Skip to content

Grant S. Chavin, MD

NPI 1548284730ActiveIndividual· Specialist· Homewood, IL

Specialist (MD) in Homewood, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2005). 1,375 Medicare patients in 2024, $510,184 paid; nearly all of their 3,056 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $2,180 in all, mostly food and beverage.

Overview

NPI1548284730
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 27, 2006
Last updated in NPPESOct 20, 2026
Certified by providerOct 20, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Specialist Primary174400000X036127701IL

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Urology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,375
Services billed14,337 across 103 procedure codes
Paid by Medicare$510,184

Part D prescriptions in 2024

Prescriptions (claims)3,056 · 6,660 30-day fills
Patients977
Total drug cost$506,115
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year2005
Medicare specialtyUrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,180 · 87 payments from 22 companies
  • 2024$1,862 · 83 payments from 26 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$375.4316
Sumitomo Pharma America, Inc.$355.2618
Endo USA, Inc.$199.4712
Calyxo, Inc.$196.912
Boston Scientific Corporation$183.016

What the 2025 payments were for

  • Food and Beverage$2,095 · 86 payments
  • Education$85.05 · 1 payment

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

Other Specialist providers in Homewood

All Specialist providers in Illinois →