Registry data as of Aug 27, 2026

Katherine Coss, NP

Nurse Practitioner · Huntley, IL

Katherine Coss, NP is a nurse practitioner with a practice address in Huntley, Illinois, and NPI 1730574914, issued on Apr 3, 2015. Check the license (Illinois 209.012689, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1730574914
Name
Katherine Coss
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.012689 IL
Self-reported in NPPES; status is on the state search
Practice location
10350 Haligus RD Ste 120, Huntley, IL 60142
Phone
(815) 356-2323
Enumerated
Apr 3, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10350 Haligus RD Ste 120

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

  1. Tracy Arghavani, DOObstetrics & Gynecology Physician1194934554
  2. Jill Behm, APRN, CNPNurse Practitioner1083658082
  3. Rosemary Espinoza, MDObstetrics & Gynecology Physician1013940238
  4. Susan Howey, MDObstetrics & Gynecology Physician1639242035
  5. Sarah Khan, M.D.Internal Medicine Physician1235663071
  6. Marianne Krupka, D.O.Obstetrics Physician1215382999

Verify Katherine Coss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209.012689
    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 Illinois 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.

87% fewer Medicare Part D claims than the average nurse practitioner in 2024

151 Medicare Part D claims for 65 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D.

  1. Katherine Coss151
  2. Specialty average1,144

Most prescribed

  1. Estradiol54 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 Medicare quality score for 2023: 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score82.6
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Central Dupage Physician GroupHuntley, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

15 nurse practitioner records list a Huntley practice address

They are 15 of the 372 NPPES records with a Huntley practice address, and 4,005 nurse practitioner records in Illinois.

Other nurse practitioner records in Illinois

  1. Janice Abadilla, FNP-BCPeoria, IL1548157175
  2. Roseviminda Abano, CNPGurnee, IL1215318555
  3. Philomena AbebePark Ridge, IL1902780174
  4. Milagros Abellera, APNChicago, IL1528076239
  5. Edwina Abloh, APN-CNPSkokie, IL1689314098
  6. Sandra Abraham, CNPDwight, IL1982883245
  7. Hazel Acacio, APNPWauconda, IL1205471679
  8. Anthony Aceto, APRN, FNP-CSchaumburg, IL1891302956
  9. Francisco Acevedo, APRN, CNPMokena, IL1467446930
  10. Ijeoma Achebe, FNPChicago, IL1013498294

Common questions

What is Katherine Coss, NP's NPI number?

Katherine Coss, NP's National Provider Identifier (NPI) is 1730574914, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Coss, NP located?

The NPPES record lists a practice address at 10350 Haligus RD Ste 120, Huntley, IL, 60142. Phone: (815) 356-2323. Providers update this record themselves, so call before visiting.

How can I verify Katherine Coss, NP's license?

NPPES lists Illinois license number 209.012689, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Coss, NP prescribe under Medicare Part D?

In 2024, Katherine Coss, NP had 151 Medicare Part D claims for 65 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

What is Katherine Coss, NP's Medicare quality score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.