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James George Delis, D.O.

NPI 1750393286ActiveIndividual· Family Medicine· Chicago, IL

Family Medicine (D.O.) with Northwestern Medical Faculty Foundation and 1 other group, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $595,028 for 1,976 claims, against $372,002 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $6,091 in all, mostly food and beverage. Lists Elmhurst Memorial Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1750393286
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedAug 13, 2006
Last updated in NPPESSep 19, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X036-091115IL

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 - Family Practice (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,358
Services billed7,200 across 63 procedure codes
Paid by Medicare$372,002

Part D prescriptions in 2024

Prescriptions (claims)1,976 · 2,524 30-day fills
Patients789
Total drug cost$595,028
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Graduation year1992
Medicare specialtyFamily Practice
Secondary specialtiesPreventive Medicine

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$6,091 · 418 payments from 19 companies
  • 2024$6,060 · 461 payments from 20 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$1,04867
Ucb, Inc.$775.3944
Janssen Biotech, Inc.$605.9347
Organon LLC$481.1645
Novartis Pharmaceuticals Corporation$399.0322

What the 2025 payments were for

  • Food and Beverage$6,081 · 417 payments
  • Education$9.65 · 1 payment

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

Other family medicine physicians in Chicago

All 2,040 family medicine physicians in Chicago · All family medicine physicians in Illinois