Ryan Christian Guillory, D.O.

NPI 1083153423ActiveIndividual· Internal Medicine· Athens, OH

Internal Medicine (D.O.) in Athens, Ohio, trained at William Carey University College of Osteopathic Medicine (class of 2017). In 2024 Medicare paid $65,474 for 293 patients, and Part D covered 698 of their prescriptions, 89% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $75.86 in all, mostly food and beverage.

Overview

NPI	1083153423
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Feb 17, 2017
Last updated in NPPES	Sep 20, 2021
Certified by provider	Sep 20, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	34.014146	OH

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 - Internal Medicine (OH)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	293
Services billed	788 across 31 procedure codes
Paid by Medicare	$65,474

Part D prescriptions in 2024

Prescriptions (claims)	698 · 733 30-day fills
Patients	260
Total drug cost	$32,896
Generic share	89% of claims

Medicare sources and data years

Education and affiliations

Medical school	William Carey University College of Osteopathic Medicine
Graduation year	2017
Medicare specialty	Internal Medicine
Secondary specialties	Emergency Medicine