Kathryn Supko, PA-C
Medical Physician Assistant · Bremerton, WA
Kathryn Supko, PA-C is a medical physician assistant with a practice address in Bremerton, Washington, and NPI 1710683099, issued on Feb 7, 2023. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Supko
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- Practice location
- 400 Warren Ave Ste 200, Bremerton, WA 98337
- Phone
- (360) 377-3776
- Enumerated
- Feb 7, 2023
- Record last updated
- Aug 14, 2023
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 400 Warren Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn Supko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average medical physician assistant in 2024
553 Medicare Part D claims for 159 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa22 claims
- Atorvastatin Calcium22 claims
- Levothyroxine Sodium19 claims
- Nitrofurantoin Mono-Macro18 claims
- Losartan Potassium16 claims
- Sertraline Hcl16 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.
Kathryn Supko among 1,068 medical physician assistant records in Washington
Kathryn Supko, 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 2023, is newer than 94% of them.
- NPI issued2023 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2023 · 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).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Bremerton → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Jillian Hurd, PA-CBremerton, WA 983371265546824
- Kristina Van Niel, PA-CBremerton, WA 983371750863403
- Mary Bethune, PAGig Harbor, WA 983351124157078
- Kaitlin Kelly, PA-CGig Harbor, WA 983351972021434
- Casey Pinch, PAGig Harbor, WA 983351083031025
- Charles Hitchcock, PAJoint Base Lewis McChord, WA 983411265411581
- Matthew Radel, PAGig Harbor, WA 983321710174164
- Gael Gauthier, PA-CGig Harbor, WA 983291629354055
Common questions
What is Kathryn Supko, PA-C's NPI number?
Kathryn Supko, PA-C's National Provider Identifier (NPI) is 1710683099, issued on Feb 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Supko, PA-C located?
The NPPES record lists a practice address at 400 Warren Ave Ste 200, Bremerton, WA, 98337. Phone: (360) 377-3776. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Supko, PA-C's license?
Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Supko, PA-C prescribe under Medicare Part D?
In 2024, Kathryn Supko, PA-C had 553 Medicare Part D claims for 159 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.