042
  2. Judy Chang, O.D.Walnut Creek, CA 945981316090384
  3. Janine Chen, O.D.Walnut Creek, CA 945981851455778
  4. Robert Cheung, O.D.Walnut Creek, CA 945981649251232
  5. Niki Forghani, ODWalnut Creek, CA 945981477600856
  6. Julienne Heene, O.D.Walnut Creek, CA 945981194876987
  7. Tammy Hong, O.D.Walnut Creek, CA 945981790753960
  8. Kenneth Lee, O.D.Walnut Creek, CA 945981023168614

Common questions

What is David Chien-Yuan Kung, O.D.'s NPI number?

David Chien-Yuan Kung, O.D.'s National Provider Identifier (NPI) is 1942576384, issued on Mar 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is David Chien-Yuan Kung, O.D. located?

The NPPES record lists a practice address at 320 Lennon LN, Walnut Creek, CA, 94598. Phone: (209) 476-5123. Providers update this record themselves, so call before visiting.

How can I verify David Chien-Yuan Kung, O.D.'s license?

NPPES lists California license number 14447, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does David Chien-Yuan Kung, O.D. prescribe under Medicare Part D?

In 2024, David Chien-Yuan Kung, O.D. had 120 Medicare Part D claims for 62 beneficiaries; the average among optometrist prescribers was 277. 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.

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.