Kathrin Josefine Allen, MD

NPI 1598891970ActiveIndividual· Anesthesiology· Boston, MA

Anesthesiology (MD) in Boston, Massachusetts, trained at George Washington University School of Medicine (class of 2003). Medicare paid $28,428 for services to 175 patients in 2024. Merck Sharp & Dohme LLC reported $18.09 in payments in 2024, mostly education.

Overview

NPI	1598891970
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Feb 27, 2007
Last updated in NPPES	Jul 8, 2007

Specialties and licenses

Taxonomy	Code	License	State
Anesthesiology Primary	207L00000X	L-222722	MA

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 - Anesthesiology (WV)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	175
Services billed	252 across 54 procedure codes
Paid by Medicare	$28,428

Medicare sources and data years

Education and affiliations

Medical school	George Washington University School of Medicine
Graduation year	2003
Medicare specialty	Anesthesiology
Secondary specialties	Critical Care (Intensivists)