NPPES file of Aug 9, 2026

Sarah Elizabeth Grunke, PA-C

Physician Assistant · Oshkosh, WI

Sarah Elizabeth Grunke, PA-C is a physician assistant with a practice address in Oshkosh, Wisconsin, and NPI 1598198426, issued on Aug 14, 2013. Check the license (Wisconsin 7318, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598198426
Name
Sarah Grunke
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
7318 WI
016823 NY
Self-reported in NPPES; status is on the state search
Practice location
1855 S Koeller St, Oshkosh, WI 54902
Phone
(920) 223-2000
Enumerated
Aug 14, 2013
Record last updated
Dec 19, 2023
Medicaid ID
100249649 WI
Medicare enrollment
Enrolled (PECOS I20230727001232); 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 1855 S Koeller St

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

  1. Samantha AdamsFamily Nurse Practitioner1467853622
  2. Kristian Bastress, DNP, APNP, FNP-BCFamily Nurse Practitioner1154947851
  3. Angela Beach, NP-CFamily Nurse Practitioner1881197028
  4. Brenda Brusky, NPAdult Health Nurse Practitioner1760749097
  5. Steven Cavness, PHDPsychologist1669466421
  6. David Coleman, MDFamily Medicine Physician1639170301

Verify Sarah Grunke 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 7318
    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.

24% fewer Medicare Part D claims than the average physician assistant in 2024

634 Medicare Part D claims for 427 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Sarah Grunke634
  2. Specialty average830

Most prescribed

  1. Prednisone195 claims
  2. Cephalexin82 claims
  3. Doxycycline Hyclate72 claims
  4. Amoxicillin-Clavulanate Potass56 claims
  5. Ciprofloxacin Hcl27 claims
  6. Triamcinolone Acetonide25 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): 77.8 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 score77.5
  2. Costout of 100 · 30%63.8
  3. Promoting interoperabilityout of 100 · 25%77.0
  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 one group practice

  1. Emergency Medicine Specialists SCNeenah, WI

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

43 physician assistant records list a practice address in Oshkosh

They are 43 of the 1,527 NPPES records with a practice address in Oshkosh, and 3,475 physician assistant records in Wisconsin.

Other physician assistant records in Wisconsin

  1. Amber Abraham, PA-CGreen Bay, WI1598993297
  2. Roopa AchuriNeenah, WI1225531635
  3. Carleen Acker, PA-CMadison, WI1447514773
  4. Lauren Ackerman, PA-CCudahy, WI1992357982
  5. Jocelyn Acompanado, PA-CSheboygan, WI1770521486
  6. Kora Adam, PA-CBurlington, WI1952666554
  7. Stephanie Adamczyk, PAMilwaukee, WI1063007441
  8. Kristen Adamo, PANew Berlin, WI1437179520
  9. Beth Adams, PA-CMequon, WI1801237540
  10. Eric Adams, PAGreen Bay, WI1528445087

Common questions

What is Sarah Elizabeth Grunke, PA-C's NPI number?

Sarah Elizabeth Grunke, PA-C's National Provider Identifier (NPI) is 1598198426, issued on Aug 14, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Elizabeth Grunke, PA-C located?

The NPPES record lists a practice address at 1855 S Koeller St, Oshkosh, WI, 54902. Phone: (920) 223-2000. Providers update this record themselves, so call before visiting.

How can I verify Sarah Elizabeth Grunke, PA-C's license?

NPPES lists Wisconsin license number 7318, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Elizabeth Grunke, PA-C prescribe under Medicare Part D?

In 2024, Sarah Elizabeth Grunke, PA-C had 634 Medicare Part D claims for 427 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Sarah Elizabeth Grunke, PA-C's MIPS final score?

The 2023 MIPS final score is 77.8 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.