Family Nurse Practitioner
4.97
·33 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in upper respiratory infection (uri) + 2 more
Next available: Mon, Sep 28
153 verified Medicare Doctors in O'Fallon, MO
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providers
Availability last updated 08/07/2026
Availability last updated 08/07/2026
Family Nurse Practitioner
5.00
·31 reviews
Very nice, knowledgable and understanding. - Jan 24, 2026 by Kelly I.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic diabetes + 2 more
Next available: Mon, Oct 12
Urgent Care Clinic
4.89
·37 reviews
Beware!!!This place billed my insurance as an ER visit. I went here saw an NP for 15 minutes she took my bp and sent me on my way. Don’t go here unless you want to spend hundreds of dollars for nothing!! - Aug 7, 2024 by Sarah N.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
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A visit to one of our centers in Missouri puts you in the hands of highly credentialed providers who attend to your immediate needs-and opens the door to the resources of our top local health system partner, Mercy, ensuring you receive the care you need today and tomorrow.Click to read more
Primary Care Doctor
4.00
·1 reviewIn-network · Medicare
Accepting new patients · 25+ years of experience · Expertise in chronic high blood pressure ·
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Dr. Monique M. Williams is a Family Medicine Specialist at our North City primary care office. She earned her Doctor of Medicine degree from Washington University School of Medicine. Dr. Williams is excited to get to know you and provide the personalized care you deserve. Our primary care providers ...Click to read more
Urgent Care Clinic
4.42
·26 reviewsIn-network · Medicare
Accepting new patients ·
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A visit to one of our centers in Missouri puts you in the hands of highly credentialed providers who attend to your immediate needs-and connects you with the resources of our top local health system partner, Mercy, ensuring you receive the care you need today and in the future. Save your spot online...Click to read more
Urgent Care Clinic
4.85
·48 reviews
I arrived earlier than my scheduled time, but they still took me right into a room. My time of arrival to being seen by the doctor and then leaving the clinic was about 30 minutes. My only complaint was that the front desk receptionist was not friendly. I don't think she ever once made eye contact w...Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
A visit to one of our centers in Missouri puts you in the hands of highly credentialed providers who attend to your immediate needs-and opens the door to the resources of our top local health system partner, Mercy, ensuring you get the care you need today and tomorrow.Click to read more
Family Nurse Practitioner
In-network · Medicare
Accepting new patients · Expertise in acute sinusitis ·
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Erin B. Alcazar is a Family Medicine Specialist at our State Street primary care office. She holds a Master's in Nursing from Saint Louis University and is excited to get to know you and provide the personalized care you deserve. Erin and our dedicated primary care team develop preventive care plans...Click to read more
Primary Care Doctor
5.00
·31 reviews
Best Doctor I’ve ever had. I couldn’t recommend a better doctor or place. Whole experience was great - Oct 15, 2025 by Michael T.Click to read more
In-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in high cholesterol + 9 more
Primary Care Doctor
4.76
·33 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in chronic diabetes + 4 more
Primary Care Doctor
4.92
·36 reviews
Great ! - Dec 25, 2025 by Mariette B.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic diabetes + 1 more
Primary Care Doctor
5.00
·35 reviews
Every one was super nice. The doctor was great. - Mar 16, 2026 by Ronald U.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic high blood pressure + 3 more
Primary Care Doctor
4.88
·32 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in insomnia + 4 more
Primary Care Doctor
4.75
·32 reviews
The provider was rushed and seemed dismissive of my discussion on my future treatment. The office staff and nurse are what raised the rating to a 3.Click to read more
In-network · Medicare
Accepting new patients · 23 years of experience · Highly recommended · Excellent wait timeExpertise in chronic diabetes + 6 more
Primary Care Doctor
4.66
·35 reviews
Very good experience with everyone. One miner thing is the doctor needs to speak a little slower - Dec 24, 2025 by Kenneth D.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
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As a family medicine physician, Dr. Gregario Climaco loves connecting with his patients and working together to improve their health. He has special interests in preventative medicine and helping his patients with weight loss, anxiety/depression, blood pressure and diabetes. A Mascoutah native, he e...Click to read more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 23 years of experience · Highly recommended
Primary Care Doctor
4.64
·33 reviews
NA - Jan 20, 2026 by Julius B.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic diabetes + 9 more
Primary Care Doctor
4.87
·31 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in acute sinusitis + 9 more
Primary Care Doctor
4.91
·34 reviews
Staff was all really nice. Treadway listened and referred me where I needed to go. - Feb 13, 2026 by Melina H.Click to read more
In-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait timeExpertise in underactive thyroid + 6 more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommendedExpertise in chronic diabetes + 6 more
Family Nurse Practitioner
4.75
·32 reviews
- Feb 11, 2026 by Julian J.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic diabetes
Adult Nurse Practitioner
4.60
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in chronic diabetes + 3 more
Family Nurse Practitioner
4.74
·31 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in chronic diabetes ·
Read bio
I love working in primary care and being able to care for patients of all ages. Taking care of my patients as a whole, keeping my patients healthy and keeping them up to date on their preventative health care is my priority.Click to read more
Family Physician
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in underactive thyroid + 9 more
Family Nurse Practitioner
4.94
·34 reviews
Amy was easy to talk to and was very understanding of my concerns. - May 12, 2026 by Twana D.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in insomnia + 4 more
Physician Assistant
5.00
·31 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Expertise in diabetic emergency + 2 more ·
Read bio
The provider is currently practicing under the supervision of James Jablonski MD who is a specialist in Family Physician.Click to read more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in insomnia + 9 more
Primary Care Doctor
5.00
·31 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in lower back pain + 9 more
Primary Care Doctor
4.97
·31 reviewsIn-network · Medicare
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait timeExpertise in underactive thyroid + 9 more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in upper respiratory infection (uri) + 3 more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in acute sinusitis + 5 more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommendedExpertise in diabetic emergency + 9 more
Primary Care Doctor
4.65
·34 reviews
I feel very comfortable with Doctor Hutcherson being my primary care physician. - Mar 20, 2026 by Charles S.Click to read more
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic diabetes + 9 more
Primary Care Doctor
4.97
·31 reviewsIn-network · Medicare
Accepting new patients · 17 years of experience · Highly recommended · Excellent wait timeExpertise in underactive thyroid + 9 more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommended
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in heart failure + 9 more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommendedExpertise in underactive thyroid + 9 more
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommended
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 15 years of experience · Highly recommendedExpertise in rash + 9 more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended
Family Nurse Practitioner
In-network · Medicare
Accepting new patients
Physician Assistant
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Expertise in acute sinusitis + 8 more ·
Read bio
The provider is currently practicing under the supervision of Brian Klostermann MD who is a specialist in Family Physician.
