Dr. C Galen Choy, MD
- Medicare services, 2024
- 728
- Medicare patients, 2024
- 284
- Part D claims, 2024
- 985
- MIPS score, 2024
- 84
- Hospital affiliations
- 4
- Practice address
- 98-1079 Moanalua Road, Aiea, HI 96701
- Practice phone
- Call (808) 486-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. C Galen Choy is a hematologist and oncologist in Aiea, Hawaii
Dr. Choy practices at Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health.
Dr. Choy's NPI, 1790799393, was assigned on July 28, 2006. Dr. Choy graduated from Saint Louis University School of Medicine in 1986. Dr. Choy holds Hawaii license MD-6329.
- NPI
- 1790799393NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385648898
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 486-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. C Galen Choy practices at Pali Momi Medical Center in Aiea, Hawaii
Dr. Choy's primary practice is Pali Momi Medical Center, at 98-1079 Moanalua Road, Aiea, HI 96701 in Honolulu County. The practice phone is (808) 486-6000.
- Pali Momi Medical Center98-1079 Moanalua Road, Aiea, HI 96701 · Honolulu CountyPhone(808) 486-6000
Source: Dmand AI Affiliation Data
Dr. C Galen Choy is affiliated with 5 sites of care and 2 medical groups
Dr. Choy's primary practice is Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health. Dr. Choy is also affiliated with The Queen's Medical Center. The medical group on file is Pali Momi Medical Center. Dmand AI also links Dr. Choy to 2 more hospitals, 1 clinical lab and 1 medical group, each named with a free account. Dr. Choy's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. C Galen Choy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choy practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pali Momi Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. C Galen Choy is one of 61 hematologists and oncologists in Hawaii
Hematology and oncology is Dr. Choy's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Choy is licensed in Hawaii.
Specialties and state licenses
- Hematology and oncology, HawaiiPrimary
Hematologists and oncologists near Dr. Choy
Counts of hematologists and oncologists 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. C Galen Choy billed Medicare for 728 services in 2024
CMS data shows 728 Medicare services from Dr. Choy across 6 procedure codes in 2024, for 284 Medicare patients. Medicare paid $53,717 for them.
Dr. Choy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7482024: 64614%
- Other services
- 2023: 02024: 82
Where Dr. Choy's Medicare services took place, 2024
- In an office69595%
- In a facility335%
Dr. Choy compared with the Hawaii median for hematologists and oncologists, 2024
- Dr. Choy
- Hawaii median
- Medicare services
- 728vs 3612.0 times
- Medicare patients
- 284vs 19943% above
- Part D claims
- 836vs 57047% above
Medians across 56 hematologists and oncologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Choy'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Choy and other hematologists and oncologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. C Galen Choy treated 284 Medicare patients in 2024, average age 77
CMS counts 284 Medicare patients who saw Dr. Choy in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Choy's median patient age at 72, with 66% women.
Dr. Choy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Choy's Medicare patients by sex, 2024
- Women19970%
- Men8530%
Chronic conditions among Dr. Choy's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease48%
- Diabetes44%
- Arthritis29%
- Osteoporosis25%
- Ischemic heart disease17%
Share of Medicare patients with each condition. A patient can have several.
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 72
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. C Galen Choy wrote 985 Medicare Part D claims in 2024
In 2024, Dr. Choy wrote 985 Medicare Part D claims for 211 patients. 78% of them were for generic drugs. CMS names the drug for 836 of them, across 24 drugs with 11 or more claims each, at $2,395,113 in total drug cost. In 2023, CMS named 976 claims across 25 drugs.
Dr. Choy's Part D claims by kind of drug, 2024
- Generic772 claims78%
- Brand-name and other213 claims22%
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.
Drug classes CMS tracks in Dr. Choy's Part D claims, 2024
- Opioids4%35 of 985 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9762024: 83614%
Drugs named by CMS: 24 in 2024, 25 in 2023.
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. C Galen Choy 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. Choy for performance year 2024, reported as part of a group. Dr. Choy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Choy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Choy'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.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. C Galen Choy received $685 in industry payments from 2017 to 2023
CMS Open Payments shows 44 general payments to Dr. Choy from 4 drug and device companies from 2017 to 2023. Education make up the largest share, 95% of the total. Pfizer Inc. paid the most, $610.
General payments to Dr. Choy by program year, 2017 to 2023
General payments to Dr. Choy by kind, 2017 to 2023
- Education$64995%
- Food and beverage$365%
Companies that paid Dr. Choy the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. C Galen Choy graduated from Saint Louis University School of Medicine
Dr. Choy graduated from Saint Louis University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. C Galen 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. C Galen 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. C Galen Choy's NPI number?
Dr. C Galen Choy's NPI number is 1790799393. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. C Galen Choy?
Dr. C Galen Choy is a hematologist and oncologist in Aiea, Hawaii. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. C Galen Choy practice?
Dr. Choy practices at 98-1079 Moanalua Road, Aiea, HI 96701. Dr. Choy's primary practice is Pali Momi Medical Center in Aiea, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Choy to 2 hospitals, 1 clinical lab and 1 medical group.
What is Dr. C Galen Choy's office phone number?
The practice phone on file for Dr. Choy is (808) 486-6000.
What is Dr. C Galen Choy's medical license number?
Dr. Choy holds Hawaii license MD-6329.
Which hospitals is Dr. C Galen Choy affiliated with?
Dr. Choy practices at Pali Momi Medical Center in Aiea, Hawaii. Dr. Choy is also affiliated with The Queen's Medical Center. Dmand AI links Dr. Choy to 2 more hospitals.
What medical group is Dr. C Galen Choy part of?
Dr. Choy is linked to Pali Momi Medical Center. Dmand AI links Dr. Choy to 1 more medical group.
Does Dr. C Galen Choy accept Medicare?
Yes. CMS data shows Dr. Choy billed Medicare for 728 services in 2024, and Dr. Choy accepts Medicare assignment.
Does Dr. C Galen Choy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Choy as offering telehealth services.
What is Dr. C Galen Choy's MIPS score?
Dr. Choy's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. C Galen Choy see?
CMS counts 284 Medicare patients who saw Dr. Choy in 2024, with an average age of 77.
What services does Dr. C Galen Choy bill to Medicare?
In 2024, Dr. Choy's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. C Galen Choy go to medical school?
Dr. Choy graduated from Saint Louis University School of Medicine in 1986.
What drugs does Dr. C Galen Choy prescribe most?
In 2024 Medicare Part D data, Dr. Choy's most prescribed drugs by claims were Anastrozole, Letrozole and Alendronate Sodium.
Has Dr. C Galen Choy received payments from drug or device companies?
CMS Open Payments shows $685 in general payments to Dr. Choy from 4 companies from 2017 to 2023. The largest total came from Pfizer Inc.
How long has Dr. C Galen Choy been practicing?
Dr. Choy graduated from medical school in 1986, 40 years ago.
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