Grethen Gamet, APRN, AGNP-C
Nurse Practitioner · Kailua Kona, HI
Grethen Gamet, APRN, AGNP-C is a nurse practitioner with a practice address in Kailua Kona, Hawaii, and NPI 1235909565, issued on Jan 8, 2024. Check the license (Hawaii APRN-4401, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grethen Gamet
- Credential
- APRN, AGNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- APRN-4401 HI
Self-reported in NPPES; status is on the state search - Practice location
- 75-5751 Kuakini Hwy Ste 203, Kailua Kona, HI 96740
- Phone
- (808) 326-5629
- Enumerated
- Jan 8, 2024
- Record last updated
- Mar 19, 2024
- Fax
- (808) 329-9370
- Medicare enrollment
- Enrolled (PECOS I20240424002114); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 220 in Hawaii → Look up another NPI →
Also registered at 75-5751 Kuakini Hwy Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claudia HartzClinical Social Worker1720749500
- Meetu KelenCommunity Health Worker1699436295
- April Moran, LPCMental Health Counselor1447486725
- Michael Vigil, MDGeneral Practice Physician1144299264
Verify Grethen Gamet in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license APRN-4401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average nurse practitioner in 2024
332 Medicare Part D claims for 118 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate27 claims
- Atorvastatin Calcium17 claims
- Ventolin Hfa17 claims
- Lisinopril12 claims
- Metformin Hcl11 claims
- Tamsulosin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Bay Clinic IncHilo, HI
- West Hawaii Community Health Center IncKailua Kona, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grethen Gamet among 220 nurse practitioner records in Hawaii
Grethen Gamet, APRN, AGNP-C is one of 220 nurse practitioner records with a practice address in Hawaii. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.
- NPI issued2024 · 85% of these records are older, 8% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2023 · median 2018 among the 124 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 nurse practitioner records list a practice address in Kailua Kona
They are 9 of the 803 NPPES records with a practice address in Kailua Kona, and 220 nurse practitioner records in Hawaii.
All 220 in Hawaii → Every provider in Kailua Kona → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Heather AkinsKailua Kona, HI 967401407520281
- Dallas AndradeKailua Kona, HI 967401679247480
- Aaron Drapeau, ARNP, FNP-CKailua Kona, HI 967401780152959
- Jenny Eads, FNPKailua Kona, HI 967401437357969
- Kurtyss Kasten, FNP-BCKailua Kona, HI 967401467174128
- Christina Montalva, APRNKailua Kona, HI 967401609793496
- Megan Sedig, DNPKailua Kona, HI 967401649964206
- Jaime Westlund, NPKailua Kona, HI 967401730744640
Common questions
What is Grethen Gamet, APRN, AGNP-C's NPI number?
Grethen Gamet, APRN, AGNP-C's National Provider Identifier (NPI) is 1235909565, issued on Jan 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Grethen Gamet, APRN, AGNP-C located?
The NPPES record lists a practice address at 75-5751 Kuakini Hwy Ste 203, Kailua Kona, HI, 96740. Phone: (808) 326-5629. Providers update this record themselves, so call before visiting.
How can I verify Grethen Gamet, APRN, AGNP-C's license?
NPPES lists Hawaii license number APRN-4401, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Grethen Gamet, APRN, AGNP-C prescribe under Medicare Part D?
In 2024, Grethen Gamet, APRN, AGNP-C had 332 Medicare Part D claims for 118 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.