Doctor profile · Federal record

Dr. Tonia Willekes, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Burien, WA

  • NPI 1336182062
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16251 Sylvester RD Sw
Burien, WA 981663017
(206) 431-5316
Mailing address
126 Sw 148Th St, #C100-8
Burien, WA 981661984

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 14, 2012
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Washington #MD00048068
Medicaid
MO #206655334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336182062. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
207
Distinct HCPCS
7
Medicare allowed
$19,839
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 58 56 $8
99285 Emergency department visit with high level of medical decision making 35 35 $172
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 29 29 $7
99291 Critical care, first 30-74 minutes 28 28 $209
99284 Emergency department visit with moderate level of medical decision making 23 23 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $171
99283 Emergency department visit with low level of medical decision making 12 12 $70

In context: peer comparison

Among 6 peers in Burien Emergency Medicine Physician, average services per provider: 43. This provider delivers 4.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonia Willekes's medical specialty?
Dr. Tonia Willekes practices Emergency Medicine Physician in Burien, WA.
Where does Dr. Tonia Willekes practice?
Dr. Tonia Willekes practices at 16251 Sylvester RD Sw, Burien, WA 981663017. Office phone: 2064315316.
What is Dr. Tonia Willekes's NPI?
Dr. Tonia Willekes's National Provider Identifier (NPI) is 1336182062, issued by NPPES.
Does Dr. Tonia Willekes accept Medicare assignment?
Yes. Dr. Tonia Willekes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonia Willekes commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042). Source: CMS Medicare Physician & Other Practitioners file.