Dr. Ty Chun, MD
- Medicare services, 2024
- 156
- Medicare patients, 2026
- 151
- Part D claims, 2026
- 54
- Hospital affiliations
- 1
- Industry payments
- $32
- Practice address
- 67 1125 Mamalahoa Highway, Kamuela, HI 96743
- Practice phone
- Call (808) 885-4444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chun'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. Ty Chun is a general surgeon in Kamuela, Hawaii
Dr. Chun practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems.
Dr. Chun's NPI, 1659484699, was assigned on August 16, 2006. Dr. Chun graduated from University of Hawaii John A. Burns School of Medicine in 1986. Dr. Chun holds Washington license MD00028608.
- NPI
- 1659484699NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426053299
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 885-4444
- 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. Ty Chun practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii
Dr. Chun's primary practice is Queen's North Hawaiʻi Community Hospital, at 67 1125 Mamalahoa Highway, Kamuela, HI 96743 in Hawaii County. The practice phone is (808) 885-4444.
- Queen's North Hawaiʻi Community Hospital67 1125 Mamalahoa Highway, Kamuela, HI 96743 · Hawaii CountyPhone(808) 885-4444
Source: Dmand AI Affiliation Data
Dr. Ty Chun is affiliated with 1 site of care and 2 medical groups
Dr. Chun's primary practice is Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems. The medical group on file is Queen's North Hawai'i Community Hospital. Dmand AI also links Dr. Chun to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ty Chun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chun practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Queen's North Hawaiʻi Community Hospital | Available with a free account |
| +1 medical group | 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. Ty Chun is one of 142 general surgeons in Hawaii
Surgery is Dr. Chun's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chun is licensed in Washington.
Specialties and state licenses
- Surgery, WashingtonPrimary
General surgeons near Dr. Chun
Counts of general surgeons 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. Ty Chun billed Medicare for 156 services in 2024
CMS data shows 156 Medicare services from Dr. Chun across 7 procedure codes in 2024, for 151 Medicare patients. Medicare paid $10,675 for them.
Dr. Chun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1392024: 12510%
- Surgery
- 2023: 242024: 1921%
- Other services
- 2023: 02024: 12
Where Dr. Chun's Medicare services took place, 2024
- In an office11171%
- In a facility4529%
Dr. Chun compared with the Hawaii median for general surgeons, 2024
- Dr. Chun
- Hawaii median
- Medicare services
- 156vs 11141% above
- Medicare patients
- 151vs 8284% above
- Part D claims
- 39vs 2463% above
Medians across 131 general surgeons in Hawaii with Dmand AI profiles that report each measure.
Dr. Chun'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. Chun and other general surgeons in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ty Chun treated 151 Medicare patients in 2026, average age 73
CMS counts 151 Medicare patients who saw Dr. Chun in 2026. The largest group is 65 to 74, with 93 patients. 71% of them have high cholesterol, and 54% have high blood pressure. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chun's median patient age at 61, with 49% women.
Dr. Chun's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Chun's Medicare patients by sex, 2026
- Women6946%
- Men8254%
Chronic conditions among Dr. Chun's Medicare patients, 2026
- High cholesterol71%
- High blood pressure54%
- Arthritis26%
- Chronic kidney disease21%
- Diabetes19%
- Atrial fibrillation16%
- Cancer15%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Ty Chun wrote 54 Medicare Part D claims in 2026
In 2026, Dr. Chun wrote 54 Medicare Part D claims for 46 patients. 96% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $327 in total drug cost. In 2023, CMS named 41 claims across 2 drugs.
Dr. Chun's Part D claims by kind of drug, 2026
- Generic52 claims96%
- Brand-name and other2 claims4%
Dr. Chun'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. Chun's Part D claims, 2026
- Opioids56%30 of 54 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: 412024: 395%
Drugs named by CMS: 2 in 2024, 2 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), 2026 data
Dr. Ty Chun ranks in the 63rd percentile for colonoscopy in Medicare
Dr. Chun accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of colonoscopy by Dr. Chun, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Chun ranks in Medicare procedure volume
- Colonoscopy
- 63rd percentile48 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 43rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ty Chun received $32 in industry payments from 2017 to 2019
CMS Open Payments shows 2 general payments to Dr. Chun from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $19.
General payments to Dr. Chun by program year, 2017 to 2019
Companies that paid Dr. Chun the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ty Chun graduated from University of Hawaii John A. Burns School of Medicine
Dr. Chun graduated from University of Hawaii John A. Burns School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ty Chun'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)Doctors and Clinicians Utilization Data (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. Ty Chun
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. Ty Chun's NPI number?
Dr. Ty Chun's NPI number is 1659484699. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ty Chun?
Dr. Ty Chun is a general surgeon in Kamuela, Hawaii. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ty Chun practice?
Dr. Chun practices at 67 1125 Mamalahoa Highway, Kamuela, HI 96743. Dr. Chun's primary practice is Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Chun to 1 medical group, and a free account names each one.
What is Dr. Ty Chun's office phone number?
The practice phone on file for Dr. Chun is (808) 885-4444. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Ty Chun's email address?
Dmand AI checks professional and personal email addresses for Dr. Chun through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Ty Chun's medical license number?
Dr. Chun holds Washington license MD00028608.
Which hospitals is Dr. Ty Chun affiliated with?
Dr. Chun practices at Queen's North Hawaiʻi Community Hospital in Kamuela, Hawaii.
What medical group is Dr. Ty Chun part of?
Dr. Chun is linked to Queen's North Hawai'i Community Hospital. Dmand AI links Dr. Chun to 1 more medical group, named with a free account.
Who does Dr. Ty Chun practice with?
Dmand AI links 58 HCPs to Dr. Chun's primary medical group, 2 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Ty Chun accept Medicare?
Yes. CMS data shows Dr. Chun billed Medicare for 156 services in 2024, and Dr. Chun accepts Medicare assignment.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Ty Chun see?
CMS counts 151 Medicare patients who saw Dr. Chun in 2026, with an average age of 73.
What services does Dr. Ty Chun bill to Medicare?
In 2024, Dr. Chun's most billed Medicare services were office visit, new patient (99202), office visit, established patient (99212) and office visit, established patient (99213).
Where did Dr. Ty Chun go to medical school?
Dr. Chun graduated from University of Hawaii John A. Burns School of Medicine in 1986.
What drugs does Dr. Ty Chun prescribe most?
In 2024 Medicare Part D data, Dr. Chun's most prescribed drugs by claims were Oxycodone HCl and Peg 3350-Electrolyte.
Has Dr. Ty Chun received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Chun from 2 companies from 2017 to 2019. The largest total came from Ethicon Inc.
How long has Dr. Ty Chun been practicing?
Dr. Chun graduated from medical school in 1986, 40 years ago.
What EHR does Dr. Ty Chun's practice use?
Dmand AI tracks the EHR system at Queen's North Hawaiʻi Community Hospital and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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