John D. Nicolas, MD
NPI 1417940917ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (MD) in Chicago, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $413,513 for 6,364 claims, against $165,748 paid for services in 2024. Boston Scientific Corporation reported $28.78 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1417940917 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | May 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036077725 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 473 |
|---|---|
| Services billed | 1,838 across 31 procedure codes |
| Paid by Medicare | $165,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,364 · 16,686 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $413,513 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Elara CaringHome health agency · Des Plaines, IL
Industry payments (Open Payments)
- 2024$28.78 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $28.78 | 1 |
What the 2024 payments were for
- Food and Beverage$28.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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