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Internal Medicine Doctors in Missouri

Data updated monthly · Last refresh October 2026

2,585 Internal Medicine providers practice in Missouri, including 295 (11%) offering telehealth. The largest concentration is in Saint Louis. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

2,585providers
295telehealth
Saint Louistop city

Internal Medicine by city in Missouri

Choose a city to see providers there.

Internal Medicine in Saint Louis932 providers
Internal Medicine in Kansas City241 providers
Internal Medicine in Columbia210 providers
Internal Medicine in Chesterfield142 providers
Internal Medicine in Springfield136 providers
Internal Medicine in St Louis55 providers
Internal Medicine in Joplin53 providers
Internal Medicine in Cape Girardeau52 providers
Internal Medicine in Poplar Bluff38 providers
Internal Medicine in Saint Charles36 providers
Internal Medicine in Saint Joseph34 providers
Internal Medicine in Bridgeton30 providers
Internal Medicine in Independence29 providers
Internal Medicine in Florissant27 providers
Internal Medicine in North Kansas City25 providers
Internal Medicine in Washington25 providers
Internal Medicine in Lees Summit24 providers
Internal Medicine in Kirksville24 providers
Internal Medicine in Hannibal21 providers
Internal Medicine in Festus18 providers
Internal Medicine in O Fallon17 providers
Internal Medicine in Jefferson City16 providers
Internal Medicine in Liberty15 providers
Internal Medicine in Farmington15 providers

