NPPES file of Aug 9, 2026

Jessica Sestak Winkleman, FNP-C

Family Nurse Practitioner · Springfield, IL

Jessica Sestak Winkleman, FNP-C is a family nurse practitioner with a practice address in Springfield, Illinois, and NPI 1043741234, issued on Mar 21, 2017. Check the license (Illinois 209015715, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043741234
Name
Jessica Sestak Winkleman
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209015715 IL
Self-reported in NPPES; status is on the state search
Practice location
315 W Carpenter St FL 1, Springfield, IL 62702
Phone
(217) 545-8000
Enumerated
Mar 21, 2017
Record last updated
Mar 25, 2025
Medicare enrollment
Enrolled (PECOS I20170929001906); accepts Medicare assignment
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 315 W Carpenter St FL 1

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

  1. Sharjeel Arshad, MDGastroenterology Physician1144636069
  2. Waqas AzharHematology & Oncology Physician1598172140
  3. Amanda ClouserRegistered Nurse1164087276
  4. Meghna Desai, MDHematology & Oncology Physician1609865294
  5. Ruchika Goel, MD, MPHPediatric Hematology & Oncology Physician1912160151
  6. Jack Ohringer, MDGastroenterology Physician1285658393

Verify Jessica Sestak Winkleman 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 209015715
    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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83% fewer Medicare Part D claims than the average family nurse practitioner in 2024

227 Medicare Part D claims for 101 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Jessica Winkleman227
  2. Specialty average1,305

Most prescribed

  1. Famotidine34 claims
  2. Omeprazole33 claims
  3. Peg 3350-Electrolyte29 claims
  4. Linzess19 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf19 claims
  6. Dicyclomine Hcl13 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: $503.57

15 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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. Jessica Winkleman$503.57
  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. Siu Physicians And Surgeons IncSpringfield, IL

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

Jessica Sestak Winkleman among 7,639 family nurse practitioner records in Illinois

Jessica Sestak Winkleman, FNP-C 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 2017, is newer than 37% of them.

  • NPI issued2017 · 37% of these records are older, 56% 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 updated2025 · 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).

309 family nurse practitioner records list a practice address in Springfield

They are 309 of the 4,997 NPPES records with a practice address in Springfield, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Theresa Boley, CFNPSpringfield, IL 627021184605743
  2. Lorrie Cuartas, WHNP, FNP-BCSpringfield, IL 627021649271073
  3. Mary Ditman, C.F.N.P.Springfield, IL 627021114920139
  4. Airn Etherton, FNP-BCSpringfield, IL 627021114115920
  5. Pamela Kelley, C.N.P.Springfield, IL 627021588852107
  6. Denise Mears, FNP-BC, PNP-BCSpringfield, IL 627021326136870
  7. Christopher Mogren, CFNPSpringfield, IL 627021417147927
  8. Linda Read, FNP-BCSpringfield, IL 627021326242629

Common questions

What is Jessica Sestak Winkleman, FNP-C's NPI number?

Jessica Sestak Winkleman, FNP-C's National Provider Identifier (NPI) is 1043741234, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Sestak Winkleman, FNP-C located?

The NPPES record lists a practice address at 315 W Carpenter St FL 1, Springfield, IL, 62702. Phone: (217) 545-8000. Providers update this record themselves, so call before visiting.

How can I verify Jessica Sestak Winkleman, FNP-C's license?

NPPES lists Illinois license number 209015715, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Jessica Sestak Winkleman, FNP-C prescribe under Medicare Part D?

In 2024, Jessica Sestak Winkleman, FNP-C had 227 Medicare Part D claims for 101 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.