NPPES file of Aug 9, 2026

Lonna L. Grosskopf, CRNA

Certified Registered Nurse Anesthetist · Woodruff, WI

Lonna L. Grosskopf, CRNA is a certified registered nurse anesthetist with a practice address in Woodruff, Wisconsin, and NPI 1003856618, issued on Jun 8, 2006. Check the license (Wisconsin 1152, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003856618
Name
Lonna L. Grosskopf
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
1152 WI
91239-030 WI
Self-reported in NPPES; status is on the state search
Practice location
240 Maple St, Woodruff, WI 54568
Phone
(715) 356-8000
Enumerated
Jun 8, 2006
Record last updated
Feb 11, 2026
Medicaid ID
43371600 WI
Medicare enrollment
Enrolled (PECOS I20100621000934); 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.
Download card Updates feed

Also registered at 240 Maple St

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

  1. Margaret Alvarez, NPAcute Care Nurse Practitioner1578775078
  2. James Anderson, MDDiagnostic Radiology Physician1598780041
  3. Robert Birk, PA-CPhysician Assistant1215024716
  4. Frank Burkett, MDSurgery Physician1649212705
  5. Jennifer Deland, CRNACertified Registered Nurse Anesthetist1821038423
  6. Kari Dingman, OTR, CHTOccupational Therapist1649666199

Verify Lonna L. Grosskopf 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 1152
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 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.

  1. Qualityout of 100 · 30% of the final score76.4
  2. Costout of 100 · 30%50.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 4 group practices

  1. Aspirus Ironwood Hospital And Clinics IncIronwood, MI
  2. Beaver Dam Community Hospitals Inc.Beaver Dam, WI
  3. Gastrointestinal Associates S.C.Wausau, WI
  4. Mchs Hospitals IncMarshfield, WI

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

Lonna L. Grosskopf among 1,241 certified registered nurse anesthetist records in Wisconsin

Lonna L. Grosskopf, CRNA is one of 1,241 certified registered nurse anesthetist records with a practice address in Wisconsin. 76% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 62% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1997 · median 2013 among the 932 with a school on file
  • Record last updated2026 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 certified registered nurse anesthetist records list a practice address in Woodruff

They are 7 of the 154 NPPES records with a practice address in Woodruff, and 1,241 certified registered nurse anesthetist records in Wisconsin.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Jennifer Deland, CRNAWoodruff, WI 545681821038423
  2. Hilary Eggen, CRNAWoodruff, WI 545681790291300
  3. Scott Rotar, CRNAWoodruff, WI 545681376586099
  4. David Sell, CRNAWoodruff, WI 545681902833700
  5. John Stapelman, CRNAWoodruff, WI 545681619905452
  6. Angelene Timmerman, CRNAWoodruff, WI 545681265475966
  7. William Mallon, CRNASaint Germain, WI 545581013090885
  8. Katie Anderson, CRNAMinocqua, WI 545481114370210

Common questions

What is Lonna L. Grosskopf, CRNA's NPI number?

Lonna L. Grosskopf, CRNA's National Provider Identifier (NPI) is 1003856618, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lonna L. Grosskopf, CRNA located?

The NPPES record lists a practice address at 240 Maple St, Woodruff, WI, 54568. Phone: (715) 356-8000. Providers update this record themselves, so call before visiting.

How can I verify Lonna L. Grosskopf, CRNA's license?

NPPES lists Wisconsin license number 1152, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is Lonna L. Grosskopf, CRNA's MIPS final score?

The 2023 MIPS final score is 82.4 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.