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

David Peterson Tetzlaff, MD

Individual provider Pediatrics Physician · NPI 1245290329

David Peterson Tetzlaff, MD is an Internal Medicine in Minneapolis, Minnesota. Graduated from University of Minnesota Medical School in 1998, 28 years ago. Practices with Gillette Childrens Specialty Healthcare, a 102-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
28
Trained at
University of Minnesota Medical School
Licensed in
MN
In the registry since
2006
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

920 E 28th St SUITE190
Minneapolis, MN 55407-1139
Phone: (612) 863-1893
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 42365 (MN)

Record details

NPI number1245290329
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESOctober 13, 2025
Certification dateOctober 13, 2025
Mailing addressPo Box 43, Mr 10809, Minneapolis, MN 55440-0043

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Gillette Childrens Specialty Healthcare — 102 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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