NPPES file of Aug 9, 2026

Kathleen Probst, NP

Family Nurse Practitioner · Chester, IL

Kathleen Probst, NP is a family nurse practitioner with a practice address in Chester, Illinois, and NPI 1386836328, issued on Aug 14, 2007. Check the license (Illinois 209006709, 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
1386836328
Name
Kathleen Probst
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
209006709 IL
143113 MO
Self-reported in NPPES; status is on the state search
Practice location
2319 Old Plank RD, Chester, IL 62233
Phone
(618) 826-2388
Enumerated
Aug 14, 2007
Record last updated
Dec 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(618) 826-3350
Medicare enrollment
Enrolled (PECOS I20150918001968); 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 2319 Old Plank RD

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

  1. Eve Hoover, PAPhysician Assistant1245323260
  2. Doyle Witt, M.D.Family Medicine Physician1649613134

Verify Kathleen Probst 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 209006709
    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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60% fewer Medicare Part D claims than the average family nurse practitioner in 2024

518 Medicare Part D claims for 348 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Kathleen Probst518
  2. Specialty average1,305

Most prescribed

  1. Prednisone73 claims
  2. Doxycycline Monohydrate68 claims
  3. Cephalexin44 claims
  4. Amoxicillin-Clavulanate Potass32 claims
  5. Nitrofurantoin Mono-Macro24 claims
  6. Ofloxacin22 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: $116.67

3 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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. Kathleen Probst$116.67
  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. Total Access Urgent Care PCSaint Louis, MO

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

Kathleen Probst among 7,639 family nurse practitioner records in Illinois

Kathleen Probst, 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 2007, is newer than 5% of them.

  • NPI issued2007 · 5% of these records are older, 92% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2007 · median 2018 among the 4,778 with a school on file
  • Record last updated2019 · 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).

2 family nurse practitioner records list a practice address in Chester

They are 2 of the 66 NPPES records with a practice address in Chester, and 7,639 family nurse practitioner records in Illinois.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Mindy Dudenbostel, CNPChester, IL 622331447603246
  2. Kenecia DonesCollinsville, IL 622341396204301
  3. Zachary Ford, RN, FNP-CCollinsville, IL 622341952057903
  4. Amanda Hemphill, FNP-BCCollinsville, IL 622341073973863
  5. Samantha Jackson, FNP-BCCollinsville, IL 622341861960221
  6. Megan Mihelcic, FNPCollinsville, IL 622341205263589
  7. Tanvi Patel, FNP-BCCaseyville, IL 622321548954357
  8. April ThomasCollinsville, IL 622341740017359

Common questions

What is Kathleen Probst, NP's NPI number?

Kathleen Probst, NP's National Provider Identifier (NPI) is 1386836328, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Probst, NP located?

The NPPES record lists a practice address at 2319 Old Plank RD, Chester, IL, 62233. Phone: (618) 826-2388. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Probst, NP's license?

NPPES lists Illinois license number 209006709, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Kathleen Probst, NP prescribe under Medicare Part D?

In 2024, Kathleen Probst, NP had 518 Medicare Part D claims for 348 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.