Dr. Matthew M. Tsushima, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 531
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 3288 Moanalua Rd, Honolulu, HI 96819
- Practice phone
- Call (808) 432-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tsushima'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. Matthew M. Tsushima is a gastroenterologist in Honolulu, Hawaii
Dr. Tsushima practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.
Dr. Tsushima's NPI, 1619166923, was assigned on October 23, 2007. Dr. Tsushima graduated from University of Hawaii John A. Burns School of Medicine in 2002. Dr. Tsushima holds Hawaii license MD-13222.
- NPI
- 1619166923NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921023987
- NPI enumeration date
- October 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 432-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew M. Tsushima practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii
Dr. Tsushima's primary practice is Kaiser Permanente Moanalua Medical Center, at 3288 Moanalua Rd, Honolulu, HI 96819 in Honolulu County. The practice phone is (808) 432-0000.
- Kaiser Permanente Moanalua Medical Center3288 Moanalua Rd, Honolulu, HI 96819 · Honolulu CountyPhone(808) 432-0000
Source: Dmand AI Affiliation Data
Dr. Matthew M. Tsushima is affiliated with 2 sites of care and 1 medical group
Dr. Tsushima's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. The medical group on file is Hawaii Permanente Medical Group (HPMG). Dmand AI also links Dr. Tsushima 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. Matthew M. Tsushima's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsushima practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Moanalua Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew M. Tsushima is one of 76 gastroenterologists in Hawaii
Gastroenterology is Dr. Tsushima's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Tsushima is licensed in Hawaii.
Specialties and state licenses
- Gastroenterology, HawaiiPrimary
Gastroenterologists near Dr. Tsushima
Counts of gastroenterologists 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. Matthew M. Tsushima billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Tsushima across 1 procedure code in 2024, for 36 Medicare patients. Medicare paid $1,159 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tsushima's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 02024: 12
- Surgery
- 2023: 132024: 0100%
Dr. Tsushima compared with the Hawaii median for gastroenterologists, 2024
- Dr. Tsushima
- Hawaii median
- Medicare services
- 12vs 30196% below
- Medicare patients
- 36vs 17079% below
- Part D claims
- 419vs 30040% above
Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Tsushima'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. Tsushima and other gastroenterologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew M. Tsushima treated 36 Medicare patients in 2024, average age 69
CMS counts 36 Medicare patients who saw Dr. Tsushima in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsushima's median patient age at 55, with 57% women.
Dr. Tsushima's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tsushima's Medicare patients by sex, 2024
- Women1336%
- Men2364%
Chronic conditions among Dr. Tsushima's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Diabetes50%
- Chronic kidney disease44%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsushima'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew M. Tsushima wrote 531 Medicare Part D claims in 2024
In 2024, Dr. Tsushima wrote 531 Medicare Part D claims for 292 patients. 91% of them were for generic drugs. CMS names the drug for 419 of them, across 9 drugs with 11 or more claims each, at $23,739 in total drug cost. In 2023, CMS named 438 claims across 7 drugs.
Dr. Tsushima's Part D claims by kind of drug, 2024
- Generic483 claims91%
- Brand-name48 claims9%
Dr. Tsushima'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. Tsushima's Part D claims, 2024
- Antibiotics5%26 of 531 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: 4382024: 4194%
Drugs named by CMS: 9 in 2024, 7 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. Matthew M. Tsushima offers telehealth to Medicare patients
Dr. Tsushima accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsushima as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Matthew M. Tsushima has 1 publication on record
Dmand AI links 1 paper to Dr. Tsushima in 2012. Dr. Tsushima's most frequent co-authors are Nelson Lim, MD and Michel H. Mendler, MD.
Dr. Tsushima's most frequent co-authors
Recent publications by Dr. Tsushima
See who Dr. Tsushima researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsushima works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew M. Tsushima received $113 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Tsushima from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $113.
Companies that paid Dr. Tsushima the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew M. Tsushima graduated from University of Hawaii John A. Burns School of Medicine
Dr. Tsushima graduated from University of Hawaii John A. Burns School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew M. Tsushima'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) |
| 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) |
| 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. Matthew M. Tsushima
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. Matthew M. Tsushima's NPI number?
Dr. Matthew M. Tsushima's NPI number is 1619166923. It was assigned on October 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew M. Tsushima?
Dr. Matthew M. Tsushima is a gastroenterologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Matthew M. Tsushima practice?
Dr. Tsushima practices at 3288 Moanalua Rd, Honolulu, HI 96819. Dr. Tsushima's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. Dmand AI also links Dr. Tsushima to 1 group practice or clinic.
What is Dr. Matthew M. Tsushima's office phone number?
The practice phone on file for Dr. Tsushima is (808) 432-0000.
What is Dr. Matthew M. Tsushima's medical license number?
Dr. Tsushima holds Hawaii license MD-13222.
Which hospitals is Dr. Matthew M. Tsushima affiliated with?
Dr. Tsushima practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii.
What medical group is Dr. Matthew M. Tsushima part of?
Dr. Tsushima is linked to Hawaii Permanente Medical Group (HPMG).
Does Dr. Matthew M. Tsushima accept Medicare?
Yes. CMS data shows Dr. Tsushima billed Medicare for 12 services in 2024, and Dr. Tsushima accepts Medicare assignment.
Does Dr. Matthew M. Tsushima offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tsushima as offering telehealth services.
How many Medicare patients does Dr. Matthew M. Tsushima see?
CMS counts 36 Medicare patients who saw Dr. Tsushima in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
What services does Dr. Matthew M. Tsushima bill to Medicare?
In 2024, Dr. Tsushima's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Matthew M. Tsushima go to medical school?
Dr. Tsushima graduated from University of Hawaii John A. Burns School of Medicine in 2002.
What drugs does Dr. Matthew M. Tsushima prescribe most?
In 2024 Medicare Part D data, Dr. Tsushima's most prescribed drugs by claims were Gavilyte-C, Pantoprazole Sodium and Balsalazide Disodium.
Has Dr. Matthew M. Tsushima received payments from drug or device companies?
CMS Open Payments shows $113 in general payments to Dr. Tsushima from 1 company from 2016 to 2016. The largest total came from Boston Scientific Corporation.
How long has Dr. Matthew M. Tsushima been practicing?
Dr. Tsushima graduated from medical school in 2002, 24 years ago.
Does Dr. Matthew M. Tsushima do research?
Dmand AI links 1 publication to Dr. Tsushima.
Who does Dr. Matthew M. Tsushima publish with?
Dr. Tsushima's most frequent co-authors are Nelson Lim, MD (1 shared paper) and Michel H. Mendler, MD (1 shared paper).
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