Internal Medicine providers in Missouri

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. David Donnelly, DO
North Kansas City, MO · $150 in drug and device payments (2025) · (877) 840-6992
Dr. Haritha Singireddy, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 455-0681
Dr. James Stewart, M.D.
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 691-2000
Dr. James Stoddard, DO
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Jessica Upchurch, M.D.
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 455-0681
Dr. Joseph Palazola, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Justin Dastrup, DO
North Kansas City, MO · No drug or device payments recorded (2025) · (877) 840-6992
Dr. Kenneth Mann, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Lancer Gates, D.O.
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 968-9320
Dr. Mark Gordon, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Mathew Strasser, DO
North Kansas City, MO · $416 in drug and device payments (2025) · Telehealth · (816) 421-4240
Dr. Michael Raybould, MD
North Kansas City, MO · $339 in drug and device payments (2025) · (816) 421-4240
Dr. Nicholas Szilagye, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Roman Enriquez, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Samin Akhtar, MD
North Kansas City, MO · $731 in drug and device payments (2025) · (816) 421-4240
Dr. Thaddeus Bownik, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 691-5400
Dr. Thomas Labruzzo, DO
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 421-4240
Dr. Varaporn Treemaneekarn, D.O.
North Kansas City, MO · $159 in drug and device payments (2025) · (816) 421-4240
Dr. Aaron Steimel, DO
O Fallon, MO · $82 in drug and device payments (2025) · (636) 344-2400
Dr. Alan Steube, DO
O Fallon, MO · $509 in drug and device payments (2025) · Telehealth · (636) 755-4400
Dr. Amy Davis, M.D.
O Fallon, MO · No drug or device payments recorded (2025) · (636) 281-4410
Dr. Brian Grus, MD
O Fallon, MO · No drug or device payments recorded (2025) · Telehealth · (636) 344-2400
Dr. Daniela Blum Morales, MD
O Fallon, MO · $221 in drug and device payments (2025) · Telehealth · (636) 755-4400
Dr. Gary Gray, MD
O Fallon, MO · $218 in drug and device payments (2025) · (636) 695-2575
Dr. Geraldine Ryan, M.D.
O Fallon, MO · $586 in drug and device payments (2025) · Telehealth · (636) 561-5999
Dr. Gregory Genova, M.D.
O Fallon, MO · No drug or device payments recorded (2025) · (636) 685-7724
Dr. Jamie Tueth, D.O.
O Fallon, MO · No drug or device payments recorded (2025) · Telehealth · (636) 344-2400
Dr. Jyotirmaya Nanda, M.D.
O Fallon, MO · No drug or device payments recorded (2025) · (636) 379-8138
Dr. Kent Alexander Cassmeyer, MD
O Fallon, MO · $658 in drug and device payments (2025) · Telehealth · (636) 614-3289
Dr. Kevin Weikart, M.D.
O Fallon, MO · $2,878 in drug and device payments (2025) · (636) 294-5900
Dr. Kevin Yin
O Fallon, MO · $165 in drug and device payments (2025) · (636) 561-5999
Dr. Matthew Meier
O Fallon, MO · $1,179 in drug and device payments (2025) · (636) 294-5757
Dr. Nadia Zia, MD
O Fallon, MO · $23 in drug and device payments (2025) · (314) 317-0600
Dr. Naman Ghazal-albar, MD
O Fallon, MO · $796 in drug and device payments (2025) · (636) 200-3811
Dr. Rajiv Sadana, MD
O'fallon, MO · No drug or device payments recorded (2025) · (314) 289-7676
Dr. Ayesha Bashir, M.D.
Osage Beach, MO · No drug or device payments recorded (2025) · (573) 302-3960
Dr. Jacqueline Santamarina, MD
Osage Beach, MO · $20 in drug and device payments (2025) · (573) 348-8000
Dr. Joshua Brickner, D.O.
Osage Beach, MO · No drug or device payments recorded (2025) · (573) 302-2287
Dr. Parker Russell, MD
Osage Beach, MO · No drug or device payments recorded (2025) · (573) 348-8000
Dr. Wendy Schmitz, MD
Osage Beach, MO · No drug or device payments recorded (2025) · (573) 348-8000
Dr. Matthew Wilkinson, M.D.
Overland, MO · $15 in drug and device payments (2025) · (314) 449-9633
Dr. Michael Spearman, M.D.
Overland, MO · $26 in drug and device payments (2025) · (913) 224-2112
Dr. Huma Tariq, MD
Ozark, MO · No drug or device payments recorded (2025) · (417) 581-3548
Dr. Steven Daugherty, MD
Ozark, MO · No drug or device payments recorded (2025) · (417) 581-4027
Dr. Susan Duke, DO
Ozark, MO · $17 in drug and device payments (2025) · (214) 326-7743
Dr. Dominic Haertling, MD
Perryville, MO · $1,063 in drug and device payments (2025) · (573) 768-3449
Dr. Sandeep Rao, M.D.
Perryville, MO · $19 in drug and device payments (2025) · (573) 768-3239
Dr. Ian Pelletier, DO
Pilot Knob, MO · $453 in drug and device payments (2025) · (573) 546-0602
Dr. Laeeq Tahirkheli, MD
Plattsburg, MO · $1,020 in drug and device payments (2025) · (816) 930-2041
Dr. Adam Richter, DO
Poplar Bluff, MO · $47 in drug and device payments (2025) · (573) 776-2000

Conditions Internal Medicine providers in Missouri commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Internal Medicine providers are in Missouri?

There are 2,585 Internal Medicine providers with active NPI records practicing in Missouri, according to federal NPPES data refreshed monthly.

Do Internal Medicine providers in Missouri offer telehealth?

Yes. 295 of the 2,585 Internal Medicine providers in Missouri (about 11%) report offering telehealth services in CMS data.

Which cities in Missouri have the most Internal Medicine providers?

Saint Louis (932), Kansas City (241), Columbia (210) have the highest concentration of Internal Medicine providers in Missouri.

How many Internal Medicine providers in Missouri received drug or device company payments?

966 of 2,585 Internal Medicine providers in Missouri (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Missouri treat?

Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Internal Medicine Doctors in Missouri work in independent practices or large health systems?

Among 1,255 Internal Medicine Doctors in Missouri enrolled in Medicare, 11% bill through a solo or small practice with fewer than 10 clinicians, 16% through a mid-size group of 10 to 99, and 74% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Internal Medicine Doctors in Missouri work at?

According to CMS facility affiliation records, the Missouri hospitals where the most Internal Medicine Doctors hold privileges are Mercy Hospital St Louis in Saint Louis; Missouri Baptist Medical Center in Saint Louis; Mercy Hospital South in Saint Louis.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Internal Medicine in Missouri? Get featured.