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 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. John Zalewski, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 919-2500 Dr. Jonah Graves, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 747-3000 Dr. Jonathan Buck, MD, MPHSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 577-8762 Dr. Jonathan Byrd, MDSaint Louis, MO · No drug or device payments recorded (2025) · Telehealth ·
(314) 333-4100 Dr. Jonathan Grabe, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(202) 340-4800 Dr. Jonathan Hayes, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 768-8000 Dr. Jose Baeza, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 577-8762 Dr. Joseph Boyer, D.O.Saint Louis, MO · $48 in drug and device payments (2025) ·
(314) 525-1328 Dr. Joseph Gung, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 262-5411 Dr. Joseph Kinsella, DOSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 509-5305 Dr. Joseph Markey, M.D.Saint Louis, MO · $37 in drug and device payments (2025) ·
(314) 353-5190 Dr. Joseph Wood, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 543-5984 Dr. Joshua Binek, M.D.Saint Louis, MO · $2,032 in drug and device payments (2025) · Telehealth ·
(314) 251-5746 Dr. Joshua Mayer, D.O.Saint Louis, MO · $54 in drug and device payments (2025) ·
(314) 257-8000 Dr. Joyce Xu, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 323-8977 Dr. Jude Onaghise, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 317-0600 Dr. Judith Dibble Kiske, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 996-7930 Dr. Julia Araneta, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 362-8065 Dr. Julia Fleecs, MDSaint Louis, MO · $24 in drug and device payments (2025) ·
(314) 362-8065 Dr. Julie Fultz, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 961-3570 Dr. Junu Bae, MD, PHDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 362-8065 Dr. Justin Huynh, M.D.Saint Louis, MO · $42 in drug and device payments (2025) · Telehealth ·
(314) 843-7557 Dr. Justin Parmely, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 747-3000 Dr. Justin Starke, M.D.Saint Louis, MO · $437 in drug and device payments (2025) · Telehealth ·
(314) 251-6930 Dr. Jyotsna Reddy, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 251-6339 Dr. Kamal Demetry, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 742-6000 Dr. Kamlesh Vyas, M.D,.Saint Louis, MO · $1,702 in drug and device payments (2025) ·
(314) 881-0300 Dr. Karam Khdeer, DOSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 509-5305 Dr. Karan SachdevaSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 257-8000 Dr. Kara Nuspl, DOSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 251-6339 Dr. Karen Austin, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 251-6339 Dr. Karen Webb, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 577-8008 Dr. Karen Winters, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 362-5060 Dr. Karl Sonntag, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 768-8373 Dr. Karl Wallenkampf, MDSaint Louis, MO · $75 in drug and device payments (2025) ·
(314) 747-3000 Dr. Kashif Shaikh, M.DSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 482-1680 Dr. Katepalle Moorthy, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 317-0600 Dr. Katherine Garland, M.D.Saint Louis, MO · No drug or device payments recorded (2025) · Telehealth ·
(314) 996-4545 Dr. Katherine Li, MDSaint Louis, MO · $24 in drug and device payments (2025) ·
(314) 362-8065 Dr. Kathleen Brunts, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 645-3743 Dr. Kathleen Cizek, M.D.Saint Louis, MO · $532 in drug and device payments (2025) · Telehealth ·
(314) 843-7333 Dr. Kathleen Garcia, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 251-4652 Dr. Kathryn Henderson, M.D.Saint Louis, MO · $741 in drug and device payments (2025) ·
(314) 843-7333 Dr. Kathryn Shoemaker, MDSaint Louis, MO · $32 in drug and device payments (2025) ·
(314) 372-3420 Dr. Keauna Hilton, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 362-8065 Dr. Keegan Christensen, MDSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 368-2503 Dr. Kehinde Hambolu, MD, MPHSaint Louis, MO · No drug or device payments recorded (2025) ·
(314) 317-0600 Dr. Keith Starke, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 251-6800 Dr. Kelly Ludwig, M.D.Saint Louis, MO · No drug or device payments recorded (2025) ·
(314) 525-1328 Dr. Kelsey Moon, M.D.Saint Louis, MO · $124 in drug and device payments (2025) ·
(314) 996-7520 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
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.
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