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

Jacob William Diestelmann, PHD

Individual provider Psychologist · NPI 1376064709

Jacob William Diestelmann, PHD is a Clinical Psychologist in Marshfield, Wisconsin. Qualified in 2017, 9 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
9
Licensed in
WI
In the registry since
2017
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone: (715) 387-5703
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 3608 (WI)

Record details

NPI number1376064709
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 6, 2017
Last updated in NPPESFebruary 16, 2024
Certification dateFebruary 16, 2024
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5703

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Marshfield