Katherine Rollins Black, MD

NPI 1801018122ActiveIndividual· Internal Medicine, Gastroenterology· Portland, OR

Internal Medicine, Gastroenterology (MD) in Portland, Oregon, trained at University of South Carolina School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $670,792 for 1,000 claims, against $80,859 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $66.19 in all, mostly food and beverage.

Overview

NPI	1801018122
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	May 3, 2007
Last updated in NPPES	Mar 21, 2013

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	MD156824	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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	250
Services billed	1,982 across 34 procedure codes
Paid by Medicare	$80,859

Part D prescriptions in 2024

Prescriptions (claims)	1,000 · 1,838 30-day fills
Patients	439
Total drug cost	$670,792
Generic share	76% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of South Carolina School of Medicine
Graduation year	2012
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth