Dr. Mark A. Morisaki, MD
- Medicare services, 2024
- 724
- Medicare patients, 2024
- 344
- Part D claims, 2024
- 482
- MIPS score, 2024
- 85
- Hospital affiliations
- 3
- 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. Morisaki'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. Mark A. Morisaki is a gastroenterologist in Honolulu, Hawaii
Dr. Morisaki practices at Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System.
Dr. Morisaki's NPI, 1861441909, was assigned on May 8, 2006. Dr. Morisaki holds Hawaii license 11904.
- NPI
- 1861441909NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537265012
- NPI enumeration date
- May 8, 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
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Morisaki practices at Kuakini Medical Center in Honolulu, Hawaii
Dr. Morisaki'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. Mark A. Morisaki is affiliated with 5 sites of care
Dr. Morisaki's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dr. Morisaki is also affiliated with The Queen's Medical Center. Dmand AI also links Dr. Morisaki to 1 more hospital, 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. Mark A. Morisaki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Morisaki practices, 5 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 |
| +4 more affiliated sites | 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. Mark A. Morisaki is one of 76 gastroenterologists in Hawaii
Gastroenterology is Dr. Morisaki's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Morisaki is licensed in Hawaii.
Specialties and state licenses
- Gastroenterology, HawaiiPrimary
Gastroenterologists near Dr. Morisaki
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. Mark A. Morisaki billed Medicare for 724 services in 2024
CMS data shows 724 Medicare services from Dr. Morisaki across 7 procedure codes in 2024, for 344 Medicare patients. Medicare paid $74,263 for them.
Dr. Morisaki's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3312024: 37212%
- Office and hospital visits
- 2023: 2972024: 35219%
Where Dr. Morisaki's Medicare services took place, 2024
- In an office35249%
- In a facility37251%
Dr. Morisaki compared with the Hawaii median for gastroenterologists, 2024
- Dr. Morisaki
- Hawaii median
- Medicare services
- 724vs 3012.4 times
- Medicare patients
- 344vs 1702.0 times
- Part D claims
- 441vs 30047% above
Medians across 72 gastroenterologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Morisaki'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.
Need commercial claims for Dr. Morisaki?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Morisaki and other gastroenterologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark A. Morisaki treated 344 Medicare patients in 2024, average age 74
CMS counts 344 Medicare patients who saw Dr. Morisaki in 2024. The largest group is 65 to 74, with 170 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Morisaki's median patient age at 70, with 45% women.
Dr. Morisaki's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Morisaki's Medicare patients by sex, 2024
- Women18253%
- Men16247%
Chronic conditions among Dr. Morisaki's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes40%
- Chronic kidney disease33%
- Arthritis29%
- Osteoporosis24%
- Ischemic heart disease18%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Morisaki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark A. Morisaki wrote 482 Medicare Part D claims in 2024
In 2024, Dr. Morisaki wrote 482 Medicare Part D claims for 390 patients. 98% of them were for generic drugs. CMS names the drug for 441 of them, across 6 drugs with 11 or more claims each, at $19,329 in total drug cost. In 2023, CMS named 432 claims across 6 drugs.
Dr. Morisaki's Part D claims by kind of drug, 2024
- Generic474 claims98%
- Brand-name and other8 claims2%
Dr. Morisaki'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. Morisaki's Part D claims, 2024
- Antibiotics3%16 of 482 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: 4322024: 4412%
Drugs named by CMS: 6 in 2024, 6 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. Mark A. Morisaki scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Morisaki for performance year 2024, reported individually. Dr. Morisaki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 359 procedures of colonoscopy by Dr. Morisaki, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Morisaki's MIPS scores, performance year 2024
- 85of 100Final score
- 78.3of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Morisaki ranks in Medicare procedure volume
- Colonoscopy
- 98th percentile359 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 81st percentile122 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark A. Morisaki received $24 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Morisaki from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $24.
Companies that paid Dr. Morisaki the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark A. Morisaki'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) |
| 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. Mark A. Morisaki
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. Mark A. Morisaki's NPI number?
Dr. Mark A. Morisaki's NPI number is 1861441909. It was assigned on May 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Morisaki?
Dr. Mark A. Morisaki is a gastroenterologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mark A. Morisaki practice?
Dr. Morisaki practices at 347 North Kuakini Street, Honolulu, HI 96817. Dr. Morisaki's primary practice is Kuakini Medical Center in Honolulu, Hawaii, part of Kuakini Health System. Dmand AI also links Dr. Morisaki to 1 hospital, 1 physician office and 1 skilled nursing facility.
What is Dr. Mark A. Morisaki's office phone number?
The practice phone on file for Dr. Morisaki is (808) 536-2236.
What is Dr. Mark A. Morisaki's medical license number?
Dr. Morisaki holds Hawaii license 11904.
Which hospitals is Dr. Mark A. Morisaki affiliated with?
Dr. Morisaki practices at Kuakini Medical Center in Honolulu, Hawaii. Dr. Morisaki is also affiliated with The Queen's Medical Center. Dmand AI links Dr. Morisaki to 1 more hospital.
Does Dr. Mark A. Morisaki accept Medicare?
Yes. CMS data shows Dr. Morisaki billed Medicare for 724 services in 2024, and Dr. Morisaki accepts Medicare assignment.
What is Dr. Mark A. Morisaki's MIPS score?
Dr. Morisaki's MIPS final score for performance year 2024 is 85 out of 100, reported individually.
How many Medicare patients does Dr. Mark A. Morisaki see?
CMS counts 344 Medicare patients who saw Dr. Morisaki in 2024, with an average age of 74.
What services does Dr. Mark A. Morisaki bill to Medicare?
In 2024, Dr. Morisaki's most billed Medicare services were surgery: digestive system (45380), office visit, new patient (99203) and office visit, established patient (99213).
Show 3 more questionsShow fewer questions
What drugs does Dr. Mark A. Morisaki prescribe most?
In 2024 Medicare Part D data, Dr. Morisaki's most prescribed drugs by claims were Gavilyte-G, Gavilyte-C and Omeprazole.
Has Dr. Mark A. Morisaki received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Morisaki from 1 company from 2024 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Mark A. Morisaki been practicing?
Dr. Morisaki graduated from medical school in 1992, 34 years ago.
Selling to gastroenterology practices?
See gastroenterologists in Hawaii by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card