Cynthia Shiloh Ryan, MD

NPI 1154376804ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Midlothian, VA

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Midlothian, Virginia, trained at Texas Tech University Health Science Center School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,595,082 for 4,011 claims, against $237,591 paid for services in 2024. Amgen Inc. reported $72.15 in payments in 2024, mostly food and beverage.

Overview

NPI	1154376804
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	May 23, 2006
Last updated in NPPES	Aug 19, 2008

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	0101235445	VA

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 - Endocrinology (VA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	373
Services billed	13,796 across 51 procedure codes
Paid by Medicare	$237,591

Part D prescriptions in 2024

Prescriptions (claims)	4,011 · 10,074 30-day fills
Patients	379
Total drug cost	$1,595,082
Generic share	49% of claims

Medicare sources and data years

Education and affiliations

Medical school	Texas Tech University Health Science Center School of Medicine
Graduation year	2001
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth