NPPES file of Aug 9, 2026

Ly Phung Lam, O.D.

Optometrist · Colton, CA

Ly Phung Lam, O.D. is an optometrist with a practice address in Colton, California, and NPI 1144574732, issued on Nov 4, 2012. Check the license (California 33646, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144574732
Name
Ly Phung Lam
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
33646 CA
4952 MA
OEG002712 PA
Self-reported in NPPES; status is on the state search
Practice location
308 N LA Cadena Dr, Colton, CA 92324
Phone
(909) 321-4700
Enumerated
Nov 4, 2012
Record last updated
Aug 7, 2026
Medicare enrollment
Enrolled (PECOS I20170705003363); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 308 N LA Cadena Dr

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

  1. Diana BarretoClinical Social Worker1376176487
  2. Zinata Dwumfour, NPPsychiatric/Mental Health Nurse Practitioner1497464507
  3. Shabbir Makati, DDSDentist1619044823
  4. Angeli Joy PoyaoanGeneral Practice Dentistry1528752607
  5. Sheimeka Vaughan Magee, M.D.Family Medicine Physician1912293556
  6. Genesis Zamora, MDPediatrics Physician1235792714

Verify Ly Phung Lam 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 33646    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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Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRancho Cucamonga, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ly Phung Lam among 8,308 optometrist records in California

Ly Phung Lam, 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 fileYes · 43% of these records are
  • Graduated2012 · median 2008 among the 3,573 with a school on file
  • Record last updated2026 · 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 Colton → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Glen Gaerte, O.D.Colton, CA 923241003855172
  2. Laura Garnica, ODColton, CA 923241598348468
  3. Richard Gilkison, O.D.Colton, CA 923241841233590
  4. Linda Kit, O.D.Colton, CA 923241497194468
  5. Thomas Law, ODColton, CA 923241801963194
  6. Lien Nguyen, O.D.Colton, CA 923241396896791
  7. James Almaraz, O DBig Bear Lake, CA 923151710977574
  8. Anna Bedrossian, O.D.Big Bear Lake, CA 923151609869395

Common questions

What is Ly Phung Lam, O.D.'s NPI number?

Ly Phung Lam, O.D.'s National Provider Identifier (NPI) is 1144574732, issued on Nov 4, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ly Phung Lam, O.D. located?

The NPPES record lists a practice address at 308 N LA Cadena Dr, Colton, CA, 92324. Phone: (909) 321-4700. Providers update this record themselves, so call before visiting.

How can I verify Ly Phung Lam, O.D.'s license?

NPPES lists California license number 33646, 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.

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.