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ROY M MATSUYAMA M.D.
NPI 1144356783
Internal Medicine - Gastroenterology in Kahului, HI

Active since February 26, 2007PECOS EnrolledAccepts Medicare Assignment
173 HOOHANA ST, SUITE 104, KAHULUI, HI 96732(808) 871-7222(808) 871-2222 Get Directions Write a Review

NPPES record last updated: February 3, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Roy M Matsuyama M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROY M MATSUYAMA M.D. (NPI 1144356783) is an individual gastroenterology provider in Kahului, Hawaii, licensed in Hawaii (17851) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Maui Memorial Medical Center, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (1980).

NPPES Registry Identity

NPI1144356783
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameROY M MATSUYAMACredential: M.D.
Location Address173 HOOHANA ST, SUITE 104Kahului, HI 96732-2482
Mailing Address173 Hoohana St, Suite 104Kahului, HI 96732-2482 · (808) 871-7222 · Fax (808) 871-2222
Phone(808) 871-7222
Fax(808) 871-2222
Sole ProprietorYes
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 1980
Enumeration DateFebruary 26, 2007
Last NPPES UpdateFebruary 3, 2015
✔ NPI 1144356783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in HI · 17851
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
173 HOOHANA ST, Kahului, HI 96732
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Roy M Matsuyama M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294712949
PECOS Enrollment IDI20150305000903
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
91 services91 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
78 services78 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
51 services32 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
48 services48 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
46 services46 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
42 services42 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maui Memorial Medical Center

Acute Care Hospitals · Wailuku, HI
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number120002
Location221 Mahalani StreetWailuku, HI 96793 · Maui County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96732 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROY M MATSUYAMA MD LLC
Internal Medicine (Gastroenterology)
173 HOOHANA ST, SUITE 104
KAHULUI, HI 96732
Maui County (808) 871-7222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Roy Matsuyama's NPI number?

The NPI number for Roy Matsuyama is 1144356783. It was assigned to this individual provider in the NPPES registry on February 26, 2007.

Where is Roy Matsuyama located?

Roy Matsuyama practices at 173 Hoohana St Suite 104, Kahului, HI 96732. The listed phone number is (808) 871-7222.

What is Roy Matsuyama's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Roy Matsuyama enrolled in Medicare?

Yes. Roy Matsuyama is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Roy Matsuyama affiliated with any hospitals?

According to CMS data, Roy Matsuyama is affiliated with Maui Memorial Medical Center.

When was this NPI record last updated?

The NPPES record for Roy Matsuyama was last updated on February 3, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.