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Andrew Colby Loff, D.O.

NPI 1437564994ActiveIndividual· Emergency Medicine· Norman, OK

Emergency Medicine (D.O.) with Houston County Healthcare Authority, practicing in Norman, Oklahoma. 424 Medicare patients in 2024, $47,341 paid; nearly all of their 420 Part D prescriptions were generic (94%). E.R. Squibb & Sons, L.L.C. reported $31.00 in payments in 2025, mostly food and beverage. Lists Southeast Health Medical Center as a hospital affiliation.

Overview

NPI1437564994
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedJun 24, 2014
Last updated in NPPESJan 29, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X5770OK

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 (AL); Practitioner - Emergency Medicine (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients424
Services billed480 across 20 procedure codes
Paid by Medicare$47,341

Part D prescriptions in 2024

Prescriptions (claims)420 · 421 30-day fills
Patients240
Total drug cost$5,674
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Graduation year2014
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$31.00 · 2 payments from 1 company
  • 2024$42.29 · 2 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
E.R. Squibb & Sons, L.L.C.$31.002

What the 2025 payments were for

  • Food and Beverage$31.00 · 2 payments

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

Other emergency medicine physicians in Norman

All 74 emergency medicine physicians in Norman · All emergency medicine physicians in Oklahoma