Karolina Leziak, MD
Ophthalmology Physician · Seattle, WA
Karolina Leziak, MD is an ophthalmology physician with a practice address in Seattle, Washington, and NPI 1336842509, issued on Mar 24, 2023. Check the license (Washington ML61543653, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Karolina Leziak
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- ML61543653 WA
Self-reported in NPPES; status is on the state search - Practice location
- 325 9TH Ave, Seattle, WA 98104
- Phone
- (206) 543-7250
- Enumerated
- Mar 24, 2023
- Record last updated
- Jun 3, 2024
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 522 in Washington → Look up another NPI →
Also registered at 325 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karolina Leziak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML61543653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
12 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
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.
Karolina Leziak among 522 ophthalmology physician records in Washington
Karolina Leziak, MD is one of 522 ophthalmology physician records with a practice address in Washington. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than over 99% of them.
- NPI issued2023 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Washington
There are 522 ophthalmology physician records in Washington.
All 522 in Washington → Every provider in Seattle → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Deepa Abraham, MDSeattle, WA 981041447250568
- Scot Brower, M.D.Seattle, WA 981041124006648
- Elizabeth Choy, M.D.Seattle, WA 981041114993524
- Sheldon Cowen, M.D.Seattle, WA 981041417915745
- R. Evans, M.D.Seattle, WA 981041114905635
- Thomas Gillette, M.D.Seattle, WA 981041952387086
- William Johnston, M.D.Seattle, WA 981041376546713
- D. Kelly, M.D.Seattle, WA 981041578541090
Common questions
What is Karolina Leziak, MD's NPI number?
Karolina Leziak, MD's National Provider Identifier (NPI) is 1336842509, issued on Mar 24, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Karolina Leziak, MD located?
The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 543-7250. Providers update this record themselves, so call before visiting.
How can I verify Karolina Leziak, MD's license?
NPPES lists Washington license number ML61543653, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karolina Leziak, MD prescribe under Medicare Part D?
In 2024, Karolina Leziak, MD had 12 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. 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.