Emily Katherine Ackerman, M.D.

NPI 1861887945ActiveIndividual· Psychiatry & Neurology, Psychiatry· Ventura, CA

Psychiatry & Neurology, Psychiatry (M.D.) in Ventura, California, trained at University of California, Irvine, California College of Medicine (class of 2015). 37 Medicare patients in 2024, $16,175 paid; nearly all of their 443 Part D prescriptions were generic (99%). Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $83.86 in all, mostly food and beverage.

Overview

NPI	1861887945
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 5, 2015
Last updated in NPPES	Apr 11, 2025
Certified by provider	Apr 11, 2025

Specialties and licenses

Taxonomy	Code	License	State
Psychiatry & Neurology, Psychiatry Primary	2084P0800X	A146938	CA

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 - Psychiatry (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	37
Services billed	174 across 9 procedure codes
Paid by Medicare	$16,175

Part D prescriptions in 2024

Prescriptions (claims)	443 · 636 30-day fills
Patients	73
Total drug cost	$19,127
Generic share	99% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Irvine, California College of Medicine
Graduation year	2015
Medicare specialty	Psychiatry
Telehealth	Offers telehealth