Douglas Freeman Chu, M.D.
Ophthalmology Physician · Honolulu, HI
Douglas Freeman Chu, M.D. is an ophthalmology physician with a practice address in Honolulu, Hawaii, and NPI 1841237443, issued on Jun 1, 2006. Check the license (Hawaii MD9013, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Freeman Chu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD9013 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1401 S Beretania St, Honolulu, HI 96814
- Phone
- (808) 942-5800
- Enumerated
- Jun 1, 2006
- Record last updated
- Feb 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (808) 949-4553
- Medicaid ID
- 074315 HI
- Medicare enrollment
- Enrolled (PECOS I20051214000301); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1988
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 128 in Hawaii → Look up another NPI →
Also registered at 1401 S Beretania St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rita Abreu, NPNurse Practitioner1558093153
- Leslee AkiPhysical Therapy Assistant1093644874
- Zena Lia Arii, OTROccupational Therapist1831632686
- Kathryn Avery, P.T.Physical Therapist1568517845
- Shim Ching, MDPlastic and Reconstructive Surgery Physician1184670689
- Blayse ChunPhysical Therapy Assistant1063864742
Verify Douglas Freeman Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD9013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average ophthalmology physician in 2024
1,545 Medicare Part D claims for 359 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Latanoprost526 claims
- Timolol Maleate234 claims
- Prednisolone Acetate114 claims
- Brimonidine Tartrate95 claims
- Dorzolamide-Timolol93 claims
- Ketorolac Tromethamine85 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.
Industry payments in 2024: $163.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars
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). Star ratings are CMS hospital ratings, not ratings of this provider.
Douglas Freeman Chu among 128 ophthalmology physician records in Hawaii
Douglas Freeman Chu, M.D. is one of 128 ophthalmology physician records with a practice address in Hawaii. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 1995 among the 89 with a school on file
- Record last updated2017 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Hawaii
There are 128 ophthalmology physician records in Hawaii.
All 128 in Hawaii → Every provider in Honolulu → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Kenneth Baum, MDHonolulu, HI 968141871692269
- Stephen Clason, M.D.Honolulu, HI 968141982661161
- Alan Faulkner, M.D.Honolulu, HI 968141043312887
- Andrew Fong, MDHonolulu, HI 968141316047160
- Tyrie Jenkins, M.D.Honolulu, HI 968141316903610
- Marshall Kim, M.D., PH.D.Honolulu, HI 968141871534883
- Allan Kunimoto, M.D.Honolulu, HI 968141114979762
- Jeffrey Maehara, MDHonolulu, HI 968141689771586
Common questions
What is Douglas Freeman Chu, M.D.'s NPI number?
Douglas Freeman Chu, M.D.'s National Provider Identifier (NPI) is 1841237443, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Freeman Chu, M.D. located?
The NPPES record lists a practice address at 1401 S Beretania St, Honolulu, HI, 96814. Phone: (808) 942-5800. Providers update this record themselves, so call before visiting.
How can I verify Douglas Freeman Chu, M.D.'s license?
NPPES lists Hawaii license number MD9013, as entered by the provider. 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 Douglas Freeman Chu, M.D. prescribe under Medicare Part D?
In 2024, Douglas Freeman Chu, M.D. had 1,545 Medicare Part D claims for 359 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.