Othon Wiltz, M.D.

NPI 1174525869ActiveIndividual· Colon & Rectal Surgery· Fairfax, VA

Colon & Rectal Surgery (M.D.) in Fairfax, Virginia, trained at Columbia University College of Physicians and Surgeons (class of 1985). 50 Medicare patients in 2024, $26,651 paid; nearly all of their 92 Part D prescriptions were generic (99%). Merck Sharp & Dohme LLC reported $17.62 in payments in 2025, mostly food and beverage.

Overview

NPI	1174525869
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Aug 11, 2005
Last updated in NPPES	Jul 25, 2017

Specialties and licenses

Taxonomy	Code	License	State
Colon & Rectal Surgery Primary	208C00000X	0101240155	VA
Colon & Rectal Surgery	208C00000X	11687	PR

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 - Colorectal Surgery (Proctology) (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	50
Services billed	130 across 22 procedure codes
Paid by Medicare	$26,651

Part D prescriptions in 2024

Prescriptions (claims)	92 · 96 30-day fills
Patients	42
Total drug cost	$1,074
Generic share	99% of claims

Medicare sources and data years

Education and affiliations

Medical school	Columbia University College of Physicians and Surgeons
Graduation year	1985
Medicare specialty	Colorectal Surgery (Proctology)
Secondary specialties	General Surgery