My promise is to provide patient-first care.Click to read more
Physician Assistant
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Expertise in lower back pain + 5 more ·
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The provider is currently practicing under the supervision of Arnel Garcia MD who is a specialist in Family Physician.
My promise is to provide patient-first care.Click to read more
Pediatrician
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 20 years of experience · Highly recommended
Family Nurse Practitioner
In-network · Medicare
Accepting new patients ·
Read bio
Katlyn Hilmes, APRN, FNP-C, is a board-certified family nurse practitioner who provides compassionate, personalized care to patients of all ages. With a background in emergency medicine and rural health, she brings more than a decade of nursing experience to her role. As a provider, Hilmes is known ...Click to read more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended
Primary Care Doctor
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommendedExpertise in lower back pain + 9 more
Urgent Care Clinic
In-network · Medicare
Accepting new patients ·
Read bio
We believe the focus belongs on the patient. At HSHS Medical Group, our goal is to support our physicians and health professionals in providing patient-first care.Click to read more
Family Nurse Practitioner
4.73
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in acute sinusitis + 3 more
Family Nurse Practitioner
4.93
·30 reviewsIn-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommendedExpertise in high cholesterol + 9 more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in lower back pain + 1 more
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommendedExpertise in chronic diabetes
Family Nurse Practitioner
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended ·
Read bio
Krista Hamilton, APRN, chose family medicine because she enjoys partnering with people of all ages and stages in life to help them live healthier lives. She previously worked as a surgical medical nurse and has a background in education, most recently as Assistant Professor of Nursing at St. John’s ...Click to read more
Physician Assistant
5.00
·30 reviewsIn-network · Medicare
Accepting new patients · Highly recommended ·
Read bio
The provider is currently practicing under the supervision of Brian Klostermann MD who is a specialist in Family Physician.Click to read more
Family Nurse Practitioner
5.00
·31 reviewsIn-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in bronchitis + 9 more
1-3 days
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How can I make a same-day appointment with a Primary Care Doctor in O'Fallon who takes Medicare insurance?
On average, patients who use Zocdoc can search for a Primary Care Doctor in O'Fallon who takes Medicare insurance, book an appointment, and see the Primary Care Doctor within 24 hours. Same-day appointments are often available, you can search for real-time availability of Doctors in O'Fallon who accept Medicare insurance and make an appointment online.
How can I find a Primary Care Doctor in O'Fallon who takes Medicare?
Zocdoc lets you search specifically for a Primary Care Doctor in O'Fallon who takes Medicare. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.
How can I book an appointment online with a Medicare Primary Care Doctor in O'Fallon?
Zocdoc is a free online service that helps patients find Medicare Doctors in O'Fallon and book appointments instantly. You can search for Medicare Doctors in O'Fallon by symptom or visit reason. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.
How can I find a female Primary Care Doctor in O'Fallon who takes Medicare insurance?
When you search for Medicare Doctors in O'Fallon on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Medicare Doctors in O'Fallon who match your preferences.
How can I find a Medicare Primary Care Doctor in O'Fallon who sees patients after hours?
On Zocdoc, you can search specifically for Medicare Doctors in O'Fallon with availability after 5 p.m.
How can I find a top-rated Medicare Primary Care Doctor in O'Fallon?
You can use Zocdoc to find Medicare Doctors in O'Fallon who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.
How can I find a video visit with a Primary Care Doctor online in O'Fallon?
Doctors in O'Fallon on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Doctors who offer video visits.
Are video visits with a Primary Care Doctor online covered by Medicare?
Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Doctors in O'Fallon who accept Medicare for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.
How can I find a Medicare Primary Care Doctor in O'Fallon who sees patients in the morning or evening?
Zocdoc lets you search specifically for a Primary Care Doctor who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.
How can I find a Medicare Primary Care Doctor in O'Fallon who sees patients during the weekend?
Zocdoc let's you see real-time availability for Medicare Doctors in O'Fallon. Many Medicare Doctors offer appointments on Saturdays and Sundays.