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RONALD T KOBAYASHI MD
NPI 1104975689
Surgery in Tamuning, GU

Active since January 10, 2007PECOS EnrolledAccepts Medicare Assignment
590 SOUTH MARINE CORPS DRIVE, GITC BIULDING STE 211, TAMUNING, GU 96913(671) 649-7588(671) 646-1088 Get Directions Write a Review

NPPES record last updated: February 18, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald T Kobayashi Md NPPES

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

RONALD T KOBAYASHI MD (NPI 1104975689) is an individual surgery provider in Tamuning, Guam, licensed in Guam (M001025) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Guam Memorial Hospital Authority, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1104975689
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameRONALD T KOBAYASHICredential: MD
Location Address590 SOUTH MARINE CORPS DRIVE, GITC BIULDING STE 211Tamuning, GU 96913
Mailing Address590 South Marine Corps Drive, Gitc Biulding Ste 211Tamuning, GU 96913 · (671) 649-7588 · Fax (671) 646-1088
Phone(671) 649-7588
Fax(671) 646-1088
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateJanuary 10, 2007
Last NPPES UpdateFebruary 18, 2014
✔ NPI 1104975689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in GU · M001025
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License M001025 (GU)
590 SOUTH MARINE CORPS DRIVE, Tamuning, GU 96913
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Other Identifiers 1

Medicare UPIN0000BFDBR

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

Ronald T Kobayashi Md 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 ID7911896618
PECOS Enrollment IDI20040622000123
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 6

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services49 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 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.
20 services20 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.
19 services17 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
15 services15 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Guam Memorial Hospital Authority

Acute Care Hospitals · Tamuning, GU
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number650001
Location85O Gov Carlos G Camacho RoadTamuning, GU 96913 · Guam County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96913 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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.

RONALD T. KOBAYASHI & ASSOCIATES, PC
Surgery
590 SOUTH MARINE CORPS DRIVE, STE. 211
TAMUNING, GU 96913
Guam (671) 649-7588

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 Ronald Kobayashi's NPI number?

The NPI number for Ronald Kobayashi is 1104975689. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Ronald Kobayashi located?

Ronald Kobayashi practices at 590 South Marine Corps Drive Gitc Biulding Ste 211, Tamuning, GU 96913. The listed phone number is (671) 649-7588.

What is Ronald Kobayashi's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ronald Kobayashi enrolled in Medicare?

Yes. Ronald Kobayashi 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 Ronald Kobayashi affiliated with any hospitals?

According to CMS data, Ronald Kobayashi is affiliated with Guam Memorial Hospital Authority.

When was this NPI record last updated?

The NPPES record for Ronald Kobayashi was last updated on February 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.