NPPES file of Aug 9, 2026

James Van Phung, OD.

Optometrist · San Marcos, CA

James Van Phung, OD. is an optometrist with a practice address in San Marcos, California, and NPI 1225181951, issued on Jan 18, 2007. Check the license (California 12721T, 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
1225181951
Name
James Van Phung
Credential
OD.
Primary taxonomy
Optometrist 152W00000X
License numbers
12721T CA
12721 CA
Self-reported in NPPES; status is on the state search
Practice location
732 Center Dr., San Marcos, CA 92069
Phone
(760) 839-5161
Enumerated
Jan 18, 2007
Record last updated
Dec 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(760) 741-7160
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 James Van Phung 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 12721T
    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.

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Industry payments in 2024: $19.98

1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Phung$19.98
  2. Specialty average$769.99

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

James Van Phung among 8,308 optometrist records in California

James Van Phung, OD. 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2019 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Valerie Frimtzis, O.D.San Marcos, CA 920691457559429
  2. Robert Gentile, O.D.San Marcos, CA 920691255460283
  3. Denton Kimball, O.D.San Marcos, CA 920691982745147
  4. Coral St Onge, ODSan Marcos, CA 920691952060873
  5. Christopher Abbott, O.D.Santee, CA 920711417936220
  6. Mario Arellano, O.D.Santee, CA 920711477739712
  7. Carl Boeck, O.D.Santee, CA 920711588656151
  8. Elizabeth Christensen, O.D.Rancho Santa Fe, CA 920671225072036

Common questions

What is James Van Phung, OD.'s NPI number?

James Van Phung, OD.'s National Provider Identifier (NPI) is 1225181951, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Van Phung, OD. located?

The NPPES record lists a practice address at 732 Center Dr., San Marcos, CA, 92069. Phone: (760) 839-5161. Providers update this record themselves, so call before visiting.

How can I verify James Van Phung, OD.'s license?

NPPES lists California license number 12721T, 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. 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.