Rachel J. Cook, M.D.

NPI 1598735748ActiveIndividual· Internal Medicine, Hematology· Portland, OR

Internal Medicine, Hematology (M.D.) in Portland, Oregon, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,125,541 for 1,282 claims, against $37,940 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $54.82 in payments in 2025, mostly food and beverage.

Overview

NPI	1598735748
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 23, 2006
Last updated in NPPES	Oct 18, 2013

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology Primary	207RH0000X	165060	OR
Internal Medicine, Medical Oncology	207RX0202X	165060	OR

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Hematology/Oncology (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	80
Services billed	500 across 15 procedure codes
Paid by Medicare	$37,940

Part D prescriptions in 2024

Prescriptions (claims)	1,282 · 1,733 30-day fills
Patients	62
Total drug cost	$2,125,541
Generic share	82% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loyola University of Chicago, Stritch School of Medicine
Graduation year	2002
Medicare specialty	Hematology/Oncology
Secondary specialties	Internal Medicine, Medical Oncology
Telehealth	Offers telehealth