NPPES file of Aug 9, 2026

Philip S. Lo, O.D.

Optometrist · Seattle, WA

Philip S. Lo, O.D. is an optometrist with a practice address in Seattle, Washington, and NPI 1700841012, issued on Apr 19, 2006. Check the license (Washington OD00003729, 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
1700841012
Name
Philip S. Lo
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OD00003729 WA
Self-reported in NPPES; status is on the state search
Practice location
20 Boston St, Seattle, WA 98109
Phone
(206) 282-8120
Enumerated
Apr 19, 2006
Record last updated
Dec 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
2031672 WA
Medicare enrollment
Enrolled (PECOS I20060816000220); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2003
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 20 Boston St

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

  1. Eric Bergstrom, O.D.Optometrist1588687040
  2. Hoda Irani, ODOptometrist1790421451
  3. Elizabeth Urbaniak, O.D.Optometrist1235547647

Verify Philip S. Lo 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 OD00003729
    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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53% fewer Medicare Part D claims than the average optometrist in 2024

131 Medicare Part D claims for 35 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.

  1. Philip Lo131
  2. Specialty average277

Most prescribed

  1. Timolol Maleate37 claims
  2. Latanoprost23 claims
  3. Restasis19 claims
  4. Lumigan12 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: $652.45

16 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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. Philip Lo$652.45
  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 2 group practices

  1. Ballard Eye Clinic PLLCSeattle, WA
  2. Eric Bergstrom OD, PLLCSeattle, WA

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

Philip S. Lo among 1,641 optometrist records in Washington

Philip S. Lo, 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2003 · median 2010 among the 949 with a school on file
  • Record last updated2018 · 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. Eric Bergstrom, O.D.Seattle, WA 981091588687040
  2. Melissa Cho, ODSeattle, WA 981091285865626
  3. Christopher Clark, ODSeattle, WA 981091265461594
  4. John Dubicki, O.D.Seattle, WA 981091386668390
  5. Hoda Irani, ODSeattle, WA 981091790421451
  6. Elizabeth Urbaniak, O.D.Seattle, WA 981091235547647
  7. Melissa Au-Yeung, ODSeattle, WA 981081699117747
  8. Scott Brase, O.D.Bainbridge Island, WA 981101265516074

Common questions

What is Philip S. Lo, O.D.'s NPI number?

Philip S. Lo, O.D.'s National Provider Identifier (NPI) is 1700841012, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Philip S. Lo, O.D. located?

The NPPES record lists a practice address at 20 Boston St, Seattle, WA, 98109. Phone: (206) 282-8120. Providers update this record themselves, so call before visiting.

How can I verify Philip S. Lo, O.D.'s license?

NPPES lists Washington license number OD00003729, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Philip S. Lo, O.D. prescribe under Medicare Part D?

In 2024, Philip S. Lo, O.D. had 131 Medicare Part D claims for 35 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.