Summary

Dr. Geraldine Ryan has practiced internal medicine and pediatrics for 38 years and is affiliated with Mercy Hospital Saint Louis. She treats heart failure, weakness, and limping, and performs physical therapy, strength training, and bedside swallow evaluations. Dr. Ryan earned her medical degree from St. Louis University School of Medicine and sees patients in O'Fallon, Missouri. Patients on Vitals rate Dr. Ryan 3.96 out of 5.

Overview based on verified provider data

Quick Facts

  • 4
  • 38 years of experience
  • 20 insurance plans accepted
  • speaks English
  • St Louis University School Of Medicine
  • 8 written reviews
  • 2 specialties
  • 7 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Mercy Clinic Primary Care - Winghaven

2223 Technology Dr Ste 40O Fallon, MO 63368
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

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Geraldine A. RyanDr. Siroth Charnond, MDEric HarkerDr. Adewumi Bakare DMSc, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
4 
3.2 
4 
0 
38 Years of Experience 31 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
O Fallon , MOFlorissant , MOLyons , COMesquite , TX
Med School: St Louis University School Of Medicine Med School: University of Mo-Kansas City Sch of Med, Kansas City Mo Med School: Duke University School Of Medicine Med School: University of Lynchburg - DMSc
Current Profile
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Insurance Plans Accepted by Geraldine A. Ryan

  • Accepts Medicare
  • Aetna
  • Anthem BlueCross BlueShield
  • Ascension Smart Health
  • Cigna
  • Essence
  • Health Net Federal Services
  • Healthlink
  • Healthy Blue (formerly Missouri Care)
  • HFN Inc.
  • Home State Health
  • Humana
  • Humana Military
  • Live360 (Health Choices Network)
  • Medica
  • MultiPlan/PHCS
  • NHC Advantage
  • PPHP (Provider Partners Health Plan)
  • Sterling Medicare
  • United Healthcare
  • WellCare Medicare Advantage

Medical Specialties

Geraldine A. Ryan has the following 2 specialties

Specialty Expertise

Geraldine A. Ryan has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Internist/pediatrician
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

38 Years Experience

Geraldine A. Ryan holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Medical School

Graduated from St Louis University School Of Medicine in 1988.

NPI Number

Geraldine A. Ryan's NPI number is 1689640609.

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Frequently Asked Questions

Does Geraldine Ryan accept virtual/telehealth appointments?
Geraldine Ryan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Geraldine Ryan accept my insurance?
You can see the insurance plans that Geraldine Ryan accepts on their Vitals profile.
How can I make an appointment with Geraldine Ryan?
You can find contact information for Geraldine Ryan here on Vitals.
Is Geraldine Ryan accepting new patients?
Geraldine Ryan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Geraldine Ryan's office located?
Geraldine Ryan's office is located at 2223 Technology Dr Ste 40, O Fallon, MO, 63368.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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