Katherine J. Ponsler, PA-C
Physician Assistant · Platteville, WI
Katherine J. Ponsler, PA-C is a physician assistant with a practice address in Platteville, Wisconsin, and NPI 1124400627, issued on Jun 22, 2015. Check the license (Wisconsin 3553 - 23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine J. Ponsler
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3553 - 23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Eastside RD, Platteville, WI 53818
- Phone
- (608) 340-4330
- Enumerated
- Jun 22, 2015
- Record last updated
- Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 1124400627 WI
- Medicare enrollment
- Enrolled (PECOS I20150714000691); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1450 Eastside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Ankumah-Saikoom, M.D.Pediatrics Physician1235303967
- Chloe Bainbridge, ODOptometrist1003597816
- Jennifer Barraza, LCSWClinical Social Worker1710318829
- Kori Barry, APNPFamily Nurse Practitioner1780072389
- Jenny BelkenOptometrist1083274492
- Catherine Blume, APNPFamily Nurse Practitioner1083602056
Verify Katherine J. Ponsler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3553 - 23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
171 Medicare Part D claims for 72 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Fluticasone Propionate51 claims
- Azelastine Hcl33 claims
- Omeprazole11 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): 97.7 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).
Industry payments in 2024: $226.29
11 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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
- Southwest Health Center IncDarlington, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine J. Ponsler among 3,475 physician assistant records in Wisconsin
Katherine J. Ponsler, PA-C 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 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2016 among the 2,491 with a school on file
- Record last updated2020 · 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).
16 physician assistant records list a practice address in Platteville
They are 16 of the 287 NPPES records with a practice address in Platteville, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Platteville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mackenzie AndersonPlatteville, WI 538181437813680
- Michelle Brant, PA-CPlatteville, WI 538181598264442
- Phillip Burr, P.A.Platteville, WI 538181437127453
- Christina Burr, PA-CPlatteville, WI 538181245453612
- Sabeena CheemaPlatteville, WI 538181396239448
- Allison Dunne, PA-CPlatteville, WI 538181487244422
- Michelle Hauser, PA-CPlatteville, WI 538181164436374
- Craig Homan, PA-CPlatteville, WI 538181427012285
Common questions
What is Katherine J. Ponsler, PA-C's NPI number?
Katherine J. Ponsler, PA-C's National Provider Identifier (NPI) is 1124400627, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine J. Ponsler, PA-C located?
The NPPES record lists a practice address at 1450 Eastside RD, Platteville, WI, 53818. Phone: (608) 340-4330. Providers update this record themselves, so call before visiting.
How can I verify Katherine J. Ponsler, PA-C's license?
NPPES lists Wisconsin license number 3553 - 23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine J. Ponsler, PA-C prescribe under Medicare Part D?
In 2024, Katherine J. Ponsler, PA-C had 171 Medicare Part D claims for 72 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Katherine J. Ponsler, PA-C's MIPS final score?
The 2023 MIPS final score is 97.7 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.