NPPES file of Aug 9, 2026

Lori L. Greiner, FNP

Nurse Practitioner · Onalaska, WI

Lori L. Greiner, FNP is a nurse practitioner with a practice address in Onalaska, Wisconsin, and NPI 1972935997, issued on Aug 1, 2013. Check the license (Wisconsin 5453-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972935997
Name
Lori L. Greiner
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
5453-33 WI
5453 WI
Self-reported in NPPES; status is on the state search
Practice location
191 Theater RD, Onalaska, WI 54650
Phone
(608) 785-0940
Enumerated
Aug 1, 2013
Record last updated
Jan 3, 2024
Medicare enrollment
Enrolled (PECOS I20131024001724); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 191 Theater RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Althoff, MDFamily Medicine Physician1073545729
  2. Katie Beahm, PA-CPhysician Assistant1083049985
  3. Mark Beahm, M.D.Family Medicine Physician1689908360
  4. Savana Becker, DPTPhysical Therapist1457977886
  5. Craig Bennett, MDFamily Medicine Physician1073571444
  6. Susan Bock, APNPNurse Practitioner1861496689

Verify Lori L. Greiner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 5453-33    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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73% fewer Medicare Part D claims than the average nurse practitioner in 2024

304 Medicare Part D claims for 235 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Lori Greiner304
  2. Specialty average1,109

Most prescribed

  1. Amoxicillin-Clavulanate Potass41 claims
  2. Prednisone36 claims
  3. Nitrofurantoin Mono-Macro28 claims
  4. Doxycycline Hyclate19 claims
  5. Cephalexin18 claims
  6. Fluticasone Propionate18 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 one group practice

  1. Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

13 nurse practitioner records list a practice address in Onalaska

They are 13 of the 568 NPPES records with a practice address in Onalaska, and 3,995 nurse practitioner records in Wisconsin.

All 13 in Onalaska → All 3,995 in Wisconsin → Every provider in Onalaska →

Other nurse practitioner records in Wisconsin

  1. Caroline Aaberg, APNPMadison, WI1881384394
  2. Joyce Abbott, APNPOshkosh, WI1003824665
  3. Mohamed Abdelazim, APNPAppleton, WI1760266696
  4. Jacklyn Abel, AGACNP-BCMauston, WI1104631506
  5. Henrietta Abili, APNPGermantown, WI1174859524
  6. Jade Abts, NPGreen Bay, WI1992293708
  7. Karalyn Adam, DNP, RNMarshfield, WI1780933051
  8. Carol Adamczyk, MSNWauwatosa, WI1457502395
  9. Amanda Adams, NPMadison, WI1023366598
  10. Bernadette Adams, FNPWestby, WI1427047620

Common questions

What is Lori L. Greiner, FNP's NPI number?

Lori L. Greiner, FNP's National Provider Identifier (NPI) is 1972935997, issued on Aug 1, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Lori L. Greiner, FNP located?

The NPPES record lists a practice address at 191 Theater RD, Onalaska, WI, 54650. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.

How can I verify Lori L. Greiner, FNP's license?

NPPES lists Wisconsin license number 5453-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Lori L. Greiner, FNP prescribe under Medicare Part D?

In 2024, Lori L. Greiner, FNP had 304 Medicare Part D claims for 235 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.