John Joseph Kochanski
Medical Physician Assistant · Astoria, OR
John Joseph Kochanski is a medical physician assistant with a practice address in Astoria, Oregon, and NPI 1578270575, issued on Oct 31, 2022. Check the license (Oregon PA213842, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Joseph Kochanski
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA213842 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2120 Exchange St Ste 111, Astoria, OR 97103
- Phone
- (503) 325-0333
- Enumerated
- Oct 31, 2022
- Record last updated
- Apr 27, 2023
- Fax
- (503) 325-6333
- Medicare enrollment
- Enrolled (PECOS I20230306002147); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 699 in Oregon → Look up another NPI →
Also registered at 2120 Exchange St Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Shankle, PA-CMedical Physician Assistant1609581693
- Lindsey Wong, FNP-CNurse Practitioner1881384006
Verify John Joseph Kochanski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA213842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average medical physician assistant in 2024
909 Medicare Part D claims for 488 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 110 claims were for opioids.
Most prescribed
- Tramadol Hcl29 claims
- Atorvastatin Calcium27 claims
- Hydrocodone-Acetaminophen25 claims
- Cyclobenzaprine Hcl24 claims
- Losartan Potassium24 claims
- Oxycodone Hcl23 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 one group practice
- Providence Health And Services OregonWarrenton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Joseph Kochanski among 699 medical physician assistant records in Oregon
John Joseph Kochanski is one of 699 medical physician assistant records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 90% of them.
- NPI issued2022 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2022 · median 2014 among the 508 with a school on file
- Record last updated2023 · 52% 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 Oregon 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 Oregon
There are 699 medical physician assistant records in Oregon.
All 699 in Oregon → Every provider in Astoria → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Sally Baker, P.A.Astoria, OR 971031275771610
- Stephen Leonardo, PA-CAstoria, OR 971031366447641
- Julia Shankle, PA-CAstoria, OR 971031609581693
- Joshua Gietzen, PACornelius, OR 971131013365469
- Kerry Ashby, PAForest Grove, OR 971161548403033
- Shawna Cozens, PAForest Grove, OR 971161114268273
- Ryan Croft, PA-CForest Grove, OR 971161588328314
- Erika Horner, PA-CForest Grove, OR 971161245531474
Common questions
What is John Joseph Kochanski's NPI number?
John Joseph Kochanski's National Provider Identifier (NPI) is 1578270575, issued on Oct 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Kochanski located?
The NPPES record lists a practice address at 2120 Exchange St Ste 111, Astoria, OR, 97103. Phone: (503) 325-0333. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Kochanski's license?
NPPES lists Oregon license number PA213842, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John Joseph Kochanski prescribe under Medicare Part D?
In 2024, John Joseph Kochanski had 909 Medicare Part D claims for 488 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.