Dr. Darrett Wai Yeung Choy, MD
- Part D claims, 2024
- 11
- Hospital affiliations
- 1
- Industry payments
- $516
- Medical groups
- 2
- State license
- 1
- Practice address
- 1319 Punahou Street, Honolulu, HI 96826
- Practice phone
- Call (808) 983-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Choy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Darrett Wai Yeung Choy is a pediatrician in Honolulu, Hawaii
Dr. Choy practices at Kapiʻolani Medical Center for Women & Children in Honolulu, Hawaii, part of Hawaiʻi Pacific Health.
Dr. Choy's NPI, 1770783375, was assigned on July 20, 2007. Dr. Choy holds Hawaii license MD14240.
- NPI
- 1770783375NPI Registry (opens in a new tab)
- NPI enumeration date
- July 20, 2007
- NPI status
- Active
- Practice phone
- (808) 983-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Darrett Wai Yeung Choy practices at Kapiʻolani Medical Center for Women & Children in Honolulu, Hawaii
Dr. Choy's primary practice is Kapiʻolani Medical Center for Women & Children, at 1319 Punahou Street, Honolulu, HI 96826 in Honolulu County. The practice phone is (808) 983-6000.
- Kapiʻolani Medical Center for Women & Children1319 Punahou Street, Honolulu, HI 96826 · Honolulu CountyPhone(808) 983-6000
Source: Dmand AI Affiliation Data
Dr. Darrett Wai Yeung Choy is affiliated with 3 sites of care and 2 medical groups
Dr. Choy's primary practice is Kapiʻolani Medical Center for Women & Children in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Choy to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Darrett Wai Yeung Choy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kapiʻolani Medical Center for Women & Children | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hawaiʻi Pacific Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Darrett Wai Yeung Choy is one of 339 pediatricians in Hawaii
Pediatrics is Dr. Choy's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Choy is licensed in Hawaii.
Specialties and state licenses
- Pediatrics, HawaiiPrimary
Pediatricians near Dr. Choy
Counts of pediatricians 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. Darrett Wai Yeung Choy's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Choy's median patient age at 12, with 59% women.
Dr. Choy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Darrett Wai Yeung Choy wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Choy wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $231 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Choy'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 in 2022.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Darrett Wai Yeung Choy received $516 in industry payments from 2016 to 2025
CMS Open Payments shows 14 general payments to Dr. Choy from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Biogen, Inc. paid the most, $236.
General payments to Dr. Choy by program year, 2016 to 2025
General payments to Dr. Choy by kind, 2016 to 2025
- Food and beverage$36270%
- Education$15430%
Companies that paid Dr. Choy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Darrett Wai Yeung Choy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Darrett Wai Yeung Choy
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. Darrett Wai Yeung Choy's NPI number?
Dr. Darrett Wai Yeung Choy's NPI number is 1770783375. It was assigned on July 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Darrett Wai Yeung Choy?
Dr. Darrett Wai Yeung Choy is a pediatrician in Honolulu, Hawaii. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Darrett Wai Yeung Choy practice?
Dr. Choy practices at 1319 Punahou Street, Honolulu, HI 96826. Dr. Choy's primary practice is Kapiʻolani Medical Center for Women & Children in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Choy to 2 group practices and clinics and 2 medical groups.
What is Dr. Darrett Wai Yeung Choy's office phone number?
The practice phone on file for Dr. Choy is (808) 983-6000.
What is Dr. Darrett Wai Yeung Choy's medical license number?
Dr. Choy holds Hawaii license MD14240.
Which hospitals is Dr. Darrett Wai Yeung Choy affiliated with?
Dr. Choy practices at Kapiʻolani Medical Center for Women & Children in Honolulu, Hawaii.
What drugs does Dr. Darrett Wai Yeung Choy prescribe most?
In 2024 Medicare Part D data, Dr. Choy's most prescribed drugs by claims were Valproic Acid.
Has Dr. Darrett Wai Yeung Choy received payments from drug or device companies?
CMS Open Payments shows $516 in general payments to Dr. Choy from 7 companies from 2016 to 2025. The largest total came from Biogen, Inc.
How long has Dr. Darrett Wai Yeung Choy been practicing?
Dr. Choy's NPI was assigned in 2007.
Selling to pediatrics practices?
See pediatricians in Hawaii by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card