BRIAN THIELEN
NPI 1568042885
Family Medicine in Hilo, HI
About Brian Thielen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN THIELEN (NPI 1568042885) is an individual family medicine provider in Hilo, Hawaii, licensed in Hawaii (MD-24299) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Kona Community Hospital, and maintains a secondary practice location in Kalispell.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Brian Thielen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Brian Thielen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 263 clinicians in this Medicare group
Pahala, HI 96777
- Reassigned Medicare billing, Hawaii enrollment
- 208 clinicians in this Medicare group
Kealakekua, HI 96750
- Reassigned Medicare billing, Hawaii enrollment
- 65 clinicians in this Medicare group
Libby, MT 59923
- Reassigned Medicare billing, Montana enrollment
- 483 clinicians in this Medicare group
Libby, MT 59923
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: St Johns Lutheran Hospital Inc
- 67 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kona Community Hospital
Acute Care Hospitals · Kealakekua, HILogan Health Medical Center
Acute Care Hospitals · Kalispell, MTCabinet Peaks Medical Center
Critical Access Hospitals · Libby, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HILO, HI 96720
HILO, HI 96720
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Brian Thielen's NPI number?
The NPI number for Brian Thielen is 1568042885. It was assigned to this individual provider in the NPPES registry on April 11, 2021.
Where is Brian Thielen located?
Brian Thielen practices at 1190 Waianuenue Ave, Hilo, HI 96720. The listed phone number is (808) 932-3730.
What is Brian Thielen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Brian Thielen enrolled in Medicare?
Yes. Brian Thielen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brian Thielen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Thielen reassigns Medicare benefits to 5 organizations: Hilo Benioff Medical Center (Hilo, HI), Kau Hospital (Pahala, HI), Sound Physicians Of Hawaii Inc (Kealakekua, HI), Kalispell Regional Medical Center Inc (Libby, MT) and St. John's Lutheran Hospital, Inc. (Libby, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian Thielen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Thielen accept?
Health plans from Blue Cross and Blue Shield of Montana, HMSA, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Brian Thielen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Brian Thielen affiliated with any hospitals?
According to CMS data, Brian Thielen is affiliated with Kona Community Hospital, Logan Health Medical Center and Cabinet Peaks Medical Center.
When was this NPI record last updated?
The NPPES record for Brian Thielen was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.