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STEPHEN K. BUTO, MD, INC
NPI 1508100413
Internal Medicine - Gastroenterology in Honolulu, HI

Active since November 15, 2012
1329 LUSITANA ST STE 105, HONOLULU, HI 96813(808) 524-7676(808) 524-3899 Get Directions Write a Review

NPPES record last updated: November 15, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Stephen K. Buto, Md, Inc NPPES

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

STEPHEN K. BUTO, MD, INC (NPI 1508100413) is a healthcare organization registered as a gastroenterology in Honolulu, Hawaii and active in the NPI registry since November 2012. The organization lists Stephen K Buto, President, as its authorized official.

NPPES Registry Identity

NPI1508100413
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameSTEPHEN K. BUTO, MD, INC
Location Address1329 LUSITANA ST STE 105Honolulu, HI 96813-2401
Mailing Address1329 Lusitana St Ste 105Honolulu, HI 96813-2401 · (808) 524-7676 · Fax (808) 524-3899
Phone(808) 524-7676
Fax(808) 524-3899
Organization SubpartNo
Authorized OfficialStephen K ButoPresident · (808) 524-7676
Enumeration DateNovember 15, 2012
✔ NPI 1508100413 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 · 7479
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.
1329 LUSITANA ST STE 105, Honolulu, HI 96813
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen K. Buto, Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Stephen K. Buto, MD, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Stephen Buto, MD
Gastroenterology
NPI 1962486753
1329 LUSITANA ST STE 105
Honolulu, HI 96813
(808) 524-7676
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Stephen K. Buto, MD, Inc's NPI number?

The NPI number for Stephen K. Buto, MD, Inc is 1508100413. It was assigned to this organization in the NPPES registry on November 15, 2012.

Where is Stephen K. Buto, MD, Inc located?

Stephen K. Buto, MD, Inc is located at 1329 Lusitana St Ste 105, Honolulu, HI 96813. The listed phone number is (808) 524-7676.

What is Stephen K. Buto, MD, Inc's specialty?

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

Is Stephen K. Buto, MD, Inc enrolled in Medicare?

Yes. Stephen K. Buto, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Stephen K. Buto, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Stephen K. Buto, MD, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Stephen K. Buto, MD, Inc was last updated on November 15, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.