Chase Michael Isenberger, PA
Physician Assistant · Janesville, WI
Chase Michael Isenberger, PA is a physician assistant with a practice address in Janesville, Wisconsin, and NPI 1891497020, issued on Mar 21, 2023. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chase Michael Isenberger
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085010417 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6868
- Enumerated
- Mar 21, 2023
- Record last updated
- Aug 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20250815004077); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chase Michael Isenberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin 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
95% fewer Medicare Part D claims than the average physician assistant in 2024
40 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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: $395.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Getinge USA Sales, LLC. 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
- Mercy Health System CorporationJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chase Michael Isenberger among 3,475 physician assistant records in Wisconsin
Chase Michael Isenberger, PA 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 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2023 · median 2016 among the 2,491 with a school on file
- Record last updated2025 · 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).
36 physician assistant records list a practice address in Janesville
They are 36 of the 1,538 NPPES records with a practice address in Janesville, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Janesville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sarah AndersonJanesville, WI 535481194411751
- Stephanie Curtis, PA-CJanesville, WI 535481124305784
- Alissa Devos, PA-CJanesville, WI 535481114247517
- Hanna Doerr, PA-CJanesville, WI 535481427700558
- Nathan Dombeck, PA-CJanesville, WI 535481760793012
- Adrienne Elert, PA-CJanesville, WI 535481578527297
- Christopher Goodavish, PAJanesville, WI 535481043275720
- Lynn Johnston, PA-CJanesville, WI 535481346313483
Common questions
What is Chase Michael Isenberger, PA's NPI number?
Chase Michael Isenberger, PA's National Provider Identifier (NPI) is 1891497020, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Chase Michael Isenberger, PA located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6868. Providers update this record themselves, so call before visiting.
How can I verify Chase Michael Isenberger, PA's license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Chase Michael Isenberger, PA prescribe under Medicare Part D?
In 2024, Chase Michael Isenberger, PA had 40 Medicare Part D claims for 14 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.