Doctor Profile

Gastroenterology · Gastroenterology

Mark A. Morisaki

MD · Gastroenterology
98 -1247 KAAHUMANU ST
SUITE 115
Aiea, HI 96701
✓ Accepts Medicare 🎓 34+ Years Practicing
609
Medicare Patients / yr
8
Procedures Billed
34
Years Practicing
3
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Mark A. Morisaki's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Morisaki

See which plans Dr. Morisaki accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Hawaii, the fastest way to find a Medicare plan that covers Dr. Morisaki is to compare every Medicare Advantage and Part D plan available near 96701, HI — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 96701, HI →

Or call the office at (808) 488-2224 to confirm acceptance directly.

What Dr. Morisaki Does

Dr. Morisaki served 609 Medicare patients across 628 services in the latest CMS reporting year. That's 25% above the average Gastroenterology in Hawaii (485 patients across 55 doctors).

ProcedureServicesMedicare Patients
Biopsy of large bowel using a flexible endoscope (45380)167165
New patient office or other outpatient visit, 30-44 minutes (99203)120120
Established patient office or other outpatient visit, 20-29 minutes (99213)9483
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)9089
New patient office or other outpatient visit, 45-59 minutes (99204)6565

How to read this: "Services" are the total times Dr. Morisaki billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Morisaki is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Kuakini Medical Center

Honolulu, HI
★★★★☆ 4/5 CMS Rating

Pali Momi Medical Center

Aiea, HI
★★★★☆ 4/5 CMS Rating

The Queens Medical Center

Honolulu, HI
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Morisaki practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Morisaki offers telehealth — broadband availability at your home matters for virtual visits.

Address: 98 -1247 KAAHUMANU ST, SUITE 115, Aiea, HI 96701
Phone: (808) 488-2224

Area Safety Grade

B

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 min

Average commute time in this zip · 83% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

86.9423

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Gastroenterology Doctors near 96701, HI

If Dr. Morisaki isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 96701, HI:

DoctorSpecialtyMedicare Patients / yrDistance
Aaron J. SmallGastroenterology193<1 mi
Yousif I. ArahimGastroenterology343<1 mi
Darrell J. LeeGastroenterology811<1 mi
Kenneth S. HongGastroenterology2.8 mi
Daryl T. FujiwaraGastroenterology2.8 mi

View all gastroenterology doctors near 96701, HI →

How to Use This Information

Choosing a Medicare plan that covers Dr. Morisaki takes three steps:

Compare Medicare Plans near 96701, HI → All Doctors near 96701, HI

Mark A. Morisaki: Common Questions

Does Dr. Morisaki accept Medicare?
Yes. Dr. Morisaki is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Morisaki depends on that plan's provider network. Compare Medicare plans near 96701, HI →
Where is Dr. Morisaki's office?
Dr. Morisaki practices at 98 -1247 KAAHUMANU ST, SUITE 115, Aiea, HI 96701. Phone: (808) 488-2224.
What Medicare plans does Dr. Morisaki accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (808) 488-2224 to confirm your specific plan is accepted, or compare all Medicare plans near 96701, HI to see available options.
Does Dr. Morisaki offer telehealth visits?
CMS does not currently list Dr. Morisaki as offering telehealth. Call the office at (808) 488-2224 to confirm whether virtual visits are available.
How experienced is Dr. Morisaki?
Dr. Morisaki graduated in 1992 and has been practicing for approximately 34 years. In the latest CMS reporting year, Dr. Morisaki treated 609 Medicare patients across 8 distinct procedure types.
How do I know if Dr. Morisaki is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (808) 488-2224 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 96701, HI:

Does your Medicare plan cover Dr. Morisaki?

Compare Plans near 96701, HI →