Alyssa Leigh Keller, M.D.
Alyssa Leigh Keller is a Family Medicine specialist based in O Fallon, MO with over 17 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Alyssa Leigh Keller, M.D. has been part of the O Fallon medical community since 2009 in group practice. She graduated from University of Missouri, Columbia School of Medicine in 2009 and has 17+ years of clinical experience. Among her Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 28% of reporting doctors in Missouri
- Virtual visits available — no app or travel required
Older · 5075dNPPES updated 2012-06-30 · verify NPI on CMS · Verify license at Missouri Board of Registration for the Healing Arts
Contact & Location
Practice Location
300 Winding Woods Dr Suite 222, O Fallon, MO 63366-4771
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better2.69%
Missouri avg: 4.4 · US avg: 5.1
✓ Higher than most doctors nationally(-2.4 pts)
2.69% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
115
Unique beneficiaries
Standard volumePrescription Recipients
252
Patients prescribed
Prescriptions Written
3,014
Total claims
Total Medicare drug cost: $168k
Percentile rankings compared against 912 reporting peers in Missouri.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+1%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-7%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-10%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-2%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-4%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-11%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-14%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$792 received from industry
44 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Alyssa Leigh Keller's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2009
University of Missouri, Columbia School of Medicine
17 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
University of Missouri, Columbia School of Medicine (Class of 2009)
Virtual Family Medicine Care With Alyssa Leigh Keller
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Alyssa Leigh Keller for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to O Fallon required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Alyssa Leigh Keller
Dr. Keller is listed as active in the NPI registry with telehealth listed in O Fallon, MO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (636) 978-8600.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Alyssa Leigh Keller
Practice Location
300 Winding Woods Dr Suite 222, O Fallon, MO 63366-4771
Mailing Address
300 Winding Woods Dr Suite 222, O Fallon, MO 63366-4771
This is a provider directory. Contact the office directly to schedule appointments.
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