Henry Scott Dinneen, D.O.

NPI 1417247784ActiveIndividual· Internal Medicine, Gastroenterology· Morristown, NJ

Internal Medicine, Gastroenterology (D.O.) in Morristown, New Jersey, trained at University of New England, College of Osteo Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $561,936 for 1,043 claims, against $91,673 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $647.64 in all, mostly food and beverage.

Overview

NPI	1417247784
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Apr 7, 2011
Last updated in NPPES	Mar 13, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	25MB09525600	NJ

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 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (NJ)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	425
Services billed	802 across 42 procedure codes
Paid by Medicare	$91,673

Part D prescriptions in 2024

Prescriptions (claims)	1,043 · 1,924 30-day fills
Patients	291
Total drug cost	$561,936
Generic share	74% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of New England, College of Osteo Medicine
Graduation year	2011
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth