Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ryan Lee Kroeger, DO

Individual provider Internal Medicine Physician · NPI 1801150784

Ryan Lee Kroeger, DO is an Internal Medicine in St. Louis, Missouri. Qualified in 2012, 14 years ago. Practices with Mercy Clinic Adult Hospitalists - St Louis, LLC, a 141-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
14
Licensed in
MO
In the registry since
2012
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

615 S New Ballas Mercy Hospital Internal Medicine Dept
St. Louis, MO 63141-8277
Phone: (314) 251-5834
Fax: (314) 251-4454
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2014002055 (MO)

Record details

NPI number1801150784
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 26, 2012
Last updated in NPPESFebruary 25, 2014
Mailing address615 S New Ballas, Mercy Hospital Internal Medicine Department, St. Louis, MO 63141-8277

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Mercy Clinic Adult Hospitalists - St. Louis, Llc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in St. Louis