Angela Croessman-Marshall, AGNP-C
NPI 1023994274 · Adult Health Nurse Practitioner · O Fallon, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Angela Croessman-Marshall, AGNP-C is a Adult Health Nurse Practitioner provider in O Fallon, IL (NPI 1023994274).
Provider details
- NPI number
- 1023994274
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 2025034851 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-08-13
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Angela Croessman-Marshall's NPI number?
- Angela Croessman-Marshall's National Provider Identifier (NPI) is 1023994274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Angela Croessman-Marshall's specialty?
- Angela Croessman-Marshall is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Angela Croessman-Marshall located?
- Angela Croessman-Marshall's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 5000, O Fallon, IL 62269-1282.
- What is Angela Croessman-Marshall's phone number?
- The practice phone number listed in the NPPES registry for Angela Croessman-Marshall is (618) 641-5803.
- Does Angela Croessman-Marshall accept Medicare?
- Angela Croessman-Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Angela Croessman-Marshall's NPI active?
- Yes — Angela Croessman-Marshall's NPI (1023994274) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.