Mark R. Allee, MD

NPI 1255309597ActiveIndividual· Internal Medicine· Oklahoma City, OK

Internal Medicine (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $612,649 for 3,461 claims, against $44,620 paid for services in 2024.

Overview

NPI	1255309597
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 11, 2006
Last updated in NPPES	Jan 18, 2011

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	18921	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 - Internal Medicine (OK)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	213
Services billed	678 across 23 procedure codes
Paid by Medicare	$44,620

Part D prescriptions in 2024

Prescriptions (claims)	3,461 · 7,797 30-day fills
Patients	230
Total drug cost	$612,649
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Oklahoma College of Medicine
Graduation year	1993
Medicare specialty	Internal Medicine

Medical group

Ou Health Partners IncOklahoma City, OK · 1,184 clinicians

Hospital affiliation

O U Medical CenterOklahoma City, OK

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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