Trenton E. Knewtson, DO
Family Medicine Physician · Kailua Kona, HI
Trenton E. Knewtson, DO is a family medicine physician with a practice address in Kailua Kona, Hawaii, and NPI 1982693503, issued on Oct 17, 2005. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Trenton E. Knewtson
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 05 29059 KS
Self-reported in NPPES; status is on the state search - Practice location
- 77-311 Sunset Dr, Kailua Kona, HI 96740
- Phone
- (808) 327-4357
- Enumerated
- Oct 17, 2005
- Record last updated
- Jul 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 100390630A KS
- Medicare enrollment
- Enrolled (PECOS I20201023002035); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 77-311 Sunset Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Delana Phillips, MDFamily Medicine Physician1093731002
- Lori Wilhelm, MDDiagnostic Radiology Physician1609825728
Verify Trenton E. Knewtson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family medicine physician in 2024
11,579 Medicare Part D claims for 1,179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 901 claims were for opioids.
Most prescribed
- Atorvastatin Calcium520 claims
- Prednisone449 claims
- Lisinopril427 claims
- Hydrocodone-Acetaminophen386 claims
- Gabapentin361 claims
- Levothyroxine Sodium347 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 one group practice
- Intermountain Medical Holdings Nevada IncPahrump, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trenton E. Knewtson among 730 family medicine physician records in Hawaii
Trenton E. Knewtson, DO is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1998 · median 2006 among the 383 with a school on file
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 family medicine physician records list a practice address in Kailua Kona
They are 28 of the 803 NPPES records with a practice address in Kailua Kona, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Kailua Kona → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Andl, M.D.Kailua Kona, HI 967401053421693
- Laura Ankrum, DOKailua Kona, HI 967401548233380
- Claudia Christman, MDKailua Kona, HI 967401053439612
- Dominador Genio, M.D.Kailua Kona, HI 967401386754257
- Greta Ivers, M.D.Kailua Kona, HI 967401104911189
- Lambert Lee Loy, M.D.Kailua Kona, HI 967401164592077
- C Lindborg, MDKailua Kona, HI 967401184629669
- David McCandless, M.D.Kailua Kona, HI 967401104982909
Common questions
What is Trenton E. Knewtson, DO's NPI number?
Trenton E. Knewtson, DO's National Provider Identifier (NPI) is 1982693503, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Trenton E. Knewtson, DO located?
The NPPES record lists a practice address at 77-311 Sunset Dr, Kailua Kona, HI, 96740. Phone: (808) 327-4357. Providers update this record themselves, so call before visiting.
How can I verify Trenton E. Knewtson, DO's license?
Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Trenton E. Knewtson, DO prescribe under Medicare Part D?
In 2024, Trenton E. Knewtson, DO had 11,579 Medicare Part D claims for 1,179 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.