NPPES file of Aug 9, 2026

Ekaterina Knowlton, M.D.

Surgery Physician · Renton, WA

Ekaterina Knowlton, M.D. is a surgery physician with a practice address in Renton, Washington, and NPI 1578561007, issued on Jul 8, 2005. Check the license (Washington MD00038128, as entered in NPPES) on the Washington Medical Commission; 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
1578561007
Name
Ekaterina Knowlton
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
MD00038128 WA
54947 MN
Self-reported in NPPES; status is on the state search
Practice location
4033 Talbot RD S Ste 530, Renton, WA 98055
Phone
(425) 690-3433
Enumerated
Jul 8, 2005
Record last updated
Apr 13, 2022
Fax
(425) 690-9433
Medicaid ID
8265233 WA
Medicare enrollment
Enrolled (PECOS I20101130001174); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 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 4033 Talbot RD S Ste 530

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

  1. Babylyn Aspuria, PA-CPhysician Assistant1336531011
  2. Gweniviere Capron, M.D.Surgical Critical Care Physician1073995171
  3. Cheryl Cieszlak, PASurgical Physician Assistant1477888592
  4. Crystal Colleran, PA-CSurgical Physician Assistant1750568119
  5. Thomas Crown, DOSurgery Physician1023647906
  6. Omar Dorzi, MDVascular Surgery Physician1811154537

Verify Ekaterina Knowlton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00038128
    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
Open the Washington license search

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93% fewer Medicare Part D claims than the average surgery physician in 2024

11 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Ekaterina Knowlton11
  2. Specialty average147

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. Valley Medical Group-RentonRenton, WA

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

Ekaterina Knowlton among 791 surgery physician records in Washington

Ekaterina Knowlton, M.D. is one of 791 surgery physician records with a practice address in Washington. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1993 · median 2006 among the 439 with a school on file
  • Record last updated2022 · 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 208600000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Washington

There are 791 surgery physician records in Washington.

The 8 surgery physician records with the nearest ZIP codes

  1. Michael Burke, MDRenton, WA 980551972574762
  2. Martin Durtschi, MDRenton, WA 980551245381946
  3. Michelle Eden, MDRenton, WA 980551235108960
  4. Cheuk Hong, MDRenton, WA 980551285618314
  5. Wayne Lau, M.D.Renton, WA 980551992852578
  6. Tori McFall, MDRenton, WA 980551932113412
  7. Rebecca Stickler, M.D.Renton, WA 980551104936020
  8. Jeffrey Stone, MDRenton, WA 980551194767509

Common questions

What is Ekaterina Knowlton, M.D.'s NPI number?

Ekaterina Knowlton, M.D.'s National Provider Identifier (NPI) is 1578561007, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ekaterina Knowlton, M.D. located?

The NPPES record lists a practice address at 4033 Talbot RD S Ste 530, Renton, WA, 98055. Phone: (425) 690-3433. Providers update this record themselves, so call before visiting.

How can I verify Ekaterina Knowlton, M.D.'s license?

NPPES lists Washington license number MD00038128, 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 Ekaterina Knowlton, M.D. prescribe under Medicare Part D?

In 2024, Ekaterina Knowlton, M.D. had 11 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.