Alexa Williams
1101 Highway K, 
O Fallon, MO 

Overview

Dr. Alexa Williams is a board-certified obstetrician and gynecologist who provides compassionate, comprehensive care for women at every stage of life. She offers full-spectrum OB/Gyn services, including both low- and high-risk obstetrics, routine gynecologic care, and preventive health services. Her practice also includes natural family planning, with specialized training in the Creighton Model and NaProTechnology, offering women evidence-based options to understand and work with their fertility. Passionate about patient education and partnership, Dr. Williams values listening to each woman's unique needs and tailoring care that respects each person's goals and overall health. Her aim is to create a safe, welcoming space where patients feel supported, respected, and cared for-whether it's during routine visits or some of life's most important moments. Outside of medicine, Dr. Williams is a devoted wife and mother of six. She enjoys cooking and baking healthy meals, decorating and renovating her home, reading, and deepening her Catholic faith-which guides both her personal life and her approach to patient care. She is a proud member of the Catholic Medical Association, and the American Board of Obstetrics and Gynecology.

Her top areas of expertise are Premenstrual Syndrome, Polycystic Ovary Syndrome, Painful Menstrual Periods, Vaginal Bleeding Between Periods, and Hormone Replacement Therapy (HRT).

Graduate Institution
University Of Arizona
Residency
Mercy Hospital St. Louis
Specialties
Obstetrics and Gynecology
Licenses
Obstetrics & Gynecology in MO
Board Certifications
American Board Of Obstetrics & Gynecology
Drug Enforcement Administration
Missouri Dept Of Health/Narcotics&Dangerous Drugs
Missouri State Board Of Registration
Hospital Affiliations
SSM Health St. Joseph Hospital - Lake Saint Louis
Languages Spoken
English
Gender
Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Celtic
  • HMO
  • INSURANCE PLAN
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Essence Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Home State Health
  • EPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Sentara Healthcare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE ASSISTANCE PROGRAM
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

SSM Health Medical Group
1101 Highway K, O Fallon, MO 63366
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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