Steven R. Zirker, PA-C
Medical Physician Assistant · Benton City, WA
Steven R. Zirker, PA-C is a medical physician assistant with a practice address in Benton City, Washington, and NPI 1477635159, issued on Oct 20, 2006. Check the license (Washington PA10003881, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steven R. Zirker
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA10003881 WA
Self-reported in NPPES; status is on the state search - Practice location
- 701 Dale Ave, Benton City, WA 99320
- Phone
- (509) 588-4075
- Enumerated
- Oct 20, 2006
- Record last updated
- Oct 20, 2024
- Fax
- (509) 588-4197
- Medicaid ID
- 1477635159 WA
- Medicare enrollment
- Enrolled (PECOS I20070619000570); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 701 Dale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Adling, D.O.Family Medicine Physician1669811139
- Oscar Del Valle, MSN -FNPNurse Practitioner1477903029
- Jessica Luther, FNPFamily Nurse Practitioner1902291768
- Walburga Martin, M.D.Family Medicine Physician1053408336
- Miguel Medrano, P.A.Physician Assistant1639111586
- Toni Microulis, ARNPPsychiatric/Mental Health Nurse Practitioner1679658777
Verify Steven R. Zirker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10003881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average medical physician assistant in 2024
386 Medicare Part D claims for 227 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass84 claims
- Prednisone41 claims
- Azithromycin37 claims
- Albuterol Sulfate Hfa33 claims
- Cephalexin23 claims
- Tizanidine Hcl19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven R. Zirker among 1,068 medical physician assistant records in Washington
Steven R. Zirker, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 68% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1999 · median 2013 among the 581 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 medical physician assistant record lists a practice address in Benton City
They are 1 of the 35 NPPES records with a practice address in Benton City, and 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Benton City → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Gary FletcherConnell, WA 993261295011617
- Randall Clower, PA-CKennewick, WA 993361871521864
- Carrie Lamb, PA-CKennewick, WA 993361396177119
- Stacey Lemire, PA-CKennewick, WA 993361740323997
- Amanda Petersen, PA-CKennewick, WA 993361528391372
- Kari Robertson, PA-CKennewick, WA 993361316174063
- Jeremiah Price, PAKennewick, WA 993371346778271
- Lisa Reardon, PA-CKennewick, WA 993371700049228
Common questions
What is Steven R. Zirker, PA-C's NPI number?
Steven R. Zirker, PA-C's National Provider Identifier (NPI) is 1477635159, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven R. Zirker, PA-C located?
The NPPES record lists a practice address at 701 Dale Ave, Benton City, WA, 99320. Phone: (509) 588-4075. Providers update this record themselves, so call before visiting.
How can I verify Steven R. Zirker, PA-C's license?
NPPES lists Washington license number PA10003881, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Steven R. Zirker, PA-C prescribe under Medicare Part D?
In 2024, Steven R. Zirker, PA-C had 386 Medicare Part D claims for 227 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Steven R. Zirker, PA-C's MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.