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Randell B. Chapman, M.D.

NPI 1922073055ActiveIndividual· Emergency Medicine· Shawnee, OK

Emergency Medicine (M.D.) in Shawnee, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1983). 504 Medicare patients in 2024, $67,186 paid; nearly all of their 383 Part D prescriptions were generic (93%).

Overview

NPI1922073055
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedFeb 22, 2006
Last updated in NPPESMay 2, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X14857OK
Emergency Medicine207P00000X04-23723KS

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Emergency Medicine (OK)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients504
Services billed730 across 26 procedure codes
Paid by Medicare$67,186

Part D prescriptions in 2024

Prescriptions (claims)383 · 397 30-day fills
Patients266
Total drug cost$5,576
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Oklahoma College of Medicine
Graduation year1983
Medicare specialtyEmergency Medicine
Secondary specialtiesFamily Practice

Medical groups

Hospital affiliations

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

Other emergency medicine physicians in Shawnee

All emergency medicine physicians in Oklahoma