Dr. Alyssa L. Keller
- Gender: Female
- Experience: 12 years
- Graduated from: University Of Missouri, Columbia School Of Medicine
- Graduation year: 2009
- Sole propriator: No
- NPI: 1588892665
Dr. Alyssa L. Keller M.D.
Family Physician
She is located at 300 Winding Woods Drive Suite 222 in O Fallon, MO 63366. Can help patients with the following: Arthritis, Birth Control Counseling, Hyperlipidemia, Hypothyroidism, Prenatal Care, Prescription Refill. Her National Provider Identifier (NPI) number is 1588892665. Appointment can be made via the phone number (636) 978-8600. She is affiliated with 1 hospitals.
Conditions treated
Dr. Alyssa Leigh Keller, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Alyssa L. Keller.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Alyssa L. Keller as in-network for the following 2026 plans.
Health plans
Anthem Blue Cross and Blue Shield
Network data as of Mar 26, 2026, as reported by the insurer.
Show all 10 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Catastrophic Pathway (+ Incentives) | EPO · Catastrophic | Participating | Accepting new patients at some locations |
| Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Gold | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Expanded Bronze | Participating | Accepting new patients at some locations |
| Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients at some locations |
| Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) | EPO · Silver | Participating | Accepting new patients at some locations |
Medica
Network data as of Jul 13, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Balance by Medica Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Bronze Premier | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Alyssa L. Keller is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Alyssa L. Keller is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: Mercy Clinic East Communities
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $997 |
| Novo Nordisk | $721 |
| Janssen | $713 |
Other
| Food and Beverage | $5557 |
Studies
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated in 2009
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Questions & Answers
Has Dr. Alyssa Leigh Keller affiliation with hospitals?
Dr. Alyssa Leigh Keller is affiliated with MERCY HOSPITAL ST LOUIS.
Where can you meet with Dr. Alyssa Leigh Keller?
Dr. Alyssa Leigh Keller's office is located at 300 Winding Woods Drive Suite 222 in O Fallon, MO 63366.
Does Dr. Alyssa Leigh Keller accept insurance?
Dr. Alyssa Leigh Keller is listed in-network for 19 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Medica. See the Marketplace plans section for details.
What conditions does Dr. Alyssa Leigh Keller treat?
Dr. Alyssa Leigh Keller provides treatment for Arthritis, Birth Control Counseling, Hyperlipidemia, Hypothyroidism, Prenatal Care, Prescription Refill. For the full list see this list.