Katherine S. Herring, MD

NPI 1154313005ActiveIndividual· Family Medicine· Red Bluff, CA

Family Medicine (MD) in Red Bluff, California, trained at Texas Tech University Health Science Center School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $428,827 for 5,493 claims, against $90,726 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $135.39 in all, mostly food and beverage.

Overview

NPI	1154313005
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 17, 2005
Last updated in NPPES	Apr 24, 2019

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	C157606	CA
Family Medicine	207Q00000X	K6972	TX

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 - Family Practice (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	337
Services billed	1,084 across 38 procedure codes
Paid by Medicare	$90,726

Part D prescriptions in 2024

Prescriptions (claims)	5,493 · 14,153 30-day fills
Patients	575
Total drug cost	$428,827
Generic share	89% of claims

Medicare sources and data years

Education and affiliations

Medical school	Texas Tech University Health Science Center School of Medicine
Graduation year	1997
Medicare specialty	Family Practice
Telehealth	Offers telehealth