GRETHEN GAMET APRN, AGNP-C
NPI 1235909565
Nurse Practitioner in Kailua Kona, HI
About Grethen Gamet Aprn, Agnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETHEN GAMET APRN, AGNP-C (NPI 1235909565) is an individual nurse practitioner in Kailua Kona, Hawaii, licensed in Hawaii (APRN-4401) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Grethen Gamet Aprn, Agnp-c 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
2Medicare enrollment records show Grethen Gamet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kailua-kona, HI 96740
- Reassigned Medicare billing, Hawaii enrollment
- 61 clinicians in this Medicare group
Cleveland, TN 37312
- Reassigned Medicare billing, Hawaii enrollment
- 12 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hilo Medical Center
Acute Care Hospitals · Hilo, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96740 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KAILUA KONA, HI 96740
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 Grethen Gamet's NPI number?
The NPI number for Grethen Gamet is 1235909565. It was assigned to this individual provider in the NPPES registry on January 8, 2024.
Where is Grethen Gamet located?
Grethen Gamet practices at 75-5751 Kuakini Hwy Ste 203, Kailua Kona, HI 96740. The listed phone number is (808) 326-5629.
What is Grethen Gamet's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Grethen Gamet enrolled in Medicare?
Yes. Grethen Gamet 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 Grethen Gamet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grethen Gamet reassigns Medicare benefits to 2 organizations: West Hawaii Community Health Center, Inc. (Kailua-kona, HI) and Life Care Physician Services, LLC (Cleveland, TN). 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 Grethen Gamet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grethen Gamet accept?
Health plans from HMSA list Grethen Gamet 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 Grethen Gamet affiliated with any hospitals?
According to CMS data, Grethen Gamet is affiliated with Hilo Medical Center.
When was this NPI record last updated?
The NPPES record for Grethen Gamet was last updated on March 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Grethen Gamet, APRN, AGNP-C · NPI 1235909565
Nurse Practitioner physician in Kailua Kona, Hawaii. Individual provider, active in the CMS NPPES registry since January 8, 2024.
## Identity
- **NPI:** 1235909565 (Entity type: Individual)
- **Enumerated:** January 8, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** APRN-4401 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 75-5751 KUAKINI HWY STE 203, Kailua Kona, HI 96740-1753
- **Phone:** (808) 326-5629 · **Fax:** (808) 329-9370
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): West Hawaii Community Health Center, Inc. (NPI 1952335630, Kailua-kona, HI); Life Care Physician Services, LLC (NPI 1770807919, Cleveland, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** March 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1235909565) · Data from the CMS NPPES public registry.