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Angela Croessman-Marshall

Angela Croessman-Marshall, APRN

Gastroenterology

Accepting New Patients
Need help scheduling? Call 618-641-5803

Highlights

Age Groups Seen

  • Adult: 18-64
  • Older adult: 65+

Languages

  • English

Gender

Female

About Angela Croessman-Marshall

About The Provider

Angela Croessman-Marshall, MSN, AGPCNP-BC, is an adult gerontology primary care nurse practitioner who provides comprehensive gastroenterology care for adults. She earned a Master of Science in Nursing from Walden University and a Bachelor of Science in Nursing from McKendree University. Croessman-Marshall is nationally certified through the American Association of Nurse Practitioners. Her clinical focus includes inflammatory bowel disease, gastroesophageal reflux disease, liver disease and functional gastrointestinal disorders such as irritable bowel syndrome.

Croessman-Marshall is committed to thorough patient assessment and accurate diagnosis. She conducts detailed histories, comprehensive physical examinations and interprets diagnostic tests to guide evidence-based treatment plans. With a strong background in critical care and cardiovascular services, she brings sound clinical judgment to both routine and complex gastrointestinal concerns. She emphasizes symptom management, patient education and practical care planning to improve daily function and overall quality of life.

She believes each patient has unique needs, values and goals. Croessman-Marshall prioritizes listening, clear communication and shared decision-making. She works with patients to develop treatment plans that align with their preferences and circumstances, helping them understand their condition and feel confident managing their health.
 

Locations

    • 3 Saint Elizabeth Boulevard, Suite 5000, O Fallon, IL 62269
    • Get Directions
    • phone: 618-641-5803
    • fax: 618-607-5116

Expertise

Education

  • Graduate School: Walden University School Of Nursing, AGPCNP, 2025

Insurance

Please contact the doctor's office directly to confirm acceptance of insurance.
Search plans
  • AETNA BETTER HEALTH
  • AETNA/COVENTRY
  • AMBETTER
  • BCBSIL HMOI (SITE 351) via SIHCA
  • BCBSIL PPO
  • CIGNA
  • CLEAR SPRING HEALTH
  • CONSOCIATE CARE
  • CORVEL
  • CURRENT HEALTH SOLUTIONS
  • HUMANA
  • MEDICA
  • MEDICARE
  • MULTIPLAN PHCS SAVILITY
  • NAPHCARE
  • OPTUM UHC VA CCN
  • PNOA
  • ZELIS/HFN