Fraser Colin Mackay, M.D.

NPI 1629330410ActiveIndividual· Emergency Medicine· Burlington, MA

Emergency Medicine (M.D.) in Burlington, Massachusetts, trained at University of Maryland School of Medicine (class of 2012). Mostly services rather than prescriptions: Medicare paid $62,629 for 256 patients in 2024, with only 27 Part D claims. Mindray Ds USA, Inc. was the largest of 2 companies reporting payments in 2025, $307.69 in all, mostly food and beverage.

Overview

NPI	1629330410
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	Yes
NPI issued	Jun 8, 2012
Last updated in NPPES	Jul 21, 2022

Specialties and licenses

Taxonomy	Code	License	State
Emergency Medicine Primary	207P00000X	270652	MA
Internal Medicine, Critical Care Medicine	207RC0200X	270652	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 - Emergency Medicine (MA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	256
Services billed	488 across 26 procedure codes
Paid by Medicare	$62,629

Part D prescriptions in 2024

Prescriptions (claims)	27 · 27 30-day fills
Patients	24
Total drug cost	$473.96
Generic share	85% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Maryland School of Medicine
Graduation year	2012
Medicare specialty	Emergency Medicine
Secondary specialties	Critical Care (Intensivists)