NPPES file of Aug 9, 2026

Susan Elizabeth Stewart, A.N.P.

Adult Health Nurse Practitioner · O Fallon, IL

Susan Elizabeth Stewart, A.N.P. is an adult health nurse practitioner with a practice address in O Fallon, Illinois, and NPI 1588974026, issued on Oct 18, 2010. Check the license (Illinois 209007628, 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
1588974026
Name
Susan Elizabeth Stewart
Credential
A.N.P.
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
209007628 IL
209.007628 IL
Self-reported in NPPES; status is on the state search
Practice location
3 St. Elizabeth's Blvd., O Fallon, IL 62269
Phone
(618) 233-6044
Enumerated
Oct 18, 2010
Record last updated
Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(618) 233-5195
Medicare enrollment
Enrolled (PECOS I20110107000696); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 2009
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.
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Also registered at 3 St. Elizabeth's Blvd.

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

  1. Fatima Ahmad, M.D.Student in an Organized Health Care Education/Training Program1659217214
  2. Christopher Chang, D.O.Student in an Organized Health Care Education/Training Program1134979537

Verify Susan Elizabeth Stewart 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 209007628
    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.

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79% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

274 Medicare Part D claims for 130 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 18 claims were for opioids.

  1. Susan Stewart274
  2. Specialty average1,280

Most prescribed

  1. Metoprolol Succinate22 claims
  2. Eliquis14 claims
  3. Amoxicillin-Clavulanate Potass13 claims
  4. Prednisone13 claims
  5. Furosemide11 claims
  6. Losartan Potassium11 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): 94.6 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 score85.2
  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 2 group practices

  1. Cep America-Illinois Hospitalists, LLPLitchfield, IL
  2. Prairie Cardiovascular Consultants LtdLitchfield, IL

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

Susan Elizabeth Stewart among 743 adult health nurse practitioner records in Illinois

Susan Elizabeth Stewart, A.N.P. is one of 743 adult health nurse practitioner records with a practice address in Illinois. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 36% of them.

  • NPI issued2010 · 36% of these records are older, 59% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2009 · median 2013 among the 372 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 adult health nurse practitioner records list a practice address in O Fallon

They are 9 of the 1,077 NPPES records with a practice address in O Fallon, and 743 adult health nurse practitioner records in Illinois.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Katherine Corbin, NP-CO Fallon, IL 622691710433768
  2. Angela Croessman-Marshall, AGNP-CO Fallon, IL 622691023994274
  3. Lori Beth Helmers, APRNO Fallon, IL 622691063457794
  4. Crystal Jesenick, A.N.P.-CO Fallon, IL 622691396831616
  5. Megan Knetzer, FNPO Fallon, IL 622691790301232
  6. Dana Loepker, APNO Fallon, IL 622691225295967
  7. Kayla McCarthy, ANPShiloh, IL 622691861902025
  8. Patricia RellekeO Fallon, IL 622691770949125

Common questions

What is Susan Elizabeth Stewart, A.N.P.'s NPI number?

Susan Elizabeth Stewart, A.N.P.'s National Provider Identifier (NPI) is 1588974026, issued on Oct 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Susan Elizabeth Stewart, A.N.P. located?

The NPPES record lists a practice address at 3 St. Elizabeth's Blvd., O Fallon, IL, 62269. Phone: (618) 233-6044. Providers update this record themselves, so call before visiting.

How can I verify Susan Elizabeth Stewart, A.N.P.'s license?

NPPES lists Illinois license number 209007628, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Susan Elizabeth Stewart, A.N.P. prescribe under Medicare Part D?

In 2024, Susan Elizabeth Stewart, A.N.P. had 274 Medicare Part D claims for 130 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Susan Elizabeth Stewart, A.N.P.'s MIPS final score?

The 2023 MIPS final score is 94.6 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.