Christopher David Merifield, MD

NPI 1811978976ActiveIndividual· Anesthesiology, Pain Medicine· Seattle, WA

Anesthesiology, Pain Medicine (MD) in Seattle, Washington, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $218,934 for 2,552 claims, against $53,218 paid for services in 2024. Globus Medical, Inc. reported $280.98 in payments in 2025, mostly food and beverage.

Overview

NPI	1811978976
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	Yes
NPI issued	Nov 7, 2005
Last updated in NPPES	Jun 28, 2018

Specialties and licenses

Taxonomy	Code	License	State
Anesthesiology, Pain Medicine Primary	207LP2900X	MD00040503	WA
Pain Medicine, Interventional Pain Medicine	208VP0014X	MD00040503	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 - Interventional Pain Management (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	176
Services billed	1,007 across 35 procedure codes
Paid by Medicare	$53,218

Part D prescriptions in 2024

Prescriptions (claims)	2,552 · 2,788 30-day fills
Patients	262
Total drug cost	$218,934
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Kansas School of Med (Kc/Wich/Sal)
Graduation year	1987
Medicare specialty	Interventional Pain Management
Secondary specialties	Anesthesiology
Telehealth	Offers telehealth