Angela N. Croessman-Marshall, AGNP-C
Adult Health Nurse Practitioner · O Fallon, IL
Angela N. Croessman-Marshall, AGNP-C is an adult health nurse practitioner with a practice address in O Fallon, Illinois, and NPI 1023994274, issued on Aug 13, 2025. Check the license (Illinois 209032939, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Angela N. Croessman-Marshall
- Credential
- AGNP-C
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 209032939 IL
2025034851 MO
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
- Aug 13, 2025
- Record last updated
- Mar 16, 2026
- Fax
- (618) 607-5116
- Medicare enrollment
- Enrolled (PECOS I20250926001277); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 743 in Illinois → Look up another NPI →
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.
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Verify Angela N. Croessman-Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209032939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Southern Illinois Health Care Foundation IncCollinsville, IL
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angela N. Croessman-Marshall among 743 adult health nurse practitioner records in Illinois
Angela N. Croessman-Marshall, AGNP-C 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 2025, is newer than 96% of them.
- NPI issued2025 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2025 · median 2013 among the 372 with a school on file
- Record last updated2026 · 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.
All 743 in Illinois → Every provider in O Fallon → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Katherine Corbin, NP-CO Fallon, IL 622691710433768
- Lori Beth Helmers, APRNO Fallon, IL 622691063457794
- Crystal Jesenick, A.N.P.-CO Fallon, IL 622691396831616
- Megan Knetzer, FNPO Fallon, IL 622691790301232
- Dana Loepker, APNO Fallon, IL 622691225295967
- Kayla McCarthy, ANPShiloh, IL 622691861902025
- Patricia RellekeO Fallon, IL 622691770949125
- Susan Stewart, A.N.P.O Fallon, IL 622691588974026
Common questions
What is Angela N. Croessman-Marshall, AGNP-C's NPI number?
Angela N. Croessman-Marshall, AGNP-C's National Provider Identifier (NPI) is 1023994274, issued on Aug 13, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Angela N. Croessman-Marshall, AGNP-C 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 Angela N. Croessman-Marshall, AGNP-C's license?
NPPES lists Illinois license number 209032939, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.