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

William Hyatt, MD, PHD

Individual provider Psychiatry Physician · NPI 1356928907

William Hyatt, MD, PHD is a Psychiatry in Rhinelander, Wisconsin. Graduated from University of Arkansas College of Medicine in 2021, 5 years ago. Practices with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc, a 554-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
5
Trained at
University of Arkansas College of Medicine
Licensed in
WI
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1630 N Chippewa Dr
Rhinelander, WI 54501-9503
Phone: (715) 361-5480
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 85977-20 (WI)

Record details

NPI number1356928907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 28, 2021
Last updated in NPPESJuly 8, 2025
Certification dateJune 22, 2025
Mailing address1630 N Chippewa Dr, Rhinelander, WI 54501-9503

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc. — 554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Rhinelander