NPPES file of Aug 9, 2026

Gregory Lamar Primus, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Tinley Park, IL

Gregory Lamar Primus, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Tinley Park, Illinois, and NPI 1295937555, issued on May 31, 2007. Check the license (Illinois 036 118611, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295937555
Name
Gregory Lamar Primus
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
036 118611 IL
Self-reported in NPPES; status is on the state search
Practice location
7543 183RD St, Tinley Park, IL 60477
Phone
(708) 263-2000
Enumerated
May 31, 2007
Record last updated
Feb 12, 2026
Fax
(708) 263-2023
Medicare enrollment
Enrolled (PECOS I20080119000088); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest sports medicine (orthopaedic surgery) physician records → All 102 in Illinois → Look up another NPI →

Also registered at 7543 183RD St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Coats, M.D.Orthopaedic Hand Surgery Physician1861460081
  2. Vincent Parisi, PT, DPTPhysical Therapist1649881632
  3. Ravi ShahSports Medicine (Family Medicine) Physician1326579103
  4. Alyssa Stevens, PTAPhysical Therapy Assistant1225770514

Verify Gregory Lamar Primus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036 118611    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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1% more Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

290 Medicare Part D claims for 98 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. 130 claims were for opioids.

  1. Gregory Primus290
  2. Specialty average288

Most prescribed

  1. Ondansetron Hcl52 claims
  2. Oxycodone Hcl52 claims
  3. Acetaminophen-Codeine37 claims
  4. Tramadol Hcl32 claims
  5. Omeprazole26 claims
  6. Amoxicillin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $2,835.16

32 payments; by number, the most common kind was food and beverage; the largest payer was Lightbody Medical Technologies Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Primus$2,835
  2. Specialty average$19,779

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Primus Orthopedics SCTinley Park, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory Lamar Primus among 102 sports medicine (orthopaedic surgery) physician records in Illinois

Gregory Lamar Primus, M.D. is one of 102 sports medicine (orthopaedic surgery) physician records with a practice address in Illinois. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 47% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2001 · median 2003 among the 86 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in Illinois

There are 102 sports medicine (orthopaedic surgery) physician records in Illinois.

All 102 in Illinois → Every provider in Tinley Park → Sports Medicine (Orthopaedic Surgery) Physician nationwide →

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Blair Rhode, M.D.Orland Park, IL 604671740473081
  2. Adam Meisel, M.D.Palos Hills, IL 604651184858326
  3. Henry Fuentes, M.D.Palos Heights, IL 604631043218050
  4. Nirav Shah, MDPalos Heights, IL 604631770733354
  5. James Leonard, MDOak Lawn, IL 604531710154331
  6. Steven Marciniak, MDAurora, IL 605041205813813
  7. Nicholas Ramos, M.D.Downers Grove, IL 605151386080802
  8. Zahab Ahsan, MDWoodridge, IL 605171629497045

Common questions

What is Gregory Lamar Primus, M.D.'s NPI number?

Gregory Lamar Primus, M.D.'s National Provider Identifier (NPI) is 1295937555, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Lamar Primus, M.D. located?

The NPPES record lists a practice address at 7543 183RD St, Tinley Park, IL, 60477. Phone: (708) 263-2000. Providers update this record themselves, so call before visiting.

How can I verify Gregory Lamar Primus, M.D.'s license?

NPPES lists Illinois license number 036 118611, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Lamar Primus, M.D. prescribe under Medicare Part D?

In 2024, Gregory Lamar Primus, M.D. had 290 Medicare Part D claims for 98 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.