NPPES file of Aug 9, 2026

Jessica Harnish, NP

Family Nurse Practitioner · Naperville, IL

Jessica Harnish, NP is a family nurse practitioner with a practice address in Naperville, Illinois, and NPI 1427453539, issued on Oct 31, 2014. Check the license (Illinois 209.011898, 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427453539
Name
Jessica Harnish
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209.011898 IL
Self-reported in NPPES; status is on the state search
Practice location
1243 Rickert Dr, Naperville, IL 60540
Phone
(630) 527-6450
Enumerated
Oct 31, 2014
Record last updated
Oct 13, 2023
Medicare enrollment
Enrolled (PECOS I20150617001390); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1243 Rickert Dr

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

  1. Scott Berger, M.D.Gastroenterology Physician1366483455
  2. Abhishek Bhandari, M.D.Gastroenterology Physician1194092031
  3. Sidharth Bhandari, D.O.Gastroenterology Physician1871941435
  4. Michelle Bianzon, AGPCNPNurse Practitioner1144623752
  5. Thomas Couri, M.D.Gastroenterology Physician1619357639
  6. Hemali DesaiPhysician Assistant1710467766

Verify Jessica Harnish 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 209.011898
    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.

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

81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

249 Medicare Part D claims for 87 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Jessica Harnish249
  2. Specialty average1,305

Most prescribed

  1. Omeprazole73 claims
  2. Pantoprazole Sodium62 claims
  3. Famotidine26 claims
  4. Peg 3350-Electrolyte11 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 MIPS final score for 2023 (Medicare payment program): 91.4 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 score82.7
  2. Costnot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Suburban Gastroenterology LtdNaperville, IL

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

Jessica Harnish among 7,639 family nurse practitioner records in Illinois

Jessica Harnish, NP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 20% of them.

  • NPI issued2014 · 20% of these records are older, 76% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2014 · median 2018 among the 4,778 with a school on file
  • Record last updated2023 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 family nurse practitioner records list a practice address in Naperville

They are 100 of the 4,634 NPPES records with a practice address in Naperville, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Megan Biederman, NPNaperville, IL 605401316276538
  2. Michael Coffel, FNP-BCNaperville, IL 605401275795866
  3. Jennifer Hemmelgarn, CNPNaperville, IL 605401720394208
  4. Alison Lennhardt, FNP-CNaperville, IL 605401366866501
  5. Cheryl Lorenzin, NPNaperville, IL 605401417226986
  6. Shannon Messerges, NP-CNaperville, IL 605401528430725
  7. Abigail Murphy, APNNaperville, IL 605401164812988
  8. Jeanne Ondyak, CNPNaperville, IL 605401346202165

Common questions

What is Jessica Harnish, NP's NPI number?

Jessica Harnish, NP's National Provider Identifier (NPI) is 1427453539, issued on Oct 31, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Harnish, NP located?

The NPPES record lists a practice address at 1243 Rickert Dr, Naperville, IL, 60540. Phone: (630) 527-6450. Providers update this record themselves, so call before visiting.

How can I verify Jessica Harnish, NP's license?

NPPES lists Illinois license number 209.011898, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jessica Harnish, NP prescribe under Medicare Part D?

In 2024, Jessica Harnish, NP had 249 Medicare Part D claims for 87 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Jessica Harnish, NP's MIPS final score?

The 2023 MIPS final score is 91.4 of 100. 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.