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

Brian Thielen

Individual provider Family Medicine Physician · NPI 1568042885

Brian Thielen is a Family Practice in Hilo, Hawaii. Graduated from University of Minnesota Medical School in 2021, 5 years ago. Practices with Kalispell Regional Medical Center Inc, a 418-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Hawaii and Montana.

Years since qualifying
5
Trained at
University of Minnesota Medical School
Licensed in
HI, MT
In the registry since
2021
Specialties on file
2
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Practice location Address checks out

1190 Waianuenue Ave
Hilo, HI 96720-2089
Phone: (808) 932-3730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 160 Heritage Way Ste 202, Kalispell, MT 59901-3127 — (406) 752-8433

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD-24299 (HI)
Family Medicine Physician Taxonomy 207Q00000X · Licence MED-PHYS-LIC-160504 (MT)

Record details

NPI number1568042885
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 11, 2021
Last updated in NPPESJanuary 21, 2026
Certification dateJanuary 21, 2026
Mailing address1190 Waianuenue Ave, Hilo, HI 96720-2089

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Kalispell Regional Medical Center Inc — 418 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Hilo