Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Thomas R Tetzlaff, MD

Individual provider Pediatrics Physician · NPI 1790733582

Thomas R Tetzlaff, MD is a Pediatrics Physician in Sioux Falls, South Dakota. Licensed in Nevada and South Dakota. Registered with an NPI since 2006.

Licensed in
NV, SD
In the registry since
2006
Specialties on file
3
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

800 E 21st St
Sioux Falls, SD 57105-1016
Phone: (605) 322-8000
Fax: (702) 853-8505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence 4674 (SD)
Pediatrics Physician Taxonomy 208000000X · Licence 4674 (SD)
Pediatric Critical Care Medicine Physician Taxonomy 2080P0203X · Licence 3374 (NV)

Record details

NPI number1790733582
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESSeptember 29, 2026

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