C Galen Choy, M.D.
C Galen Choy is a Hematology & Oncology specialist based in Honolulu, HI with over 40 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across HI can see C Galen Choy, M.D. in person in Honolulu or via virtual visit — no travel required. A Saint Louis University School of Medicine graduate since 1986, he brings 40+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and cancer. CMS MIPS quality score: 86.2/100 (2023).
At a glance
- Prescribes opioids less than 21% of reporting doctors in Hawaii
- Federal MIPS score higher than 31% of MIPS-scored doctors in Hawaii
- Virtual visits available — no app or travel required
Older · 5182dNPPES updated 2012-03-16 · verify NPI on CMS · Verify license at Hawaii Medical Board
Contact & Location
Practice Location
888 S King St, Honolulu, HI 96813-3009
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
MIPS Score
202386.2/100
Hawaii avg: 83.7 · US avg: 83.6
✓ Higher than most doctors nationally(+2.6 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better3.62%
Hawaii avg: 5.3 · US avg: 5.1
✓ Higher than most doctors nationally(-1.5 pts)
3.62% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
339
Unique beneficiaries
Standard volumePrescription Recipients
246
Patients prescribed
Prescriptions Written
1,106
Total claims
Total Medicare drug cost: $1.96M
Percentile rankings compared against 262 reporting peers in Hawaii.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+50%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+16%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+9%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-18%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+4%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$82 received from industry
5 transactions reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to C Galen Choy's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1986
Saint Louis University School of Medicine
40 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
Saint Louis University School of Medicine (Class of 1986)
Mailing address
888 S King St Department of Oncology, Honolulu, HI 96813-3097
Differs from practice location
Virtual Hematology & Oncology Care With C Galen Choy
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with C Galen Choy for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Honolulu required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about C Galen Choy
Dr. Choy is listed as active in the NPI registry with telehealth listed in Honolulu, HI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (808) 522-4000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact C Galen Choy
Practice Location
888 S King St, Honolulu, HI 96813-3009
Mailing Address
888 S King St Department of Oncology, Honolulu, HI 96813-3097
This is a provider directory. Contact the office directly to schedule appointments.
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