Dr. Bryan Aaron Ang Ganzon, MD
- Medicare services, 2024
- 51
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 58
- Hospital affiliations
- 1
- Industry payments
- $125
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ganzon's professional email, personal email and mobile number
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Dr. Bryan Aaron Ang Ganzon is an internist in Honolulu, Hawaii
Dr. Ganzon practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Dr. Ganzon's NPI, 1396313284, was assigned on June 16, 2021. Dr. Ganzon graduated from Saint Louis University School of Medicine in 2016. Dr. Ganzon holds Hawaii license MDR-8078.
- NPI
- 1396313284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133669377
- NPI enumeration date
- June 16, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bryan Aaron Ang Ganzon practices at The Queen's Medical Center in Honolulu, Hawaii
Dr. Ganzon's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Dr. Bryan Aaron Ang Ganzon is affiliated with 2 sites of care and 1 medical group
Dr. Ganzon's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Ganzon to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bryan Aaron Ang Ganzon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ganzon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's Medical Center | Available with a free account |
| +1 more affiliated site | 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 The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bryan Aaron Ang Ganzon is one of 771 internists in Hawaii
Internal medicine is Dr. Ganzon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ganzon is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Ganzon
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. Bryan Aaron Ang Ganzon billed Medicare for 51 services in 2024
CMS data shows 51 Medicare services from Dr. Ganzon across 2 procedure codes in 2024, for 52 Medicare patients. Medicare paid $6,144 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ganzon compared with the Hawaii median for internists, 2024
- Dr. Ganzon
- Hawaii median
- Medicare services
- 51vs 34285% below
- Medicare patients
- 52vs 12859% below
- Part D claims
- 80vs 67088% below
Medians across 699 internists in Hawaii with Dmand AI profiles that report each measure.
Dr. Ganzon'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. Ganzon and other internists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bryan Aaron Ang Ganzon treated 52 Medicare patients in 2024, average age 77
CMS counts 52 Medicare patients who saw Dr. Ganzon in 2024. The largest group is 85 and over, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.18, 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. Ganzon's median patient age at 71, with 41% women.
Dr. Ganzon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ganzon's Medicare patients by sex, 2024
- Women2752%
- Men2548%
Chronic conditions among Dr. Ganzon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Chronic kidney disease56%
- Arthritis52%
- Ischemic heart disease40%
- Atrial fibrillation35%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ganzon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bryan Aaron Ang Ganzon wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Ganzon wrote 58 Medicare Part D claims for 20 patients. 84% of them were for generic drugs. They cover 5 drugs, with $1,318 in total drug cost.
Dr. Ganzon's Part D claims by kind of drug, 2024
- Generic49 claims84%
- Brand-name and other9 claims16%
Dr. Ganzon's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Dr. Bryan Aaron Ang Ganzon takes part in Medicare
Dr. Ganzon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Bryan Aaron Ang Ganzon received $125 in industry payments in 2020
CMS Open Payments shows 3 general payments to Dr. Ganzon from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $125.
Companies that paid Dr. Ganzon the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bryan Aaron Ang Ganzon graduated from Saint Louis University School of Medicine
Dr. Ganzon graduated from Saint Louis University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bryan Aaron Ang Ganzon'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) |
| 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. Bryan Aaron Ang Ganzon
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. Bryan Aaron Ang Ganzon's NPI number?
Dr. Bryan Aaron Ang Ganzon's NPI number is 1396313284. It was assigned on June 16, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Bryan Aaron Ang Ganzon?
Dr. Bryan Aaron Ang Ganzon is an internist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Bryan Aaron Ang Ganzon practice?
Dr. Ganzon practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Ganzon's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Ganzon to 1 group practice or clinic.
What is Dr. Bryan Aaron Ang Ganzon's office phone number?
The practice phone on file for Dr. Ganzon is (808) 538-9011.
What is Dr. Bryan Aaron Ang Ganzon's medical license number?
Dr. Ganzon holds Hawaii license MDR-8078.
Which hospitals is Dr. Bryan Aaron Ang Ganzon affiliated with?
Dr. Ganzon practices at The Queen's Medical Center in Honolulu, Hawaii.
What medical group is Dr. Bryan Aaron Ang Ganzon part of?
Dr. Ganzon is linked to The Queen's Medical Center.
Does Dr. Bryan Aaron Ang Ganzon accept Medicare?
Yes. CMS data shows Dr. Ganzon billed Medicare for 51 services in 2024, and Dr. Ganzon accepts Medicare assignment.
How many Medicare patients does Dr. Bryan Aaron Ang Ganzon see?
CMS counts 52 Medicare patients who saw Dr. Ganzon in 2024, with an average age of 77.
What services does Dr. Bryan Aaron Ang Ganzon bill to Medicare?
In 2024, Dr. Ganzon's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Bryan Aaron Ang Ganzon go to medical school?
Dr. Ganzon graduated from Saint Louis University School of Medicine in 2016.
What drugs does Dr. Bryan Aaron Ang Ganzon prescribe most?
In 2023 Medicare Part D data, Dr. Ganzon's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Bryan Aaron Ang Ganzon received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Ganzon from 1 company from 2020 to 2020. The largest total came from Eli Lilly and Company.
How long has Dr. Bryan Aaron Ang Ganzon been practicing?
Dr. Ganzon graduated from medical school in 2016, 10 years ago.
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