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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. Faridah Salau, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 362-8065
Dr. Gary Ratkin, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 977-1250
Dr. Irvianny Madera, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 362-9096
Dr. Jambunathan Mahadevan, MD
St Louis, MO · $325 in drug and device payments (2025) · (314) 865-6585
Dr. James Purtell, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 849-6850
Dr. Jennifer Delaney, MD
St Louis, MO · $161 in drug and device payments (2025) · (314) 993-1200
Dr. John Flick, D.O.
St Louis, MO · $39 in drug and device payments (2025) · Telehealth · (314) 569-6000
Dr. Joseph Flaherty, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 977-8462
Dr. Laila Hanna, MD
St Louis, MO · $112 in drug and device payments (2025) · (314) 367-5820
Dr. Lekha Chirala, MS, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 362-8065
Dr. Masood Khan, M.D.
St Louis, MO · No drug or device payments recorded (2025) · (314) 768-8778
Dr. Naga Neelima Nallapaneni, M.D
St Louis, MO · No drug or device payments recorded (2025) · (314) 898-1700
Dr. Nicholas Griffith, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 747-1080
Dr. Nicole Delsoin Pierre, MD MPH
St Louis, MO · No drug or device payments recorded (2025) · (314) 367-5820
Dr. Patrick Durbin, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 644-7000
Dr. Patrick Mccann, MD
St Louis, MO · $187 in drug and device payments (2025) · (314) 832-3000
Dr. Rick Hummel, MD
St Louis, MO · $2,357 in drug and device payments (2025) · (314) 741-1400
Dr. Seema Najam, MD
St Louis, MO · No drug or device payments recorded (2025) · (314) 653-8500
Dr. Vrinda Mahajan, M.D.
St Louis, MO · $888 in drug and device payments (2025) · Telehealth · (314) 768-8000
Dr. Alexandra Zdonczyk, MD
St. Louis, MO · $16 in drug and device payments (2025) · (314) 362-1935
Dr. Alex Geyer, MD
St. Louis, MO · $25 in drug and device payments (2025) · (314) 747-3000
Dr. Badreddien Hammad, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 768-8778
Dr. Bhavana Choudhary, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 251-6339
Dr. Binu Mathew, MD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 251-6339
Dr. David Zhang, MD, PHD
St. Louis, MO · $57 in drug and device payments (2025) · (314) 747-3000
Dr. Francis Contreras, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 768-8778
Dr. Hinna Shahid, MD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 647-9797
Dr. John Davis, MD PHD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 747-3000
Dr. Joseph Pierchorowicz, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 768-8778
Dr. Joshua Newman, MD
St. Louis, MO · $20,000 in drug and device payments (2025) · (314) 362-5000
Dr. Karoliina Yang, MD
St. Louis, MO · No drug or device payments recorded (2025) · (318) 368-8539
Dr. Kavita Patwardhan, MD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 368-6979
Dr. Kelly Gage, M.D.
St. Louis, MO · $19 in drug and device payments (2025) · Telehealth · (314) 698-2500
Dr. Kelsey Seger, DO
St. Louis, MO · No drug or device payments recorded (2025) · Telehealth · (314) 509-5305
Dr. Lawrence Narkiewicz, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 698-2500
Dr. Leni Abraham, MD
St. Louis, MO · $565 in drug and device payments (2025) · (314) 268-7992
Dr. Maya Mahmoud, M.D.
St. Louis, MO · $481 in drug and device payments (2025) · (314) 977-2622
Dr. Micaela Mackay, MD
St. Louis, MO · $140 in drug and device payments (2025) · (314) 369-2511
Dr. Mohammad Qadir, MD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 652-4100
Dr. Morris Joftus, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 367-7848
Dr. Nillima Ghosh, DO
St. Louis, MO · No drug or device payments recorded (2025) · (314) 367-7848
Dr. Peter Bettonville, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 698-2500
Dr. Robert Fischer, M.D.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 698-2500
Dr. Rosemary Quinn, MD
St. Louis, MO · No drug or device payments recorded (2025) · (314) 362-1935
Dr. Ryan Kroeger, D.O.
St. Louis, MO · No drug or device payments recorded (2025) · (314) 251-5834
Dr. Sivaram Muppaneni, M.D
St. Louis, MO · $36 in drug and device payments (2025) · (314) 768-8778
Dr. Vanessa Eulo, M.D.
St. Louis, MO · $214 in drug and device payments (2025) · Telehealth · (314) 362-5000
Dr. Akriti Acharya, M.D.
St.louis, MO · No drug or device payments recorded (2025) · (314) 768-8778
Dr. Brian Stufflebam, M.D.
St Peters, MO · No drug or device payments recorded (2025) · (636) 441-4660
Dr. Felipe Orellana, MD
St Peters, MO · No drug or device payments recorded (2025) · (314) 317-0600

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.