Dr. Aaron G. M. Choy, MD
- Medicare services, 2024
- 51
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 7,017
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 2828 Pa'A Street, Honolulu, HI 96819
- Practice phone
- Call (808) 432-5738
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office
Surgery Center - Medicare-Certified · Honolulu, Hawaii
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. Aaron G. M. Choy is an internist in Honolulu, Hawaii
Dr. Choy practices at Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office in Honolulu, Hawaii.
Dr. Choy's NPI, 1639380918, was assigned on May 25, 2007. Dr. Choy graduated from University of Hawaii John A. Burns School of Medicine in 2004. Dr. Choy holds Hawaii license MD-14355.
- NPI
- 1639380918NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395824908
- NPI enumeration date
- May 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 432-5738
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron G. M. Choy practices at Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office in Honolulu, Hawaii
Dr. Choy's primary practice is Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office, at 2828 Pa'A Street, Honolulu, HI 96819. The practice phone is (808) 432-5738.
- Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office2828 Pa'A Street, Honolulu, HI 96819Phone(808) 432-5738
Source: Dmand AI Affiliation Data
Dr. Aaron G. M. Choy is affiliated with 4 sites of care and 1 medical group
Dr. Choy's primary practice is Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office in Honolulu, Hawaii. Dr. Choy is also affiliated with Kaiser Permanente Moanalua Medical Center. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Choy to 1 more group practice or clinic and 1 hospice, 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. Aaron G. M. Choy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choy practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron G. M. Choy is one of 771 internists in Hawaii
Internal medicine is Dr. Choy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Choy is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Choy
Counts of internists 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. Aaron G. M. Choy billed Medicare for 51 services in 2024
CMS data shows 51 Medicare services from Dr. Choy across 3 procedure codes in 2024, for 47 Medicare patients. Medicare paid $3,647 for them. Every service was in an office.
Dr. Choy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 462024: 2643%
- Office and hospital visits
- 2023: 182024: 2539%
- Other services
- 2023: 202024: 0100%
Dr. Choy compared with the Hawaii median for internists, 2024
- Dr. Choy
- Hawaii median
- Medicare services
- 51vs 34285% below
- Medicare patients
- 47vs 12863% below
- Part D claims
- 6,425vs 6709.6 times
Medians across 699 internists 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron G. M. Choy treated 47 Medicare patients in 2024, average age 72
CMS counts 47 Medicare patients who saw Dr. Choy in 2024. The largest group is 65 to 74, with 25 patients. 62% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Choy's median patient age at 55, with 49% 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
- Women2247%
- Men2553%
Chronic conditions among Dr. Choy's Medicare patients, 2024
- High blood pressure62%
- High cholesterol62%
- Diabetes43%
- Chronic kidney disease30%
- Heart failure23%
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 55
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron G. M. Choy wrote 7,017 Medicare Part D claims in 2024
In 2024, Dr. Choy wrote 7,017 Medicare Part D claims for 891 patients. 84% of them were for generic drugs. CMS names the drug for 6,425 of them, across 97 drugs with 11 or more claims each, at $372,489 in total drug cost. In 2023, CMS named 5,540 claims across 95 drugs.
Dr. Choy's Part D claims by kind of drug, 2024
- Generic5,901 claims84%
- Brand-name959 claims14%
- Other157 claims2%
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
- Opioids2%170 of 7,017 claims
- Antibiotics1%81 of 7,017 claims
- Antipsychotics, patients 65 and over0%13 of 7,017 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: 5,5402024: 6,42516%
Drugs named by CMS: 97 in 2024, 95 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. Aaron G. M. Choy offers telehealth to Medicare patients
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
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Aaron G. M. Choy graduated from University of Hawaii John A. Burns School of Medicine
Dr. Choy graduated from University of Hawaii John A. Burns School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron G. M. 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) |
| 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. Aaron G. M. 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. Aaron G. M. Choy's NPI number?
Dr. Aaron G. M. Choy's NPI number is 1639380918. It was assigned on May 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron G. M. Choy?
Dr. Aaron G. M. Choy is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aaron G. M. Choy practice?
Dr. Choy practices at 2828 Pa'A Street, Honolulu, HI 96819. Dr. Choy's primary practice is Ambulatory Surgery Center at Kaiser Permanente Mapunapuna Medical Office in Honolulu, Hawaii. Dmand AI also links Dr. Choy to 1 group practice or clinic and 1 hospice.
What is Dr. Aaron G. M. Choy's office phone number?
The practice phone on file for Dr. Choy is (808) 432-5738.
What is Dr. Aaron G. M. Choy's medical license number?
Dr. Choy holds Hawaii license MD-14355.
Which hospitals is Dr. Aaron G. M. Choy affiliated with?
Dr. Choy is affiliated with Kaiser Permanente Moanalua Medical Center.
What medical group is Dr. Aaron G. M. Choy part of?
Dr. Choy is linked to Hawaii Permanente Medical Group (HPMG).
Does Dr. Aaron G. M. Choy accept Medicare?
Yes. CMS data shows Dr. Choy billed Medicare for 51 services in 2024, and Dr. Choy accepts Medicare assignment.
Does Dr. Aaron G. M. Choy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Choy as offering telehealth services.
How many Medicare patients does Dr. Aaron G. M. Choy see?
CMS counts 47 Medicare patients who saw Dr. Choy in 2024, with an average age of 72.
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What services does Dr. Aaron G. M. Choy bill to Medicare?
In 2024, Dr. Choy's most billed Medicare services were office visit, established patient (99214), vaccine or vaccine administration (90480) and medical service (91320).
Where did Dr. Aaron G. M. Choy go to medical school?
Dr. Choy graduated from University of Hawaii John A. Burns School of Medicine in 2004.
What drugs does Dr. Aaron G. M. Choy prescribe most?
In 2024 Medicare Part D data, Dr. Choy's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
How long has Dr. Aaron G. M. Choy been practicing?
Dr. Choy graduated from medical school in 2004, 22 years ago.
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