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

Dr. Thomas Mackenzie Leavenworth, MD

Individual provider Emergency Medicine Physician · NPI 1346230539

Dr. Thomas Mackenzie Leavenworth, MD is an Emergency Medicine Physician in Clinton, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
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

1410 N 4th St
Clinton, IA 52732-2940
Phone: (563) 244-3641
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 22498 (IA)

Record details

NPI number1346230539
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 27, 2005
Last updated in NPPESAugust 14, 2009

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