Doctor profile · Federal record

Dr. Stephen Pieniak, MD

Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Bremerton, WA

  • NPI 1447281225
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2520 Cherry Ave
Bremerton, WA 983104229
(360) 377-3911
Mailing address
203 Bella Bella Drive Fi
Fox Island, WA 983339701

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 21, 2008
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
Washington #MD00036827
Medicaid
WA #8252512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447281225. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
643
Distinct HCPCS
7
Medicare allowed
$50,119
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 194 178 $8
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 166 163 $7
99285 Emergency department visit with high level of medical decision making 149 146 $171
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 62 62 $171
99291 Critical care, first 30-74 minutes 37 36 $209
99284 Emergency department visit with moderate level of medical decision making 24 24 $118
99238 Hospital discharge day management, 30 minutes or less 11 11 $80

In context: peer comparison

Among 5 peers in this city , average services per provider: 84. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
18
Patients
18
Total drug cost
$136
Drug Type Claims Patients Total cost
Prednisone Generic 18 18 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Pieniak's medical specialty?
Dr. Stephen Pieniak practices Emergency Medical Services (Emergency Medicine) Physician in Bremerton, WA.
Where does Dr. Stephen Pieniak practice?
Dr. Stephen Pieniak practices at 2520 Cherry Ave, Bremerton, WA 983104229. Office phone: 3603773911.
What is Dr. Stephen Pieniak's NPI?
Dr. Stephen Pieniak's National Provider Identifier (NPI) is 1447281225, issued by NPPES.
Does Dr. Stephen Pieniak accept Medicare assignment?
Yes. Dr. Stephen Pieniak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Pieniak commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.