Walter J. Koss, PA-C
Physician Assistant · Wilkes Barre, PA
Walter J. Koss, PA-C is a physician assistant with a practice address in Wilkes Barre, Pennsylvania, and NPI 1134189418, issued on Mar 23, 2006. Check the license (Pennsylvania MA051896, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter J. Koss
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA051896 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1175 E Mountain Blvd, Wilkes Barre, PA 18702
- Phone
- (570) 808-1093
- Enumerated
- Mar 23, 2006
- Record last updated
- Apr 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (570) 808-7878
- Medicare enrollment
- Enrolled (PECOS I20060410000260); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 1175 E Mountain Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Walter J. Koss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA051896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
51 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Meloxicam19 claims
- Oxycodone-Acetaminophen17 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.
Industry payments in 2024: $125.40
2 payments; by number, the most common kind was food and beverage; the largest payer was Novus Surgical Consultants. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Geisinger ClinicDanville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter J. Koss among 8,020 physician assistant records in Pennsylvania
Walter J. Koss, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2018 among the 5,313 with a school on file
- Record last updated2013 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
183 physician assistant records list a practice address in Wilkes Barre
They are 183 of the 2,654 NPPES records with a practice address in Wilkes Barre, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Wilkes Barre → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ludmila AronzonWilkes Barre, PA 187021942318431
- Brian Babonis, PA-CPlains Twp, PA 187021720052681
- Deborah Baird, PA-CWilkes Barre, PA 187021477527356
- Robert Emery, PACWilkes Barre, PA 187021679586804
- Amy Ferranti, PA-CWilkes Barre, PA 187021831289693
- Natalie Hart, PA-CWilkes Barre, PA 187021720057045
- Susan Maille, PA-CWilkes Barre, PA 187021255392908
- Jessica Manzolillo, PACWilkes Barre, PA 187021174504468
Common questions
What is Walter J. Koss, PA-C's NPI number?
Walter J. Koss, PA-C's National Provider Identifier (NPI) is 1134189418, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter J. Koss, PA-C located?
The NPPES record lists a practice address at 1175 E Mountain Blvd, Wilkes Barre, PA, 18702. Phone: (570) 808-1093. Providers update this record themselves, so call before visiting.
How can I verify Walter J. Koss, PA-C's license?
NPPES lists Pennsylvania license number MA051896, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Walter J. Koss, PA-C prescribe under Medicare Part D?
In 2024, Walter J. Koss, PA-C had 51 Medicare Part D claims for 37 beneficiaries; the average among physician assistant prescribers was 830. 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.