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

Dr. Timothy Kenneth Ackerman, MD

Individual provider Internal Medicine Physician · NPI 1245762921

Dr. Timothy Kenneth Ackerman, MD is a Hospitalist in Saint Louis, Missouri. Qualified in 2017, 9 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
9
Licensed in
MO
In the registry since
2017
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

1 Barnes Jewish Hospital Plz Div Im Hospitalist
Saint Louis, MO 63110-1003
Phone: (314) 362-1700
Fax: (314) 362-9878
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Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2024016240 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2024016240 (MO)

Record details

NPI number1245762921
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2017
Last updated in NPPESApril 15, 2025
Certification dateAugust 16, 2023
Mailing addressPo Box 7412011, Chicago, IL 60674-2011

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE, PEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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