Nicolai S. Gerhartz, PA-C
Physician Assistant · Kewaskum, WI
Nicolai S. Gerhartz, PA-C is a physician assistant with a practice address in Kewaskum, Wisconsin, and NPI 1790188498, issued on Oct 8, 2014. Check the license (Wisconsin 4605-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nicolai S. Gerhartz
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 4605-23 WI
3633250 WI
Self-reported in NPPES; status is on the state search - Practice location
- W832 County RD S, Kewaskum, WI 53040
- Phone
- (262) 384-0772
- Enumerated
- Oct 8, 2014
- Record last updated
- Oct 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20190507002412); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Nicolai S. Gerhartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4605-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
234 Medicare Part D claims for 85 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Atorvastatin Calcium31 claims
- Cefdinir20 claims
- Furosemide15 claims
- Eliquis14 claims
- Carvedilol11 claims
- Levothyroxine Sodium11 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): 83.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Aspirus Stevens Point Hospital And Clinics, Inc.Stevens Point, WI
- Divine Savior Healthcare IncPortage, WI
- St Clare Memorial Hospital, IncOconto Falls, WI
- St. Nicholas Hospital-Sisters OF The Third Order OF St FrancisSheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 physician assistant records list a practice address in Kewaskum
They are 1 of the 42 NPPES records with a practice address in Kewaskum, and 3,475 physician assistant records in Wisconsin.
Other physician assistant records in Wisconsin
- Amber Abraham, PA-CGreen Bay, WI1598993297
- Roopa AchuriNeenah, WI1225531635
- Carleen Acker, PA-CMadison, WI1447514773
- Lauren Ackerman, PA-CCudahy, WI1992357982
- Jocelyn Acompanado, PA-CSheboygan, WI1770521486
- Kora Adam, PA-CBurlington, WI1952666554
- Stephanie Adamczyk, PAMilwaukee, WI1063007441
- Kristen Adamo, PANew Berlin, WI1437179520
- Beth Adams, PA-CMequon, WI1801237540
- Eric Adams, PAGreen Bay, WI1528445087
Common questions
What is Nicolai S. Gerhartz, PA-C's NPI number?
Nicolai S. Gerhartz, PA-C's National Provider Identifier (NPI) is 1790188498, issued on Oct 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nicolai S. Gerhartz, PA-C located?
The NPPES record lists a practice address at W832 County RD S, Kewaskum, WI, 53040. Phone: (262) 384-0772. Providers update this record themselves, so call before visiting.
How can I verify Nicolai S. Gerhartz, PA-C's license?
NPPES lists Wisconsin license number 4605-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Nicolai S. Gerhartz, PA-C prescribe under Medicare Part D?
In 2024, Nicolai S. Gerhartz, PA-C had 234 Medicare Part D claims for 85 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Nicolai S. Gerhartz, PA-C's MIPS final score?
The 2023 MIPS final score is 83.7 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.