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Trauma Surgeons in Missouri

Data updated monthly · Last refresh October 2026

32 Trauma Surgery providers practice in Missouri. 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.

32providers
Saint Louistop city

Trauma Surgery by city in Missouri

Choose a city to see providers there.

Trauma Surgery in Saint Louis11 providers
Trauma Surgery in Kansas City7 providers
Trauma Surgery in North Kansas City5 providers
Trauma Surgery in Springfield4 providers
Trauma Surgery in St Louis1 providers
Trauma Surgery in Ballwin1 providers
Trauma Surgery in Bridgeton1 providers
Trauma Surgery in Saint Charles1 providers
Trauma Surgery in Columbia1 providers

Where Trauma Surgeons in Missouri practice

From CMS Medicare enrollment records covering 22 of the 32 providers listed here (69%). Providers who do not bill Medicare are not included in these figures.

5%solo or small practice (under 10 clinicians)
23%mid-size group (10 to 99)
73%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Trauma SurgeonsAll clinicians in groupMain city
Ssm Health Care Group4929Saint Louis
Meritas Health Corp.oration4492North Kansas City
Mercy Clinic Trauma and General Surgery LLC344Saint Louis
Washington University22,968Saint Louis
Mercy Clinic Springfield Communities21,121Springfield

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingTrauma Surgeons affiliated
Mercy Hospital St LouisSaint LouisNonprofit4 of 54
Ssm Health Saint Louis University HospitalSaint LouisNonprofit1 of 54
Nkc HealthNorth Kansas CityGovernment4 of 54
Barnes Jewish HospitalSaint LouisNonprofit4 of 52
Cox Medical CentersSpringfieldNonprofit3 of 52

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Trauma Surgery 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. Manuel Castasus
Ballwin, MO · No drug or device payments recorded (2025) · (636) 841-9271
Dr. Richard Roettger, M.D.
Bridgeton, MO · No drug or device payments recorded (2025) · (314) 770-0991
Dr. Steven Allen, MD
Columbia, MO · $18 in drug and device payments (2025) · (573) 884-6098
Dr. Bryan Troop, MD
Kansas City, MO · No drug or device payments recorded (2025) · (816) 932-2836
Dr. John Chipko, M.D.
Kansas City, MO · $183 in drug and device payments (2025) · (816) 235-3932
Dr. John Webb, MD
Kansas City, MO · $68 in drug and device payments (2025) · (816) 276-9100
Dr. Lisa Toelle, MD
Kansas City, MO · $173 in drug and device payments (2025) · (414) 510-3248
Dr. Pascal Nyachowe, M.D.
Kansas City, MO · $93 in drug and device payments (2025) · (816) 932-2836
Dr. Patrick Mcgregor, MD
Kansas City, MO · $636 in drug and device payments (2025) · (816) 436-7072
Dr. Steven Glorsky, MD
Kansas City, MO · No drug or device payments recorded (2025) · (816) 404-1000
Dr. Frank Werner, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 453-4000
Dr. Gregory Eason, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 453-4000
Dr. Jeffrey Simpson, MD
North Kansas City, MO · $126 in drug and device payments (2025) · (816) 453-4000
Dr. Jon Gengler, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 453-4000
Dr. Thomas Reardon, MD
North Kansas City, MO · No drug or device payments recorded (2025) · (816) 453-4000
Dr. Jennifer Laplante, MD, PHD
Saint Charles, MO · $607 in drug and device payments (2025) · (636) 669-2332
Dr. Abbie Jensen, M.D.
Saint Louis, MO · $109 in drug and device payments (2025) · (314) 251-6440
Dr. Ashly Ruf, MD
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 362-5298
Dr. Jane Tenquist, MD
Saint Louis, MO · $233 in drug and device payments (2025) · (314) 977-4440
Dr. Kevin Mahoney, MD
Saint Louis, MO · $75 in drug and device payments (2025) · (314) 977-4440
Dr. Kulsoom Gunn, MD
Saint Louis, MO · $260 in drug and device payments (2025) · (314) 251-6440
Dr. Nicholas Rottler, M.D.
Saint Louis, MO · $232 in drug and device payments (2025) · (314) 397-0991
Dr. Obeid Ilahi, MD
Saint Louis, MO · $141 in drug and device payments (2025) · (314) 362-5298
Dr. Rachel Cohen, DO
Saint Louis, MO · $298 in drug and device payments (2025) · (314) 251-6440
Dr. Rembrandt Vandruff, MD
Saint Louis, MO · $190 in drug and device payments (2025) · (314) 362-5298
Dr. Sara Larson
Saint Louis, MO · No drug or device payments recorded (2025) · (314) 257-8000
Dr. Stanley Sakabu, M.D.
Saint Louis, MO · $498 in drug and device payments (2025) · (314) 251-6440
Dr. Joshua Mcelderry, M.D.
Springfield, MO · $6,851 in drug and device payments (2025) · (417) 875-3000
Dr. Katherine Foerster, MD
Springfield, MO · $2,240 in drug and device payments (2025) · (417) 820-7250
Dr. Mark Nicolas
Springfield, MO · No drug or device payments recorded (2025) · (417) 875-3000
Dr. Robert Johnson, MD
Springfield, MO · $1,301 in drug and device payments (2025) · (417) 820-7250
Dr. Ann Peick, M.D.
St Louis, MO · No drug or device payments recorded (2025) · (314) 251-6440

Common questions

How many Trauma Surgery providers are in Missouri?

There are 32 Trauma Surgery providers with active NPI records practicing in Missouri, according to federal NPPES data refreshed monthly.

Which cities in Missouri have the most Trauma Surgery providers?

Saint Louis (11), Kansas City (7), North Kansas City (5) have the highest concentration of Trauma Surgery providers in Missouri.

How many Trauma Surgery providers in Missouri received drug or device company payments?

20 of 32 Trauma Surgery providers in Missouri (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Trauma Surgeons in Missouri work in independent practices or large health systems?

Among 22 Trauma Surgeons in Missouri enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 23% through a mid-size group of 10 to 99, and 73% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Trauma Surgeons in Missouri work at?

According to CMS facility affiliation records, the Missouri hospitals where the most Trauma Surgeons hold privileges are Mercy Hospital St Louis in Saint Louis; Ssm Health Saint Louis University Hospital in Saint Louis; Nkc Health in North Kansas City.

Trauma Surgery in all 50 states Search all 32 in the directory Ask Zach for help choosing

Related

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 Trauma Surgery in Missouri? Get featured.