Thomas A Tyree, M.D.
With over 38 years in internal medicine, Thomas a Tyree, M.D. is a long-established internist in Saint Charles. He graduated from St. Louis College of Physicians and Surgeons in 1988 and has 38+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Prescribes opioids less than 21% of reporting doctors in Missouri
- Uses generic medications more than 70% of reporting doctors in Missouri
- Virtual visits available — no app or travel required
Older · 1997dNPPES updated 2020-11-16 · verify on CMS
Contact & Location
Practice Location
1475 Kisker Rd Suite 200, Saint Charles, MO 63304-8781
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better4.53%
Missouri avg: 4.4 · US avg: 5.1
✓ Higher than most doctors nationally(-0.6 pts)
4.53% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better90.6%
Missouri avg: 83.4 · US avg: 82.8
✓ Higher than most doctors nationally(+7.8 pts)
Better than 70% of reporting doctors in MissouriHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
323
Unique beneficiaries
Standard volumePrescription Recipients
1,049
Patients prescribed
Prescriptions Written
13,234
Total claims
Total Medicare drug cost: $805k
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 Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-8%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-5%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ 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 (-14%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$439 received from industry
4 transactions reported in 2024 ·Low 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 Thomas a Tyree's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
St. Louis College of Physicians and Surgeons
Board certified · Nov 15, 2020
CMS-verified certification date
38 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
St. Louis College of Physicians and Surgeons (Class of 1988)
Mailing address
Po Box 955534, Saint Louis, MO 63195-0001
Differs from practice location
Virtual Internal Medicine Care With Thomas a Tyree
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Thomas a Tyree for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Saint Charles 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 Thomas a Tyree
NPI records show Dr. Tyree as active with telehealth listed in Saint Charles, MO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (636) 498-5850.
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 Thomas a Tyree
Practice Location
1475 Kisker Rd Suite 200, Saint Charles, MO 63304-8781
Mailing Address
Po Box 955534, Saint Louis, MO 63195-0001
This is a provider directory. Contact the office directly to schedule appointments.
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