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

Austin Frederick Tiesenga

Individual provider Internal Medicine Physician · NPI 1740977446

Austin Frederick Tiesenga is an Internal Medicine Physician in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2023.

Licensed in
MI
In the registry since
2023

Practice location Address checks out

100 Michigan St NE
Grand Rapids, MI 49503-2560
Phone: (616) 391-3139
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5101029453 (MI)

Record details

NPI number1740977446
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 21, 2023
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Other providers in Grand Rapids