Dr. Douglas Freeman Chu, MD

  • Honolulu, HI
  • Ophthalmologist
NPI1841237443PAC ID2062433402
Medicare services, 2024
1,265
Medicare patients, 2024
596
Part D claims, 2024
1,545
MIPS score, 2024
84
Hospital affiliations
2
Practice address
888 S King Street, Honolulu, HI 96813
Practice phone
Call (808) 522-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Straub Benioff Medical Center

Hospital · Honolulu, Hawaii

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Dr. Douglas Freeman Chu is an ophthalmologist in Honolulu, Hawaii

Dr. Chu practices at Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health.

Dr. Chu's NPI, 1841237443, was assigned on June 1, 2006. Dr. Chu graduated from R Franklin University of Med & Sci/Chicago Medical School in 1988. Dr. Chu holds Hawaii license MD9013.

NPI and contact details
Medicare PAC ID
2062433402
NPI enumeration date
June 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(808) 522-4000
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Douglas Freeman Chu practices at Straub Benioff Medical Center in Honolulu, Hawaii

Dr. Chu's primary practice is Straub Benioff Medical Center, at 888 S King Street, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 522-4000.

Source: Dmand AI Affiliation Data

Dr. Douglas Freeman Chu is affiliated with 4 sites of care and 1 medical group

Dr. Chu's primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dr. Chu is also affiliated with The Queen's Medical Center. The medical group on file is Straub Benioff Medical Center. Dmand AI also links Dr. Chu to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Chu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Douglas Freeman Chu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Straub Benioff Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Douglas Freeman Chu is one of 123 ophthalmologists in Hawaii

Ophthalmology is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chu is licensed in Hawaii.

Specialties and state licenses

  • Ophthalmology, HawaiiPrimaryLicense MD9013 · taxonomy 207W00000X

Ophthalmologists near Dr. Chu

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Douglas Freeman Chu billed Medicare for 1,265 services in 2024

CMS data shows 1,265 Medicare services from Dr. Chu across 8 procedure codes in 2024, for 596 Medicare patients. Medicare paid $58,646 for them.

Medicare services, 20241,265
Medicare patients596
Paid by Medicare$58,646
Procedure codes8

Dr. Chu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 6002024: 1,224104%
Surgery
2023: 162024: 2663%
Imaging
2023: 02024: 15

Where Dr. Chu's Medicare services took place, 2024

  • In an office57746%
  • In a facility68854%

Dr. Chu compared with the Hawaii median for ophthalmologists, 2024

  • Dr. Chu
  • Hawaii median
Medicare services
1,265vs 1,08317% above
Medicare patients
596vs 30695% above
Part D claims
1,445vs 4902.9 times

Medians across 125 ophthalmologists in Hawaii with Dmand AI profiles that report each measure.

Dr. Chu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Douglas Freeman Chu treated 596 Medicare patients in 2024, average age 77

CMS counts 596 Medicare patients who saw Dr. Chu in 2024. The largest group is 75 to 84, with 249 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chu's median patient age at 75, with 57% women.

Medicare patients, 2024596
Average age77
Average risk score1.08
Also on Medicaid4%

Dr. Chu's Medicare patients by age, 2024

Dr. Chu's Medicare patients by sex, 2024

  • Women34057%
  • Men25643%

Chronic conditions among Dr. Chu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease43%
  4. Diabetes38%
  5. Arthritis30%
  6. Osteoporosis19%
  7. Cancer17%
  8. Ischemic heart disease15%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Douglas Freeman Chu wrote 1,545 Medicare Part D claims in 2024

In 2024, Dr. Chu wrote 1,545 Medicare Part D claims for 359 patients. 52% of them were for generic drugs. CMS names the drug for 1,445 of them, across 16 drugs with 11 or more claims each, at $174,264 in total drug cost. In 2023, CMS named 847 claims across 14 drugs.

Part D claims, 20241,545
Drugs named by CMS16
Total drug cost$174,264
Part D patients359

Dr. Chu's Part D claims by kind of drug, 2024

  • Generic798 claims52%
  • Brand-name747 claims48%

Dr. Chu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8472024: 1,44571%

Drugs named by CMS: 16 in 2024, 14 in 2023.

See all prescribing by Dr. Chu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Douglas Freeman Chu scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chu for performance year 2024, reported as part of a group. Dr. Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 117 procedures of cataract surgery by Dr. Chu, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Chu's MIPS scores, performance year 2024

  • 84of 100Final score
  • 67.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Chu ranks in Medicare procedure volume

Cataract surgery
76th percentile117 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Douglas Freeman Chu received $6,933 in industry payments from 2016 to 2025

CMS Open Payments shows 111 general payments to Dr. Chu from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Alcon Laboratories Inc paid the most, $2,204.

General payments to Dr. Chu by program year, 2016 to 2025

General payments to Dr. Chu by kind, 2016 to 2025

$6.9Kin total
  • Food and beverage$5,78083%
  • Device or supply loans$83812%
  • Entertainment$3155%

Companies that paid Dr. Chu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Douglas Freeman Chu graduated from R Franklin University of Med & Sci/Chicago Medical School

Dr. Chu graduated from R Franklin University of Med & Sci/Chicago Medical School in 1988.

  1. Medical schoolR Franklin University of Med & Sci/Chicago Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Douglas Freeman Chu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Douglas Freeman Chu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Douglas Freeman Chu's NPI number?

Dr. Douglas Freeman Chu's NPI number is 1841237443. It was assigned on June 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Douglas Freeman Chu?

Dr. Douglas Freeman Chu is an ophthalmologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Douglas Freeman Chu practice?

Dr. Chu practices at 888 S King Street, Honolulu, HI 96813. Dr. Chu's primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Chu to 1 physician office and 1 group practice or clinic.

What is Dr. Douglas Freeman Chu's office phone number?

The practice phone on file for Dr. Chu is (808) 522-4000.

What is Dr. Douglas Freeman Chu's medical license number?

Dr. Chu holds Hawaii license MD9013.

Which hospitals is Dr. Douglas Freeman Chu affiliated with?

Dr. Chu practices at Straub Benioff Medical Center in Honolulu, Hawaii. Dr. Chu is also affiliated with The Queen's Medical Center.

What medical group is Dr. Douglas Freeman Chu part of?

Dr. Chu is linked to Straub Benioff Medical Center.

Does Dr. Douglas Freeman Chu accept Medicare?

Yes. CMS data shows Dr. Chu billed Medicare for 1,265 services in 2024, and Dr. Chu accepts Medicare assignment.

What is Dr. Douglas Freeman Chu's MIPS score?

Dr. Chu's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

How many Medicare patients does Dr. Douglas Freeman Chu see?

CMS counts 596 Medicare patients who saw Dr. Chu in 2024, with an average age of 77.

Show 5 more questionsShow fewer questions

What services does Dr. Douglas Freeman Chu bill to Medicare?

In 2024, Dr. Chu's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92083).

Where did Dr. Douglas Freeman Chu go to medical school?

Dr. Chu graduated from R Franklin University of Med & Sci/Chicago Medical School in 1988.

What drugs does Dr. Douglas Freeman Chu prescribe most?

In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.

Has Dr. Douglas Freeman Chu received payments from drug or device companies?

CMS Open Payments shows $6,933 in general payments to Dr. Chu from 16 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Douglas Freeman Chu been practicing?

Dr. Chu graduated from medical school in 1988, 38 years ago.

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