Skip to content

Gregory Lamar Primus, M.D.

NPI 1295937555ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Tinley Park, IL

Orthopaedic Surgery, Sports Medicine (M.D.) in Tinley Park, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 2001). 167 Medicare patients in 2024, $189,190 paid; nearly all of their 290 Part D prescriptions were generic (97%). Arthrex, Inc. was the largest of 9 companies reporting payments in 2025, $2,054 in all, mostly travel and lodging.

Overview

NPI1295937555
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 31, 2007
Last updated in NPPESFeb 12, 2026
Certified by providerSep 15, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery, Sports Medicine Primary207XX0005X036 118611IL

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 (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients167
Services billed6,521 across 70 procedure codes
Paid by Medicare$189,190

Part D prescriptions in 2024

Prescriptions (claims)290 · 302 30-day fills
Patients98
Total drug cost$3,986
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Chicago, Pritzker School of Medicine
Graduation year2001
Medicare specialtyOrthopedic Surgery
Secondary specialtiesSports Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,054 · 19 payments from 9 companies
  • 2024$2,835 · 34 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Travel and Lodging$1,487 · 4 payments
  • Food and Beverage$567.46 · 15 payments

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

Other sports medicine orthopedic surgeons in Tinley Park

All sports medicine orthopedic surgeons in Illinois