Milliam L. Kataoka, MD

NPI 1295976504ActiveIndividual· Radiology, Body Imaging· Northampton, MA

Radiology, Body Imaging (MD) with Mass General Brigham Medical Group Western Massachusetts Inc and 1 other group, practicing in Northampton, Massachusetts. Medicare paid $128,515 for services to 1,295 patients in 2024. Lists Baystate Medical Center and 3 other hospitals as hospital affiliations.

Overview

NPI	1295976504
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 16, 2009
Last updated in NPPES	Jan 15, 2018

Specialties and licenses

Taxonomy	Code	License	State
Radiology, Body Imaging Primary	2085B0100X	231317	MA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Diagnostic Radiology (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	1,295
Services billed	2,235 across 99 procedure codes
Paid by Medicare	$128,515

Medicare sources and data years

Education and affiliations

Graduation year	1991
Medicare specialty	Diagnostic Radiology

Medical groups

Mass General Brigham Medical Group Western Massachusetts IncNorthampton, MA · 291 clinicians
Holyoke Medical Center IncHolyoke, MA · 205 clinicians

Hospital affiliations

Baystate Medical CenterSpringfield, MA
Cooley Dickinson Hospital Inc,theNorthampton, MA
Holyoke Medical CenterHolyoke, MA
Mercy Medical CtrSpringfield, MA

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records