NPPES file of Aug 9, 2026

Randall L. Chung, O.D.

Optometrist · Morgan Hill, CA

Randall L. Chung, O.D. is an optometrist with a practice address in Morgan Hill, California, and NPI 1831287671, issued on Oct 10, 2006. Check the license (California OPT 7938 TPA, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831287671
Name
Randall L. Chung
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT 7938 TPA CA
Self-reported in NPPES; status is on the state search
Practice location
18181 Butterfield Blvd Ste 150, Morgan Hill, CA 95037
Phone
(408) 779-2000
Enumerated
Oct 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 778-2569
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 18181 Butterfield Blvd Ste 150

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

  1. Tina Truong, O.D.Optometrist1750720280

Verify Randall L. 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 OPT 7938 TPA
    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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Randall L. Chung among 8,308 optometrist records in California

Randall L. Chung, 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 not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2007 · 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).

8 optometrist records list a practice address in Morgan Hill

They are 8 of the 626 NPPES records with a practice address in Morgan Hill, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 optometrist records with the nearest ZIP codes

  1. Carolyn Baker Connor, ODMorgan Hill, CA 950371992854012
  2. Mark Maher, ODMorgan Hill, CA 950371811049810
  3. Katherine Makayed, ODMorgan Hill, CA 950371245741537
  4. Thanh-Son Nguyen, ODMorgan Hill, CA 950371588069371
  5. Roshni ShahMorgan Hill, CA 950371073999090
  6. To-Quyen To, O.D.Morgan Hill, CA 950371861539199
  7. Tina Truong, O.D.Morgan Hill, CA 950371750720280
  8. Michelle Chan, ODMilpitas, CA 950351124697818

Common questions

What is Randall L. Chung, O.D.'s NPI number?

Randall L. Chung, O.D.'s National Provider Identifier (NPI) is 1831287671, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randall L. Chung, O.D. located?

The NPPES record lists a practice address at 18181 Butterfield Blvd Ste 150, Morgan Hill, CA, 95037. Phone: (408) 779-2000. Providers update this record themselves, so call before visiting.

How can I verify Randall L. Chung, O.D.'s license?

NPPES lists California license number OPT 7938 TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.