Katherine Nass, NP
Family Nurse Practitioner · St Charles, IL
Katherine Nass, NP is a family nurse practitioner with a practice address in St Charles, Illinois, and NPI 1598442873, issued on Jun 29, 2023. Check the license (Illinois 041.454587, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Nass
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 041.454587 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2210 Dean St Ste M, St Charles, IL 60175
- Phone
- (630) 668-9610
- Enumerated
- Jun 29, 2023
- Entity
- Type 1 · individual
Also registered at 2210 Dean St Ste M
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Parisa Gerami-Lehnerer, M.D.Internal Medicine Physician1295140291
Verify Katherine Nass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 041.454587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
251 Medicare Part D claims for 68 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Fluticasone Propionate22 claims
- Prednisone20 claims
- Albuterol Sulfate Hfa16 claims
- Azelastine Hcl16 claims
- Ipratropium Bromide16 claims
- Trelegy Ellipta14 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.
Industry payments in 2024: $608.10
27 payments, mostly food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
22 family nurse practitioner records list a St Charles practice address
They are 22 of the 1,113 NPPES records with a St Charles practice address, and 7,207 family nurse practitioner records in Illinois.
All 22 in St Charles → All 7,207 in Illinois → Every provider in St Charles →
Other family nurse practitioner records in Illinois
- Deborah Aaron, FNPChicago, IL1114024916
- Lawrence Abah, APNAurora, IL1306305115
- Theresa AbbaduskyPekin, IL1265892046
- Nadia Abbasi-Kling, FNP-BCChicago, IL1033767736
- Manar Abdalla, FNPChicago, IL1700632411
- Mahubah Abdallah, FNP-CRochelle, IL1841752284
- Rana Abdallah, DNP, APRN, FNP-CLake Villa, IL1851261887
- Servet Abdelhafez, APRNBrookfield, IL1790505048
- Nadia Abdessalam, FNP-BCOak Lawn, IL1356888283
- Saima Abdul Karim, FNP-BCCoal City, IL1629498753
Common questions
What is Katherine Nass, NP's NPI number?
Katherine Nass, NP's National Provider Identifier (NPI) is 1598442873, issued on Jun 29, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Nass, NP located?
The NPPES record lists a practice address at 2210 Dean St Ste M, St Charles, IL, 60175. Phone: (630) 668-9610. Providers update this record themselves, so call before visiting.
How can I verify Katherine Nass, NP's license?
NPPES lists Illinois license number 041.454587, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Nass, NP prescribe under Medicare Part D?
In 2024, Katherine Nass, NP had 251 Medicare Part D claims for 68 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.