Mark A. Morisaki, MD
Gastroenterology Physician · Honolulu, HI
Mark A. Morisaki, MD is a gastroenterology physician with a practice address in Honolulu, Hawaii, and NPI 1861441909, issued on May 8, 2006. Check the license (Hawaii 11904, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark A. Morisaki
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 11904 HI
Self-reported in NPPES; status is on the state search - Practice location
- 405 N Kuakini St Ste 1003, Honolulu, HI 96817
- Phone
- (808) 778-9196
- Enumerated
- May 8, 2006
- Record last updated
- Aug 26, 2025
- Medicaid ID
- 526907 HI
- Medicare enrollment
- Enrolled (PECOS I20070430000157); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 81 in Hawaii → Look up another NPI →
Verify Mark A. Morisaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 11904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average gastroenterology physician in 2024
482 Medicare Part D claims for 390 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-G240 claims
- Gavilyte-C104 claims
- Omeprazole36 claims
- Mesalamine27 claims
- Peg-3350 And Electrolytes19 claims
- Peg 3350-Electrolyte15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $23.98
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark A. Morisaki among 81 gastroenterology physician records in Hawaii
Mark A. Morisaki, MD is one of 81 gastroenterology physician records with a practice address in Hawaii. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 40% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1992 · median 1999 among the 56 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Hawaii
There are 81 gastroenterology physician records in Hawaii.
All 81 in Hawaii → Every provider in Honolulu → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ankur Jain, MDHonolulu, HI 968171306866207
- Shilpa Jain, MDHonolulu, HI 968171982840195
- Eugene Kamemoto, MDHonolulu, HI 968171821082736
- Donn Marutani, MDHonolulu, HI 968171952479578
- Warren Ono, MDHonolulu, HI 968171093751166
- Ronald Pang, MDHonolulu, HI 968171801996673
- Glenn Pang, MDHonolulu, HI 968171043307754
- Neal Shimoda, MDHonolulu, HI 968171326024852
Common questions
What is Mark A. Morisaki, MD's NPI number?
Mark A. Morisaki, MD's National Provider Identifier (NPI) is 1861441909, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Morisaki, MD located?
The NPPES record lists a practice address at 405 N Kuakini St Ste 1003, Honolulu, HI, 96817. Phone: (808) 778-9196. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Morisaki, MD's license?
NPPES lists Hawaii license number 11904, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Morisaki, MD prescribe under Medicare Part D?
In 2024, Mark A. Morisaki, MD had 482 Medicare Part D claims for 390 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mark A. Morisaki, MD's MIPS final score?
The 2023 MIPS final score is 30 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.