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

Aaron E Ratliff, MD

Individual provider Internal Medicine Physician · NPI 1538805213

Aaron E Ratliff, MD is an Internal Medicine in Milwaukee, Wisconsin. Graduated from Ohio State University College of Medicine in 2019, 7 years ago. Practices with Ascension Medical Group-Southeast Wisconsin Inc, a 555-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
7
Trained at
Ohio State University College of Medicine
Licensed in
WI
In the registry since
2022
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5000 W Chambers St
Milwaukee, WI 53210-1650
Phone: (414) 447-2000
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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 86256-20 (WI)
Hospitalist Physician Taxonomy 208M00000X · Licence 86256-20 (WI)

Record details

NPI number1538805213
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 6, 2022
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Ascension Medical Group-Southeast Wisconsin Inc — 555 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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