Dr. Junji Bernard Machi, MD
- Medicare services, 2024
- 284
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 14
- Publications
- 14
- MIPS score, 2024
- 97
- Practice address
- 347 North Kuakini Street, Honolulu, HI 96817
- Practice phone
- Call (808) 536-2236
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Machi'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. Junji Bernard Machi is a general surgeon in Honolulu, Hawaii
Dr. Machi practices at Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System.
Dr. Machi's NPI, 1922011493, was assigned on August 14, 2006. Dr. Machi holds Hawaii license MD9040.
- NPI
- 1922011493NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032110028
- NPI enumeration date
- August 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 536-2236
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Junji Bernard Machi practices at Kuakini Medical Center in Honolulu, Hawaii
Dr. Machi's primary practice is Kuakini Medical Center, at 347 North Kuakini Street, Honolulu, HI 96817 in Honolulu County. The practice phone is (808) 536-2236.
- Kuakini Medical Center347 North Kuakini Street, Honolulu, HI 96817 · Honolulu CountyPhone(808) 536-2236
Source: Dmand AI Affiliation Data
Dr. Junji Bernard Machi is affiliated with 6 sites of care and 3 medical groups
Dr. Machi's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Machi to 3 more group practices and clinics, 2 medical groups, 1 physician office and 1 skilled nursing facility, 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. Junji Bernard Machi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Machi practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kuakini Medical Center | Available with a free account |
| +5 more sites and 2 medical groups | 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 Kuakini Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Junji Bernard Machi is one of 142 general surgeons in Hawaii
Surgery is Dr. Machi's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Machi is licensed in Hawaii.
Specialties and state licenses
- Surgery, HawaiiPrimary
General surgeons near Dr. Machi
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. Junji Bernard Machi billed Medicare for 284 services in 2024
CMS data shows 284 Medicare services from Dr. Machi across 6 procedure codes in 2024, for 112 Medicare patients. Medicare paid $18,826 for them.
Dr. Machi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1522024: 20938%
- Imaging
- 2023: 992024: 7524%
Where Dr. Machi's Medicare services took place, 2024
- In an office16558%
- In a facility11942%
Dr. Machi compared with the Hawaii median for general surgeons, 2024
- Dr. Machi
- Hawaii median
- Medicare services
- 284vs 1112.6 times
- Medicare patients
- 112vs 8237% above
- Part D claims
- 16vs 2433% below
Medians across 131 general surgeons in Hawaii with Dmand AI profiles that report each measure.
Dr. Machi'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. Machi and other general surgeons in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Junji Bernard Machi treated 112 Medicare patients in 2024, average age 79
CMS counts 112 Medicare patients who saw Dr. Machi in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Machi's median patient age at 74, with 37% women.
Dr. Machi's Medicare patients by age, 2024
Dr. Machi's Medicare patients by sex, 2024
- Women6255%
- Men5045%
Chronic conditions among Dr. Machi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes38%
- Chronic kidney disease37%
- Ischemic heart disease37%
- Arthritis36%
- Osteoporosis31%
- Cancer23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Machi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women37%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Junji Bernard Machi wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Machi wrote 14 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $253 in total drug cost. In 2022, CMS named 22 claims across 1 drug.
Dr. Machi'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 222023: 1627%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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. Junji Bernard Machi scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Machi for performance year 2024, reported through an alternative payment model (APM). Dr. Machi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of removal of tissue by Dr. Machi, more than 62% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Machi's MIPS scores, performance year 2024
- 97of 100Final score
- 89.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Machi ranks in Medicare procedure volume
- Removal of tissue
- 62nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Junji Bernard Machi has 14 publications on record
Dmand AI links 14 papers to Dr. Machi, published from 2008 to 2023. 2013 was the busiest year, with 3. The most frequent topics are Imaging, Three-Dimensional, Japan and Lymphatic Metastasis. Dr. Machi has published most often in BMC Med Educ. Dr. Machi's most frequent co-authors are Shigeki Fujitani, MD, Reid B. Adams and Ellen Joyce Hagopian, MD.
Dr. Machi's papers by year, 2008 to 2023
Topics Dr. Machi writes about most
- Imaging, Three-Dimensional
- Japan
- Lymphatic Metastasis
- Lymph Nodes
- Ultrasonography
- Breast Neoplasms
- Colorectal Neoplasms
- Hawaii
Dr. Machi's most frequent co-authors
- Shigeki Fujitani, MD2 shared papers
- Reid B. Adams1 shared paper
- Ellen Joyce Hagopian, MD1 shared paper
Recent publications by Dr. Machi
Asian Pac J Cancer Prev
IEEE Trans Ultrason Ferroelectr Freq Control
IEEE Trans Biomed Eng
See who Dr. Machi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Machi works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Junji Bernard Machi received $13 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Machi from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $13.
Companies that paid Dr. Machi the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Junji Bernard Machi'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Junji Bernard Machi
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. Junji Bernard Machi's NPI number?
Dr. Junji Bernard Machi's NPI number is 1922011493. It was assigned on August 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Junji Bernard Machi?
Dr. Junji Bernard Machi is a general surgeon in Honolulu, Hawaii. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Junji Bernard Machi practice?
Dr. Machi practices at 347 North Kuakini Street, Honolulu, HI 96817. Dr. Machi's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dmand AI also links Dr. Machi to 3 group practices and clinics, 2 medical groups, 1 physician office and 1 skilled nursing facility.
What is Dr. Junji Bernard Machi's office phone number?
The practice phone on file for Dr. Machi is (808) 536-2236.
What is Dr. Junji Bernard Machi's medical license number?
Dr. Machi holds Hawaii license MD9040.
Which hospitals is Dr. Junji Bernard Machi affiliated with?
Dr. Machi practices at Kuakini Medical Center in Honolulu, Hawaii.
What medical group is Dr. Junji Bernard Machi part of?
Dr. Machi is linked to The Queen's Medical Center. Dmand AI links Dr. Machi to 2 more medical groups.
Does Dr. Junji Bernard Machi accept Medicare?
Yes. CMS data shows Dr. Machi billed Medicare for 284 services in 2024, and Dr. Machi accepts Medicare assignment.
What is Dr. Junji Bernard Machi's MIPS score?
Dr. Machi's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Junji Bernard Machi see?
CMS counts 112 Medicare patients who saw Dr. Machi in 2024, with an average age of 79.
Show 6 more questionsShow fewer questions
What services does Dr. Junji Bernard Machi bill to Medicare?
In 2024, Dr. Machi's most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99213) and ultrasound (76705).
What drugs does Dr. Junji Bernard Machi prescribe most?
In 2023 Medicare Part D data, Dr. Machi's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass.
Has Dr. Junji Bernard Machi received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Machi from 1 company from 2017 to 2017. The largest total came from Mallinckrodt LLC.
How long has Dr. Junji Bernard Machi been practicing?
Dr. Machi graduated from medical school in 1977, 49 years ago.
Does Dr. Junji Bernard Machi do research?
Dmand AI links 14 publications to Dr. Machi, published from 2008 to 2023.
Who does Dr. Junji Bernard Machi publish with?
Dr. Machi's most frequent co-authors are Shigeki Fujitani, MD (2 shared papers), Reid B. Adams (1 shared paper) and Ellen Joyce Hagopian, MD (1 shared paper).
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