Stephen J. Pieniak, MD
Emergency Medical Services (Emergency Medicine) Physician · Bremerton, WA
Stephen J. Pieniak, MD is an emergency medical services (emergency medicine) physician with a practice address in Bremerton, Washington, and NPI 1447281225, issued on Jul 6, 2006. Check the license (Washington MD00036827, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen J. Pieniak
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- MD00036827 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2520 Cherry Ave, Bremerton, WA 98310
- Phone
- (360) 377-3911
- Enumerated
- Jul 6, 2006
- Record last updated
- May 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8252512 WA
- Medicare enrollment
- Enrolled (PECOS I20061208000471); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 91 in Washington → Look up another NPI →
Also registered at 2520 Cherry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Therese AldenRegistered Dietitian1497971089
- Denis Ashley, D.O.Emergency Medicine Physician1396725867
- Robert Ast, MDEmergency Medical Services (Emergency Medicine) Physician1659304517
- Martin Bennett, MDEmergency Medical Services (Emergency Medicine) Physician1093748964
- Griffith Blackmon, MDCritical Care Medicine (Internal Medicine) Physician1609836824
- David Bray, MDAnatomic Pathology & Clinical Pathology Physician1528123148
Verify Stephen J. Pieniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
183 Medicare Part D claims for 112 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 26 claims were for opioids.
Most prescribed
- Cefdinir25 claims
- Ondansetron Odt19 claims
- Azithromycin13 claims
- Prednisone12 claims
- Hydrocodone-Acetaminophen11 claims
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 2 group practices
- Mt Rainier Emergency Physicians PLLCPuyallup, WA
- Western Washington Emergency Physicians PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen J. Pieniak among 91 emergency medical services (emergency medicine) physician records in Washington
Stephen J. Pieniak, MD is one of 91 emergency medical services (emergency medicine) physician records with a practice address in Washington. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 35% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1996 · median 1999 among the 42 with a school on file
- Record last updated2008 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Washington
There are 91 emergency medical services (emergency medicine) physician records in Washington.
All 91 in Washington → Every provider in Bremerton → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Robert Ast, MDBremerton, WA 983101659304517
- Martin Bennett, MDBremerton, WA 983101093748964
- Mark Eisenberg, MDBremerton, WA 983101477588911
- Stephen McKinnon, DOBremerton, WA 983101801821228
- William Moore, DOBremerton, WA 983101457382228
- William Morris, MDBremerton, WA 983101922030949
- Paul Tice, MDBremerton, WA 983101629003850
- Stephen Pohl, MDBremerton, WA 983121922059187
Common questions
What is Stephen J. Pieniak, MD's NPI number?
Stephen J. Pieniak, MD's National Provider Identifier (NPI) is 1447281225, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Pieniak, MD located?
The NPPES record lists a practice address at 2520 Cherry Ave, Bremerton, WA, 98310. Phone: (360) 377-3911. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Pieniak, MD's license?
NPPES lists Washington license number MD00036827, 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 Stephen J. Pieniak, MD prescribe under Medicare Part D?
In 2024, Stephen J. Pieniak, MD had 183 Medicare Part D claims for 112 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.