NPPES file of Aug 9, 2026

Jennifer Schaefer, APN

Family Nurse Practitioner · O Fallon, IL

Jennifer Schaefer, APN is a family nurse practitioner with a practice address in O Fallon, Illinois, and NPI 1396294153, issued on Sep 22, 2016. Check the license (Illinois 209014891, 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
1396294153
Name
Jennifer Schaefer
Credential
APN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209014891 IL
Self-reported in NPPES; status is on the state search
Practice location
3 Saint Elizabeth Blvd Ste 5000, O Fallon, IL 62269
Phone
(618) 641-5803
Enumerated
Sep 22, 2016
Record last updated
May 7, 2022
Medicare enrollment
Enrolled (PECOS I20220516000641); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2016
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 Saint Elizabeth Blvd Ste 5000

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

  1. Roula Al-Dahhak, M.D.Neurology Physician1033116165
  2. Bassim Assioun, M.D.Nephrology Physician1669785408
  3. Zachary Berg, M.D.Pulmonary Disease Physician1255741278
  4. Angela Croessman-Marshall, AGNP-CAdult Health Nurse Practitioner1023994274
  5. Randall Dooley, MDUrology Physician1619940640
  6. Allison Harris, PA-CPhysician Assistant1790588739

Verify Jennifer Schaefer 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 209014891
    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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25% fewer Medicare Part D claims than the average family nurse practitioner in 2024

974 Medicare Part D claims for 444 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Jennifer Schaefer974
  2. Specialty average1,305

Most prescribed

  1. Pantoprazole Sodium218 claims
  2. Peg 3350-Electrolyte161 claims
  3. Omeprazole104 claims
  4. Famotidine64 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf46 claims
  6. Mesalamine45 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).

Industry payments in 2024: $480.65

6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Schaefer$480.65
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Hshs Medical Group IncO Fallon, IL

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

Jennifer Schaefer among 7,639 family nurse practitioner records in Illinois

Jennifer Schaefer, APN 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 2016, is newer than 30% of them.

  • NPI issued2016 · 30% of these records are older, 63% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2018 among the 4,778 with a school on file
  • Record last updated2022 · 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).

32 family nurse practitioner records list a practice address in O Fallon

They are 32 of the 1,077 NPPES records with a practice address in O Fallon, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Amy Buck, APNO Fallon, IL 622691053587402
  2. Susan Drabing, FNP-BCO Fallon, IL 622691326345141
  3. Dawn Drewes, APNO Fallon, IL 622691700177763
  4. Sarah Durnell, FNPO Fallon, IL 622691235568700
  5. Brandy Holthaus, NPO Fallon, IL 622691972922953
  6. Richard Knight, MSN FNP-BCO Fallon, IL 622691992959282
  7. Ricki Loar, APNO Fallon, IL 622691194723312
  8. Gaylin Manion, FNPShiloh, IL 622691023497591

Common questions

What is Jennifer Schaefer, APN's NPI number?

Jennifer Schaefer, APN's National Provider Identifier (NPI) is 1396294153, issued on Sep 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Schaefer, APN located?

The NPPES record lists a practice address at 3 Saint Elizabeth Blvd Ste 5000, O Fallon, IL, 62269. Phone: (618) 641-5803. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Schaefer, APN's license?

NPPES lists Illinois license number 209014891, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Schaefer, APN prescribe under Medicare Part D?

In 2024, Jennifer Schaefer, APN had 974 Medicare Part D claims for 444 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Jennifer Schaefer, APN'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.