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

Dr. Tracy M Diefenbach, PHDMRMSCCTP

Individual provider Research Study Specialist · NPI 1649940115

Dr. Tracy M Diefenbach, PHDMRMSCCTP is a Research Study Specialist in Fosston, Minnesota. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

816 2nd St NE
Fosston, MN 56542-1519
Phone: (218) 637-0399
Show map & directions

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

Specialties & licences

Research Study Specialist (primary) Taxonomy 1744R1102X

Record details

NPI number1649940115
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHDMRMSCCTP
Sole proprietorNo
NPI enumeratedSeptember 16, 2021
Last updated in NPPESSeptember 18, 2025
Certification dateSeptember 18, 2025

Other providers in Fosston