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Gregory Tennant, D.O.

NPI 1073581385ActiveIndividual· Orthopaedic Surgery· Lancaster, CA

Orthopaedic Surgery (D.O.) with Avors Medical Group, practicing in Lancaster, California. 171 Medicare patients in 2024, $94,439 paid; all of their 331 Part D prescriptions were generic. Maxx Health Inc was the largest of 3 companies reporting payments in 2025, $4,540 in all, mostly consulting fees. Lists Antelope Valley Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1073581385
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedMar 10, 2006
Last updated in NPPESAug 10, 2023
Certified by providerAug 10, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000X20A9121CA

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 - Orthopedic Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients171
Services billed1,269 across 107 procedure codes
Paid by Medicare$94,439

Part D prescriptions in 2024

Prescriptions (claims)331 · 333 30-day fills
Patients163
Total drug cost$2,586
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Graduation year1999
Medicare specialtyOrthopedic Surgery

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,540 · 4 payments from 3 companies
  • 2024$118.87 · 6 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Maxx Health Inc$4,5002
Medtronic, Inc.$20.841
Stryker Corporation$18.771

What the 2025 payments were for

  • Consulting Fee$4,500 · 2 payments
  • Food and Beverage$39.61 · 2 payments

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

Other Orthopaedic Surgery providers in Lancaster

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