Nathan Oh, D.O.

NPI 1992115778ActiveIndividual· Neurological Surgery· Ventura, CA

Neurological Surgery (D.O.) in Ventura, California, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2014). Mostly services rather than prescriptions: Medicare paid $52,611 for 173 patients in 2024, with only 26 Part D claims. Brainlab, Inc. was the largest of 4 companies reporting payments in 2025, $1,560 in all, mostly honoraria.

Overview

NPI	1992115778
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	May 2, 2014
Last updated in NPPES	Jul 17, 2023
Certified by provider	Jul 17, 2023

Specialties and licenses

Taxonomy	Code	License	State
Neurological Surgery Primary	207T00000X	20A14440	CA

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 - Neurosurgery (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	173
Services billed	328 across 38 procedure codes
Paid by Medicare	$52,611

Part D prescriptions in 2024

Prescriptions (claims)	26 · 30 30-day fills
Patients	14
Total drug cost	$447.23
Generic share	100% of claims

Medicare sources and data years

Education and affiliations

Medical school	Des Moines University of Osteopathic Medicine and Health Sciences
Graduation year	2014
Medicare specialty	Neurosurgery
Telehealth	Offers telehealth