Mark A. Weinreich, MD

NPI 1275685596ActiveIndividual· Internal Medicine, Critical Care Medicine· Seattle, WA

Internal Medicine, Critical Care Medicine (MD) in Seattle, Washington, trained at University of Washington School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $356,769 for 701 claims, against $111,955 paid for services in 2024. Erbe USA Inc reported $18.18 in payments in 2024, mostly food and beverage.

Overview

NPI	1275685596
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 17, 2007
Last updated in NPPES	Jan 29, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Critical Care Medicine Primary	207RC0200X	MD60737701	WA
Internal Medicine	207R00000X	MD60737701	WA
Physical Therapist	225100000X	PT00010168	WA

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 - Pulmonary Disease (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	302
Services billed	1,269 across 41 procedure codes
Paid by Medicare	$111,955

Part D prescriptions in 2024

Prescriptions (claims)	701 · 1,087 30-day fills
Patients	141
Total drug cost	$356,769
Generic share	41% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Washington School of Medicine
Graduation year	2014
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists), Internal Medicine