Cynthia Dell Horton, MD
Family Medicine Physician · Waimea, HI
Cynthia Dell Horton, MD is a family medicine physician with a practice address in Waimea, Hawaii, and NPI 1558353920, issued on Aug 22, 2005. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cynthia Dell Horton
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD00031832 WA
MD23104 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4346 Waimea Canyon Drive, Waimea, HI 96796
- Phone
- (808) 338-9431
- Enumerated
- Aug 22, 2005
- Record last updated
- Dec 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (808) 338-9420
- Medicaid ID
- 8157737 WA
- Medicare enrollment
- Enrolled (PECOS I20170117001984); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Verify Cynthia Dell Horton 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
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,885 Medicare Part D claims for 245 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 87 claims were for opioids.
Most prescribed
- Levothyroxine Sodium114 claims
- Losartan Potassium101 claims
- Lisinopril87 claims
- Gabapentin85 claims
- Simvastatin76 claims
- Buprenorphine-Naloxone74 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 61.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospital affiliations
- Kauai Veterans Memorial HospitalWaimea, HI · Critical Access Hospitals
- Samuel Mahelona Memorial HospitalKalaheo, HI · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Cynthia Dell Horton among 730 family medicine physician records in Hawaii
Cynthia Dell Horton, MD 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
- Graduated1991 · median 2006 among the 383 with a school on file
- Record last updated2020 · 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).
4 family medicine physician records list a practice address in Waimea
They are 4 of the 43 NPPES records with a practice address in Waimea, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Waimea → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Damien Chong-Hanssen, M.D.Waimea, HI 967961114152501
- Amy Guyton, M.D.Waimea, HI 967961033640297
- Richard Lewan, M.D.Waimea, HI 967961083687693
- William Ahuna, MDWaipahu, HI 967971144314683
- Emilani Crow, MDWaipahu, HI 967971124073184
- Desmond Foo, M.D.Waimanalo, HI 967951013256072
- Edy Gomes, MDWaimanalo, HI 967951336717537
- Damon Lee, MDWaimanalo, HI 967951417937830
Common questions
What is Cynthia Dell Horton, MD's NPI number?
Cynthia Dell Horton, MD's National Provider Identifier (NPI) is 1558353920, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Dell Horton, MD located?
The NPPES record lists a practice address at 4346 Waimea Canyon Drive, Waimea, HI, 96796. Phone: (808) 338-9431. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Dell Horton, MD'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 Cynthia Dell Horton, MD prescribe under Medicare Part D?
In 2024, Cynthia Dell Horton, MD had 2,885 Medicare Part D claims for 245 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Cynthia Dell Horton, MD's MIPS final score?
The 2023 MIPS final score is 61.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.