Karolina Leziak, MD
NPI 1336842509 · Ophthalmology Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karolina Leziak, MD is a Ophthalmology Physician provider in Seattle, WA (NPI 1336842509).
Provider details
- NPI number
- 1336842509
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ML61543653 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-24
- Last updated
- 2024-06-03
- Certified
- 2024-06-03
Frequently asked questions
- What is Karolina Leziak's NPI number?
- Karolina Leziak's National Provider Identifier (NPI) is 1336842509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karolina Leziak's specialty?
- Karolina Leziak is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Karolina Leziak located?
- Karolina Leziak's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Karolina Leziak's phone number?
- The practice phone number listed in the NPPES registry for Karolina Leziak is (206) 543-7250.
- Does Karolina Leziak accept Medicare?
- Karolina Leziak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karolina Leziak's NPI active?
- Yes — Karolina Leziak's NPI (1336842509) is active in the NPPES registry as of the last update on 2024-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.