Daniel Bruce Harker, O.D.
Optometrist · Lihue, HI
Daniel Bruce Harker, O.D. is an optometrist with a practice address in Lihue, Hawaii, and NPI 1841552940, issued on Jun 13, 2012. Check the license (Hawaii 746, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Daniel Bruce Harker
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 746 HI
14392 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4463 Pahee St Ste 206, Lihue, HI 96766
- Phone
- (808) 246-0110
- Enumerated
- Jun 13, 2012
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140220001148); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 353 in Hawaii → Look up another NPI →
Also registered at 4463 Pahee St Ste 206
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kanayo Sakai, NPPsychiatric/Mental Health Nurse Practitioner1790222677
Verify Daniel Bruce Harker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license 746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average optometrist in 2024
238 Medicare Part D claims for 66 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Latanoprost170 claims
- Cyclosporine26 claims
- Timolol Maleate11 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
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Bruce Harker among 353 optometrist records in Hawaii
Daniel Bruce Harker, O.D. is one of 353 optometrist records with a practice address in Hawaii. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2012 · median 2003 among the 218 with a school on file
- Record last updated2021 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 optometrist records list a practice address in Lihue
They are 15 of the 644 NPPES records with a practice address in Lihue, and 353 optometrist records in Hawaii.
All 353 in Hawaii → Every provider in Lihue → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Karen Barbadillo, O.D.Lihue, HI 967661144401654
- Benjamin Cheung, O.D.Lihue, HI 967661417288184
- Derelyne Gandia, O.D.Lihue, HI 967661871781153
- Layne Hashimoto, O.D.Lihue, HI 967661518062751
- Kaiea Iwasaki, ODLihue, HI 967661982443743
- Jere Loo, ODLihue, HI 967661962561324
- Stacey Morinaga, O.D.Lihue, HI 967661811025802
- Chet Myers, O.D.Lihue, HI 967661225130818
Common questions
What is Daniel Bruce Harker, O.D.'s NPI number?
Daniel Bruce Harker, O.D.'s National Provider Identifier (NPI) is 1841552940, issued on Jun 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Bruce Harker, O.D. located?
The NPPES record lists a practice address at 4463 Pahee St Ste 206, Lihue, HI, 96766. Phone: (808) 246-0110. Providers update this record themselves, so call before visiting.
How can I verify Daniel Bruce Harker, O.D.'s license?
NPPES lists Hawaii license number 746, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Daniel Bruce Harker, O.D. prescribe under Medicare Part D?
In 2024, Daniel Bruce Harker, O.D. had 238 Medicare Part D claims for 66 beneficiaries; the average among optometrist prescribers was 277. 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.