NPPES file of Aug 9, 2026

Jessica Si-Dih Liu, O.D.

Optometrist · Olympia, WA

Jessica Si-Dih Liu, O.D. is an optometrist with a practice address in Olympia, Washington, and NPI 1619383106, issued on Jul 7, 2014. Check the license (Washington OD60465096, as entered in NPPES) with the Washington 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
1619383106
Name
Jessica Si-Dih Liu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
OD60465096 WA
1807-741AT LA
Self-reported in NPPES; status is on the state search
Practice location
700 Lilly RD NE, Olympia, WA 98506
Phone
(360) 923-7650
Enumerated
Jul 7, 2014
Record last updated
Apr 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141107000018); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2014
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 700 Lilly RD NE

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

  1. Sharon Abegg, M.D.Psychiatry Physician1437291143
  2. Mary Aesoph, AUDAudiologist1710233978
  3. Krystle Agtarap, PASurgical Physician Assistant1972907590
  4. Elizabeth Alberti, P.A.Physician Assistant1215087937
  5. Stephen Albrecht, M.D.Family Medicine Physician1538286026
  6. Amber An, DOGeriatric Medicine (Internal Medicine) Physician1538335443

Verify Jessica Si-Dih Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license OD60465096
    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 Washington license search

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68% more Medicare Part D claims than the average optometrist in 2024

464 Medicare Part D claims for 139 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Jessica Liu464
  2. Specialty average277

Most prescribed

  1. Latanoprost208 claims
  2. Timolol Maleate72 claims
  3. Cyclosporine42 claims
  4. Dorzolamide-Timolol36 claims
  5. Brimonidine Tartrate29 claims
  6. Dorzolamide Hcl24 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF WashingtonOlympia, WA

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

Jessica Si-Dih Liu among 1,641 optometrist records in Washington

Jessica Si-Dih Liu, O.D. is one of 1,641 optometrist records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 70% of them.

  • NPI issued2014 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2014 · median 2010 among the 949 with a school on file
  • Record last updated2021 · 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Washington

There are 1,641 optometrist records in Washington.

The 8 optometrist records with the nearest ZIP codes

  1. Shaun Coombs, ODOlympia, WA 985061619084910
  2. Molli Dutra, M.D.Olympia, WA 985061710013263
  3. Kim Hoover, O.D.Olympia, WA 985061194880559
  4. Scott Horvath, O.D.Olympia, WA 985061285799643
  5. Marlene Inverso, O.D.Olympia, WA 985061295730307
  6. Wenjen Lawson, O.D.Olympia, WA 985061881714228
  7. Reid Mamiya, ODOlympia, WA 985061407963770
  8. John Merslich, O.D.Olympia, WA 985061275686339

Common questions

What is Jessica Si-Dih Liu, O.D.'s NPI number?

Jessica Si-Dih Liu, O.D.'s National Provider Identifier (NPI) is 1619383106, issued on Jul 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Si-Dih Liu, O.D. located?

The NPPES record lists a practice address at 700 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 923-7650. Providers update this record themselves, so call before visiting.

How can I verify Jessica Si-Dih Liu, O.D.'s license?

NPPES lists Washington license number OD60465096, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Jessica Si-Dih Liu, O.D. prescribe under Medicare Part D?

In 2024, Jessica Si-Dih Liu, O.D. had 464 Medicare Part D claims for 139 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.