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Patrick Carl Grayson, MD

NPI 1720029275ActiveIndividual· Emergency Medicine· Chattanooga, TN

Emergency Medicine (MD) in Chattanooga, Tennessee, trained at East Tennessee State University Quillen College of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $33,023 for 589 claims, against $15,776 paid for services in 2024.

Overview

NPI1720029275
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 8, 2006
Last updated in NPPESMay 22, 2025
Certified by providerMay 22, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X36478TN
Family Medicine207Q00000X36478TN
Family Medicine207Q00000XMD.13301RLA

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 (LA); Practitioner - Family Practice (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients113
Services billed246 across 11 procedure codes
Paid by Medicare$15,776

Part D prescriptions in 2024

Prescriptions (claims)589 · 607 30-day fills
Patients176
Total drug cost$33,023
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolEast Tennessee State University Quillen College of Medicine
Graduation year1996
Medicare specialtyEmergency Medicine

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 Chattanooga

All 132 emergency medicine physicians in Chattanooga · All emergency medicine physicians in Tennessee