Registry data as of Aug 27, 2026

Allen Chung, OD

Optometrist · San Diego, CA

Allen Chung, OD is an optometrist with a practice address in San Diego, California, and NPI 1003301391, issued on Jun 28, 2018. Check the license (California 33974TLG, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1003301391
Name
Allen Chung
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
33974TLG CA
Self-reported in NPPES; status is on the state search
Practice location
9460 Mira Mesa Blvd Ste A, San Diego, CA 92126
Phone
(858) 566-1756
Enumerated
Jun 28, 2018
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 9460 Mira Mesa Blvd Ste A

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

  1. Duyen Cao, ODOptometrist1144057829
  2. Steven Satnick, O.D.Optometrist1265500045
  3. Eddie SimhairyOptometrist1689473324

Verify Allen Chung 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 33974TLG
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

96% fewer Medicare Part D claims than the average optometrist in 2024

11 Medicare Part D claims, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D.

  1. Allen Chung11
  2. Specialty average279

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: $2,959.33

20 payments, mostly food and beverage; the largest payer was Topcon Healthcare, Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Allen Chung$2,959.33
  2. Specialty average$749.79

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

One hospital or facility affiliation

  1. Allen Chung OD Optometric CorporationSan Diego, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Optometrist providers in California

There are 8,156 optometrist records in California.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Allen Chung, OD's NPI number?

Allen Chung, OD's National Provider Identifier (NPI) is 1003301391, issued on Jun 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Allen Chung, OD located?

The NPPES record lists a practice address at 9460 Mira Mesa Blvd Ste A, San Diego, CA, 92126. Phone: (858) 566-1756. Providers update this record themselves, so call before visiting.

How can I verify Allen Chung, OD's license?

NPPES lists California license number 33974TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Allen Chung, OD prescribe under Medicare Part D?

In 2024, Allen Chung, OD had 11 Medicare Part D claims; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.