NPPES file of Aug 9, 2026

Lianne T. Mizoguchi, OD

Optometrist · La Jolla, CA

Lianne T. Mizoguchi, OD is an optometrist with a practice address in La Jolla, California, and NPI 1619900313, issued on Jul 8, 2006. Check the license (California OPT10104, 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
1619900313
Name
Lianne T. Mizoguchi
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT10104 CA
Self-reported in NPPES; status is on the state search
Practice location
9415 Campus Point Dr, La Jolla, CA 92037
Phone
(858) 534-6291
Enumerated
Jul 8, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
SD0101040 CA
Medicare enrollment
Enrolled (PECOS I20101118000446); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 1993
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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Also registered at 9415 Campus Point Dr

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

  1. Michael Goldbaum, M.D.Ophthalmology Physician1720157142
  2. Pamela Hoo, O.D.Optometrist1275566010
  3. Lara Hustana, ODOptometrist1235161597
  4. Mitra Mehin, ODOptometrist1780617480
  5. Stephen Oster, M.D., PH.D.Ophthalmology Physician1215073689
  6. Kang Zhang, MDOphthalmology Physician1972693562

Verify Lianne T. Mizoguchi 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 OPT10104
    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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78% fewer Medicare Part D claims than the average optometrist in 2024

60 Medicare Part D claims for 22 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 77% of claims.

  1. Lianne Mizoguchi60
  2. Specialty average277

Most prescribed

  1. Cyclosporine21 claims
  2. Restasis13 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.

Industry payments in 2024: $167.76

3 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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. Lianne Mizoguchi$167.76
  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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Diego, CA

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

Lianne T. Mizoguchi among 8,308 optometrist records in California

Lianne T. Mizoguchi, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1993 · median 2008 among the 3,573 with a school on file
  • 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).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Colin Bernstein, O.D.La Jolla, CA 920371184796625
  2. Matthew Gentile, ODLa Jolla, CA 920371487615423
  3. Pamela Hoo, O.D.La Jolla, CA 920371275566010
  4. David Horie, O.D.La Jolla, CA 920371427025816
  5. Lara Hustana, ODLa Jolla, CA 920371235161597
  6. Sharon Joe, O.D.La Jolla, CA 920371649247610
  7. Mitra Mehin, ODLa Jolla, CA 920371780617480
  8. Anthony Novo, O.D.La Jolla, CA 920371992767560

Common questions

What is Lianne T. Mizoguchi, OD's NPI number?

Lianne T. Mizoguchi, OD's National Provider Identifier (NPI) is 1619900313, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lianne T. Mizoguchi, OD located?

The NPPES record lists a practice address at 9415 Campus Point Dr, La Jolla, CA, 92037. Phone: (858) 534-6291. Providers update this record themselves, so call before visiting.

How can I verify Lianne T. Mizoguchi, OD's license?

NPPES lists California license number OPT10104, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lianne T. Mizoguchi, OD prescribe under Medicare Part D?

In 2024, Lianne T. Mizoguchi, OD had 60 Medicare Part D claims for 22 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.

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.