Anne Peiffer, MD

NPI 1013411206ActiveIndividual· Obstetrics & Gynecology· Evanston, IL

Obstetrics & Gynecology (MD) in Evanston, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2018). Mostly services rather than prescriptions: Medicare paid $2,931 for 35 patients in 2024, with only 44 Part D claims. Organon LLC reported $13.38 in payments in 2025, mostly food and beverage.

Overview

NPI	1013411206
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 21, 2018
Last updated in NPPES	Feb 27, 2023
Certified by provider	Feb 27, 2023

Specialties and licenses

Taxonomy	Code	License	State
Obstetrics & Gynecology Primary	207V00000X	036159955	IL
Obstetrics & Gynecology	207V00000X	125.072976	IL
Hospitalist	208M00000X	036159955	IL
Student in an Organized Health Care Education/Training Program	390200000X	—	IL

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 - Hospitalist (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	35
Services billed	46 across 17 procedure codes
Paid by Medicare	$2,931

Part D prescriptions in 2024

Prescriptions (claims)	44 · 72 30-day fills
Patients	22
Total drug cost	$2,006
Generic share	98% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loyola University of Chicago, Stritch School of Medicine
Graduation year	2018
Medicare specialty	Hospitalist
Secondary specialties	Obstetrics/Gynecology