Doctor profile · Federal record

Dr. Ekaterina Knowlton, M.D.

Surgery Physician (CMS: General Surgery) · Specialist · Surgery Physician · Renton, WA

  • NPI 1578561007
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4033 Talbot RD S Ste 530
Renton, WA 980555700
(425) 690-3433
fax (425) 690-9433
Mailing address
15209 141St Ave Se
Snohomish, WA 982906730

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
April 13, 2022
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Washington #MD00038128 · Minnesota #54947
Medicaid
WA #8265233

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578561007. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
5
Medicare allowed
$14,470
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 35 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $183
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 16 $45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 13 11 $125

In context: peer comparison

Among 5 peers in Renton Surgery Physician, average services per provider: 23. This provider delivers 5.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ekaterina Knowlton's medical specialty?
Dr. Ekaterina Knowlton practices Surgery Physician in Renton, WA.
Where does Dr. Ekaterina Knowlton practice?
Dr. Ekaterina Knowlton practices at 4033 Talbot RD S Ste 530, Renton, WA 980555700. Office phone: 4256903433.
What is Dr. Ekaterina Knowlton's NPI?
Dr. Ekaterina Knowlton's National Provider Identifier (NPI) is 1578561007, issued by NPPES.
Does Dr. Ekaterina Knowlton accept Medicare assignment?
Yes. Dr. Ekaterina Knowlton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ekaterina Knowlton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.