Shannon L. Koss, PAC
Physician Assistant · Appleton, WI
Shannon L. Koss, PAC is a physician assistant with a practice address in Appleton, Wisconsin, and NPI 1861583007, issued on Sep 27, 2006. Check the license (Wisconsin 1604, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shannon L. Koss
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1604 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1531 S Madison St, Appleton, WI 54915
- Phone
- (920) 996-3700
- Enumerated
- Sep 27, 2006
- Record last updated
- Jan 18, 2022
- Medicaid ID
- 41978400 WI
- Medicare enrollment
- Enrolled (PECOS I20051205000234); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1531 S Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shannon L. Koss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average physician assistant in 2024
1,627 Medicare Part D claims for 416 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 806 claims were for opioids.
Most prescribed
- Oxycodone Hcl404 claims
- Tramadol Hcl384 claims
- Celecoxib274 claims
- Amoxicillin169 claims
- Pantoprazole Sodium153 claims
- Enoxaparin Sodium75 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: $111.10
1 payment: food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. 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
- Bellin Memorial Hospital IncGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon L. Koss among 3,475 physician assistant records in Wisconsin
Shannon L. Koss, PAC is one of 3,475 physician assistant records with a practice address in Wisconsin. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2016 among the 2,491 with a school on file
- Record last updated2022 · 38% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 physician assistant records list a practice address in Appleton
They are 107 of the 3,249 NPPES records with a practice address in Appleton, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Appleton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michael Arizola, PACAppleton, WI 549151639163652
- Zachary Brylski, PAAppleton, WI 549151720507627
- Hannah Davies, PA-CAppleton, WI 549151275055287
- Teresa Gajewski, PAAppleton, WI 549151508142001
- Rebecca Kriha, PA-CAppleton, WI 549151295281962
- Lira Martinez, PA-CAppleton, WI 549151609152065
- Jamye McGraw, PA CAppleton, WI 549151972598969
- Debra Nigh, PACAppleton, WI 549151336135672
Common questions
What is Shannon L. Koss, PAC's NPI number?
Shannon L. Koss, PAC's National Provider Identifier (NPI) is 1861583007, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shannon L. Koss, PAC located?
The NPPES record lists a practice address at 1531 S Madison St, Appleton, WI, 54915. Phone: (920) 996-3700. Providers update this record themselves, so call before visiting.
How can I verify Shannon L. Koss, PAC's license?
NPPES lists Wisconsin license number 1604, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Shannon L. Koss, PAC prescribe under Medicare Part D?
In 2024, Shannon L. Koss, PAC had 1,627 Medicare Part D claims for 416 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.