Jennifer J. Gregas, APNP
Adult Health Nurse Practitioner · Onalaska, WI
Jennifer J. Gregas, APNP is an adult health nurse practitioner with a practice address in Onalaska, Wisconsin, and NPI 1578759122, issued on Sep 18, 2007. Check the license (Wisconsin 3215-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer J. Gregas
- Credential
- APNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 3215-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3111 Gunderson RD, Onalaska, WI 54650
- Phone
- (608) 782-7300
- Enumerated
- Sep 18, 2007
- Record last updated
- Jun 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071031000193); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3111 Gunderson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Connely, CNMAdvanced Practice Midwife1356544423
- Mary Erickson, RPHPharmacist1467469627
- Virginia Green, FNPFamily Nurse Practitioner1093822686
- William Ward, ATCAthletic Trainer1184646770
Verify Jennifer J. Gregas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3215-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
256 Medicare Part D claims for 97 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tamsulosin Hcl214 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 2 group practices
- Gundersen Clinic LtdTomah, WI
- Gundersen Lutheran Medical Center IncLa Crosse, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adult Health Nurse Practitioner providers in Wisconsin
There are 398 adult health nurse practitioner records in Wisconsin.
Other adult health nurse practitioner records in Wisconsin
- Blaire Adkins, DNPMadison, WI1174003164
- Sara Aerts, NPGreen Bay, WI1750628970
- Tammy Albelo, APNPBrookfield, WI1073692554
- Michelle Alfred, NP-CMilwaukee, WI1154608719
- Jennifer Altmann, APNPMadison, WI1609182807
- Lauren Anderson, RN, MSN, APNPMilwaukee, WI1487099206
- Megan Anderson, APNPMilwaukee, WI1114246865
- Rebecca Anderson, NPOconomowoc, WI1447365598
- Carne Andrews, APNPEau Claire, WI1346257904
- Deborah Andris, MSN NMilwaukee, WI1306897814
Common questions
What is Jennifer J. Gregas, APNP's NPI number?
Jennifer J. Gregas, APNP's National Provider Identifier (NPI) is 1578759122, issued on Sep 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer J. Gregas, APNP located?
The NPPES record lists a practice address at 3111 Gunderson RD, Onalaska, WI, 54650. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Jennifer J. Gregas, APNP's license?
NPPES lists Wisconsin license number 3215-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer J. Gregas, APNP prescribe under Medicare Part D?
In 2024, Jennifer J. Gregas, APNP had 256 Medicare Part D claims for 97 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.