Gary Raymond Denny, D.O.

NPI 1558393637ActiveIndividual· Internal Medicine, Addiction Medicine· Tulsa, OK

Internal Medicine, Addiction Medicine (D.O.) in Tulsa, Oklahoma, trained at Oklahoma State University College of Osteopathic Medicine (class of 1989). Part D covered 451 prescriptions written in 2024, 95% of them generic.

Overview

NPI	1558393637
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Jul 7, 2006
Last updated in NPPES	Mar 29, 2022
Certified by provider	Mar 29, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Addiction Medicine Primary	207RA0401X	2858	OK
Orthopaedic Surgery	207X00000X	2858	OK

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 - Orthopedic Surgery (OK)

Part D prescriptions in 2024

Prescriptions (claims)	451 · 470 30-day fills
Patients	35
Total drug cost	$48,100
Generic share	95% of claims

Medicare sources and data years

Education and affiliations

Medical school	Oklahoma State University College of Osteopathic Medicine
Graduation year	1989
Medicare specialty	Orthopedic Surgery
Secondary specialties	Addiction Medicine

Medical group

Oklahoma State UniversityTulsa, OK · 108 clinicians

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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